$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (2024)

Table of Contents
The best prices from Seattle/Tacoma Intl to Washington, D.C. are usually found in February or September, booked 57 days in advance, depart on a Thursday or Wednesday and return on a Tuesday Cheap flight deals from Seattle to Washington, D.C. Cheap Seattle to Washington, D.C. flights in July & August 2024 Seattle to Washington, D.C. 2024 flight deals Seattle to Washington, D.C. flights leaving soon One-way flights to Washington, D.C. from Seattle Find flights from Seattle to Washington, D.C. within your budget How far ahead should I book a flight from Seattle to Washington, D.C.? What is the cheapest day to fly from Seattle to Washington, D.C.? Best time to book a flight from Seattle to Washington, D.C. Temperature and rainfall in Washington, D.C. by month Reviews of airlines servicing Washington, D.C. Related info for your journey Browse thousands of different options on Cheapflights for your next trip Alternative routes for Seattle to Washington, D.C.See prices for flight routes from nearby airports that may be better suited for you. Complete your tripComplete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary. Seattle and Washington, D.C. flightsBrowse other Seattle and Washington, D.C. flight options. Last updated on juli 7, 2024. Other flights from SeattleBrowse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on juli 7, 2024. Seattle to Washington, D.C. flightsConsider these flights traveling from Seattle to Washington, D.C.. Other flights to Washington, D.C.Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on juli 7, 2024. Top 8 airlines flying from Seattle to Washington, D.C. Search flights from Seattle to Washington, D.C. by cabin class Hourly flight availability from Seattle to Washington, D.C. Weekly flight availability from Seattle to Washington, D.C. Book a flight to one of these trending destinations References

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This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

SEA — WAS

jul. 12 — jul. 191

From?

To?

fr. 7/12

fr. 7/19

1 adult, Economy

We work with more than 300 partners to bring you better travel deals

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (1)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (2)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (3)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (4)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (5)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (6)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (7)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (8)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (9)

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (10)

The best prices from Seattle/Tacoma Intl to Washington, D.C. are usually found in February or September, booked 57 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated juli 7, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$235

One-way from

$108

High demand for flights, 16% potential price rise

Search Deals

Best time to find cheap flights, 18% potential price drop

Search Deals

From Seattle/Tacoma Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Seattle/Tacoma Intl to Washington, D.C. (WAS)

Search Deals

What is the cheapest day to fly round-trip from Seattle to Washington, D.C.?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 17%.

How far in advance should I book a flight from Seattle to Washington, D.C.?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 58 days in advance, which can save you up to 72% on flights from Seattle to Washington, D.C. compared to booking the week you need them. Waiting 58 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $442. For sooner than that we have options available in the next 3 days from $635.

What is the cheapest month to fly from Seattle to Washington, D.C.?

February is one of the best times of the year to fly to Washington, D.C. from Seattle. Prices for February average $396 per person but you can even find prices for as low as $125. The most expensive prices can be found in the month of June. Opting for a February flight can save you 19% on your journey compared to booking in June

What is the cheapest time of day to fly from SEA to WAS?

When flying from Seattle to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight at noon.

Cheap Seattle to Washington, D.C. flights in July & August 2024

Find cheap flight options from Seattle to Washington, D.C. specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,788,024 searches. Prices were last updated on juli 7, 2024.

Check out some of the best flight deals from Seattle to Washington, D.C. in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (11)

on. 8/79:40 pmSEA - DCA

1 stop11h 29mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (12)

ma. 8/126:59 pmDCA - SEA

1 stop16h 39mFrontier

Deal found 7/7$168

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (13)

on. 8/288:57 pmSEA - DCA

1 stop12h 12mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (14)

sø. 9/17:00 amDCA - SEA

1 stop14h 26mFrontier

Deal found 7/7$180

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (15)

on. 8/288:57 pmSEA - DCA

1 stop12h 12mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (16)

sø. 9/17:00 amDCA - SEA

1 stop14h 26mFrontier

Deal found 7/7$182

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (17)

ti. 8/276:15 pmSEA - DCA

1 stop14h 54mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (18)

sø. 9/17:00 amDCA - SEA

1 stop14h 26mFrontier

Deal found 7/7$184

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (19)

ti. 8/276:15 pmSEA - DCA

1 stop20h 54mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (20)

ti. 9/36:59 pmDCA - SEA

1 stop15h 05mFrontier

Deal found 7/7$185

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (21)

fr. 8/308:58 pmSEA - DCA

1 stop12h 11mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (22)

ma. 9/27:00 amDCA - SEA

1 stop28h 38mFrontier

Deal found 7/7$187

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (23)

ma. 8/199:59 pmSEA - DCA

1 stop11h 10mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (24)

sø. 8/256:59 pmDCA - SEA

1 stop15h 05mFrontier

Deal found 7/7$188

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (25)

ma. 8/199:59 pmSEA - DCA

1 stop11h 10mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (26)

lø. 8/247:00 amDCA - SEA

1 stop15h 02mFrontier

Deal found 7/6$189

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (27)

lø. 8/178:02 pmSEA - DCA

1 stop13h 05mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (28)

on. 8/2112:59 pmDCA - SEA

1 stop9h 58mFrontier

Deal found 7/7$203

Seattle to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,788,024 searches. Data last updated juli 7, 2024.

Check out some of the best flight deals from Seattle to Washington, D.C. in 2024. If these deals don't appeal to you, be sure to come back soon for more options.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (29)

on. 8/79:40 pmSEA - DCA

1 stop11h 29mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (30)

ma. 8/126:59 pmDCA - SEA

1 stop16h 39mFrontier

Deal found 7/7$168

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (31)

fr. 9/2010:08 pmSEA - BWI

1 stop10h 55mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (32)

on. 9/251:03 pmBWI - SEA

1 stop11h 08mFrontier

Deal found 7/7$180

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (33)

on. 8/288:57 pmSEA - DCA

1 stop12h 12mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (34)

sø. 9/17:00 amDCA - SEA

1 stop14h 26mFrontier

Deal found 7/7$180

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (35)

on. 8/288:57 pmSEA - DCA

1 stop12h 12mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (36)

sø. 9/17:00 amDCA - SEA

1 stop14h 26mFrontier

Deal found 7/7$182

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (37)

ti. 8/276:15 pmSEA - DCA

1 stop14h 54mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (38)

sø. 9/17:00 amDCA - SEA

1 stop14h 26mFrontier

Deal found 7/7$184

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (39)

fr. 9/209:37 amSEA - BWI

1 stop23h 26mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (40)

ma. 9/231:03 pmBWI - SEA

1 stop11h 08mFrontier

Deal found 7/7$185

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (41)

ti. 8/276:15 pmSEA - DCA

1 stop20h 54mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (42)

ti. 9/36:59 pmDCA - SEA

1 stop15h 05mFrontier

Deal found 7/7$185

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (43)

ti. 9/36:15 pmSEA - DCA

1 stop14h 54mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (44)

sø. 9/86:59 pmDCA - SEA

1 stop29h 12mFrontier

Deal found 7/7$186

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (45)

fr. 8/308:58 pmSEA - DCA

1 stop12h 11mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (46)

ma. 9/27:00 amDCA - SEA

1 stop28h 38mFrontier

Deal found 7/7$187

Seattle to Washington, D.C. flights leaving soon

Find last-minute flight options from Seattle to Washington, D.C. for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,788,024 searches. Data last updated juli 7, 2024.

Have a look at some of the last-minute flights available departing from Seattle to Washington, D.C.. It's wise to confirm all flight details are correct before booking.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (47)

ti. 7/1610:10 pmSEA - BWI

1 stop12h 25mSpirit Airlines

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (48)

sø. 7/219:57 pmBWI - SEA

1 stop16h 44mSpirit Airlines

Deal found 7/7$265

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (49)

on. 7/178:55 pmSEA - BWI

1 stop13h 30mSpirit Airlines

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (50)

lø. 7/275:31 pmBWI - SEA

2 stops20h 08mSpirit Airlines

Deal found 7/7$267

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (53)

on. 7/178:55 pmSEA - BWI

1 stop13h 30mSpirit Airlines

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (54)

lø. 7/279:20 amBWI - SEA

3 stops18h 15mSpirit Airlines

Deal found 7/7$290

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (55)

ti. 7/1610:10 pmSEA - BWI

1 stop12h 25mSpirit Airlines

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (56)

to. 8/19:45 pmBWI - SEA

2 stops25h 45mSpirit Airlines

Deal found 7/7$295

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (57)

on. 7/178:55 pmSEA - BWI

1 stop13h 30mSpirit Airlines

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (58)

on. 7/242:29 pmBWI - SEA

1 stop13h 06mSpirit Airlines

Deal found 7/7$297

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (59)

lø. 7/135:40 pmSEA - BWI

1 stop14h 35mMultiple Airlines

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (60)

ti. 7/167:20 pmBWI - SEA

1 stop8h 15mMultiple Airlines

Deal found 7/7$302

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (61)

on. 7/179:40 pmSEA - DCA

1 stop11h 29mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (62)

on. 8/712:59 pmDCA - SEA

1 stop10h 51mFrontier

Deal found 7/7$312

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (63)

on. 7/179:40 pmSEA - DCA

1 stop11h 29mFrontier

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (64)

lø. 7/2712:59 pmDCA - SEA

1 stop11h 27mFrontier

Deal found 7/7$320

One-way flights to Washington, D.C. from Seattle

Search for one-way flight options from Seattle to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,788,024 searches. Data last updated juli 7, 2024.

Take a look at some of the best available options we've come across on one-way flights from Seattle to Washington, D.C.. Users needing a return flight from Seattle to Washington, D.C. should utilize the search form above.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (65)

on. 8/79:40 pmSEA - BWI

1 stop12h 36mFrontier

Deal found 7/6$85

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (66)

on. 8/79:40 pmSEA - DCA

1 stop11h 29mFrontier

Deal found 7/6$85

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (67)

on. 8/79:40 pmSEA - DCA

1 stop11h 29mFrontier

Deal found 7/6$86

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (68)

to. 9/59:37 amSEA - DCA

1 stop9h 22mFrontier

Deal found 7/6$89

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (69)

on. 8/79:40 pmSEA - BWI

1 stop12h 36mFrontier

Deal found 7/6$90

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (70)

on. 9/119:37 amSEA - DCA

1 stop9h 22mFrontier

Deal found 7/6$90

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (71)

on. 8/75:05 pmSEA - BWI

1 stop13h 13mFrontier

Deal found 7/7$93

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (72)

ti. 10/19:37 amSEA - BWI

1 stop23h 26mFrontier

Deal found 7/7$94

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (73)

on. 8/218:57 pmSEA - DCA

1 stop12h 12mFrontier

Deal found 7/6$95

Find flights from Seattle to Washington, D.C. within your budget

Customize your flight search to find flights from Seattle to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,788,024 searches. Data last updated juli 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$168 - $315

Route

Depart

Return

Price

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (74)

Seattle/Tacoma Intl

on. 8/7

1 stop11h 29m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (75)

Washington, D.C. Reagan-National

ma. 8/12

1 stop16h 39m

$168

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (76)

Seattle/Tacoma Intl

on. 10/2

1 stop9h 39m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (77)

Baltimore/Washington

on. 10/9

1 stop7h 50m

$196

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (78)

Seattle/Tacoma Intl

ti. 7/23

1 stop13h 41m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (79)

Baltimore/Washington

ti. 7/30

1 stop13h 06m

$210

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (80)

Seattle/Tacoma Intl

fr. 7/26

2 stops16h 45m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (81)

Baltimore/Washington

ti. 8/6

1 stop11h 33m

$213

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (82)

Seattle/Tacoma Intl

ma. 9/16

1 stop7h 12m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (83)

Baltimore/Washington

to. 10/24

1 stop8h 16m

$236

Seattle/Tacoma IntlWashington, D.C. Dulles Intl

SEA - IAD

SEAIAD

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (84)

Seattle/Tacoma Intl

to. 8/29

1 stop7h 39m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (85)

Washington, D.C. Dulles Intl

on. 9/4

2 stops12h 14m

$252

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (86)

Seattle/Tacoma Intl

ti. 9/17

Nonstop5h 00m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (87)

Baltimore/Washington

on. 9/25

Nonstop5h 43m

$257

Seattle/Tacoma IntlWashington, D.C. Reagan-National

SEA - DCA

SEADCA

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (88)

Seattle/Tacoma Intl

fr. 9/20

1 stop8h 28m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (89)

Washington, D.C. Reagan-National

ma. 9/23

1 stop12h 36m

$258

Seattle/Tacoma IntlBaltimore/Washington

SEA - BWI

SEABWI

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (90)

Seattle/Tacoma Intl

ma. 8/5

1 stop8h 09m

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (91)

Baltimore/Washington

ma. 8/12

1 stop23h 23m

$315

Flights are sorted by cheapest first

Deals found on 7/7

How far ahead should I book a flight from Seattle to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Washington, D.C.. Price data was last updated on July 5, 2024.

The price you pay for your flight from Seattle to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Seattle to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Washington, D.C.. Price data was last updated on July 7, 2024.

Morning

Noon

Afternoon

Evening

All times are departure.

Travelers seeking maximum savings on their Seattle to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Search Deals

Best time to book a flight from Seattle to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated juli 7, 2024.

See what other customers who have flown with United Airlines, American Airlines and Alaska Airlines from Seattle to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (92)

Alaska Airlines

8.1

Very good

9,379 reviews

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (93)

Alaska Airlines

8.1

Very good

9,379 reviews

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (94)

Alaska Airlines

8.1

Very good

9,379 reviews

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (95)

Delta

8.0

Very good

9,897 reviews

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (96)

Alaska Airlines

8.1

Very good

9,379 reviews

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (97)

JetBlue

7.6

Good

4,101 reviews

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (98)

Alaska Airlines

8.1

Very good

9,379 reviews

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (99)

United Airlines

7.4

Good

10,000 reviews

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (100)

Alaska Airlines

8.1

Very good

9,379 reviews

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (101)

WestJet

7.4

Good

2,776 reviews

$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (102)

Alaska Airlines

8.1

Very good

9,379 reviews

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Washington, D.C.?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Washington, D.C.. 8 airlines have flights from Seattle/Tacoma Intl to Washington, D.C. on a regular basis. Booking flights from Seattle/Tacoma Intl to Washington, D.C. should not be difficult; the airport handles an average of 21 outbound flights to Washington, D.C. per day.

  • Can I find flights from Seattle to Washington, D.C. for under $200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Washington, D.C. for under $200. The cheapest flight booked recently is on Frontier for just $168, but on average you can expect to pay $191.

  • Are there nonstop flights from Seattle to Washington, D.C. for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Washington, D.C. under $300. A good price for a nonstop flight from Seattle to Washington, D.C. is less than $287.

  • Are there last-minute flights available from Seattle to Washington, D.C. for under $300?

    There are currently 20+ open flights from Seattle to Washington, D.C. within the next 7 days for less than $300.

  • What days are nonstop flights available from Seattle to Washington, D.C.?

    Days when nonstop flights are available for this flight are: Sunday, Monday, Wednesday, Thursday.

  • How many flights depart from Seattle to Washington, D.C. on average per day?

    Per day, 10 flights depart from Seattle to Washington, D.C. on average.
    Morning (6am - Noon) - 70% of flight departures
    Afternoon (Noon - 6pm) - 30% of flight departures

  • How long is the flight from Seattle to Washington, D.C.?

    A quick flight from Seattle to Washington, D.C. can take about 9h 39m. Frontier provides one of the quickest options available for as low as $168. The distance between Seattle and Washington, D.C. is about 2313 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Washington, D.C. round-trip?

    Our cheapest airline available from Seattle to Washington, D.C. is Frontier. Our recent data shows that you can find tickets from as low as $168 on this airline. Additional options worth looking into are American Airlines and Spirit Airlines, starting at $196 and $213 round-trip. Frontier is currently priced 57% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Washington, D.C. one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from American Airlines and Spirit Airlines, as they are both options that can get you from Seattle to Washington, D.C. for a low price.

  • What are the most popular routes from Seattle to Washington, D.C.?

    The most popular flight routes from Seattle to Washington, D.C. are Seattle/Tacoma Intl - Washington, D.C. Dulles Intl, Seattle/Tacoma Intl - Washington, D.C. Reagan-National and Seattle/Tacoma Intl - Baltimore/Washington.

  • What are the most reliable airlines from Seattle to Washington, D.C.?

    No one likes to see their flight delayed. When booking a flight from Seattle to Washington, D.C. consider choosing Austrian Airlines (87%), Brussels Airlines (87%) or Alaska Airlines (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Washington, D.C.?

    While on average a flight from Seattle to Washington, D.C. is generally $834, our data shows the cheapest flight currently is $144. When looking at the most popular route, (Seattle/Tacoma Intl - Washington, D.C. Dulles Intl), you can expect to pay $257 for that flight.

  • What does SEA to IAD mean?

    SEA stands for Seattle/Tacoma Intl Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Where are the most common layover locations when flying from Seattle to Washington, D.C.?

    Flights departing from Seattle and landing in Washington, D.C. layover in Chicago most frequently.

  • What are some popular things to do or see while on a layover in Chicago?

    Magnificent Mile, Grant Park, and River North are the most popular attractions in Chicago if you're in need of something to do during your layover. Magnificent Mile, Grant Park, and River North can be visited by traveling about 15.5 mi, 16.2 mi, and 15.0 mi respectively from Chicago O'Hare Intl. Those on a layover in Chicago in need of a rental car can book one at Chicago O'Hare Intl for about $68.

  • Where are the least popular layover locations for Seattle to Washington, D.C. flights?

    Of the flights from Seattle to Washington, D.C. that have layovers, the fewest flights stop in Denver.

  • Can I find deals for flights from Seattle to Washington, D.C. that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Seattle to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Washington, D.C..

  • Can I find deals for business class flights from Seattle to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Seattle to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Washington, D.C. that allow pets onboard?

    Many airlines flying from Seattle to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Washington, D.C.?

    Yes, you can often find last-minute deals on Seattle to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Washington, D.C. flight deals updated?

    The Seattle to Washington, D.C. flight deals you see on this page were last updated on 7/7.

  • What are the most popular airlines that fly from Seattle to Washington, D.C.?

    American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Seattle to Washington, D.C..

  • What is the cheapest month to book a flight from Seattle to Washington, D.C.?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Washington, D.C. (average of $278). Flying from Seattle to Washington, D.C. in June is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Dulles Intl flights

Seattle to Reagan-National flights

Portland to Dulles Intl flights

Portland to Reagan-National flights

Spokane to Dulles Intl flights

Spokane to Reagan-National flights

Pasco to Dulles Intl flights

Pasco to Reagan-National flights

Yakima to Dulles Intl flights

Wenatchee to Dulles Intl flights

Wenatchee to Reagan-National flights

Bellingham to Dulles Intl flights

Pullman to Reagan-National flights

Bellingham to Reagan-National flights

Walla Walla to Dulles Intl flights

Yakima to Reagan-National flights

Walla Walla to Reagan-National flights

Pullman to Dulles Intl flights

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Washington, D.C. car rentals

Washington, D.C. Dulles Intl Airport car rentals

Baltimore/Washington Airport car rentals

Washington, D.C. Reagan-National Airport car rentals

Dupont Circle car rentals

Georgetown car rentals

Capitol Hill car rentals

Foggy Bottom - West End car rentals

Southwest Waterfront car rentals

Columbia Heights car rentals

Shaw car rentals

The Mall - East End car rentals

Seattle and Washington, D.C. flights

Browse other Seattle and Washington, D.C. flight options. Last updated on juli 7, 2024.

Flights from Washington, D.C. to Seattle

Flights to Seattle

Flights to Washington, D.C.

Flights from Seattle

Flights from Washington, D.C.

Other flights from Seattle

Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on juli 7, 2024.

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Seattle to Baltimore flights

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on juli 7, 2024.

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Top 8 airlines flying from Seattle to Washington, D.C.

Discover the top 8 airlines that operate flights from Seattle to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,788,024 searches. Data last updated juli 7, 2024.

AirlineCheapestAverageFlexibilityOn-time
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (103)FrontierCheapest$105Average$243FlexibilityNo cancel feeOn-time62%
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (104)JetBlueCheapest$114Average$307FlexibilityNo cancel feeOn-time62%
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (105)DeltaCheapest$128Average$463FlexibilityNo cancel feeOn-timeN/A
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (106)Spirit AirlinesCheapest$134Average$271FlexibilityNo cancel feeOn-time65%
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (107)Alaska AirlinesCheapest$159Average$481FlexibilityNo cancel feeOn-time75%
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (108)United AirlinesCheapest$216Average$399FlexibilityNo cancel feeOn-time69%
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (109)American AirlinesCheapest$225Average$439FlexibilityNo cancel feeOn-time71%
$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (110)Sun Country AirCheapest$286Average$506FlexibilityNo cancel feeOn-time83%

Chicago to New Delhi flights

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Miami to Chicago flights

Atlanta to Denver flights

New York John F Kennedy Intl Airport to Orlando flights

Tampa to Miami flights

Washington, D.C. Reagan-National Airport to Boston flights

San Francisco to Portland flights

Seattle to Warsaw Frederic Chopin Airport flights

Search flights from Seattle to Washington, D.C. by cabin class

Find flights from Seattle to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Seattle to Washington, D.C.

Find hourly flight availability from Seattle to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juli 7, 2024.

1%of flight departuresEarly morningMidnight to 6 am
46%of flight departuresMorning6 am to noon
28%of flight departuresAfternoonNoon to 6 pm
25%of flight departuresEvening6 pm to midnight

Midnight

6 AM

Noon

6 PM

Weekly flight availability from Seattle to Washington, D.C.

Explore weekly flight availability from Seattle to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juli 7, 2024.

Sunday22daily flights
Monday23daily flights
Tuesday20daily flights
Wednesday21daily flights
Thursday20daily flights
Friday22daily flights
Saturday22daily flights

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$85+ Flights from Seattle, Washington to Washington, D.C., District of Columbia | Cheapflights (2024)

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