£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (2024)

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (1)

SEA - WAS

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Washington, D.C. departing on 7/8. 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.

1 adult

0 bags

Tue 6/8

Tue 13/8

Search hundreds of travel sites at once for deals on flights to Washington, D.C.

These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Washington, D.C., as well as popular online travel agencies

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (2)

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (3)

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (4)

...and more

These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Washington, D.C., as well as popular online travel agencies

In the last 7 days, travellers have searched 45,984,924 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from Seattle to Washington, D.C. (SEA-WAS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices and deals for you by selecting your travel dates.

Choose your dates

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (5)

21:55 - 06:01SEA-IAD

5h 06mdirect

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (6)

07:25 - 10:19IAD-SEA

5h 54mdirect

£201Delta

Find Deal

Tue, 17 Sep - Wed, 25 Sep

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (7)

22:28 - 11:54SEA-DCA

10h 26m1 stop

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (8)

15:20 - 20:37DCA-SEA

8h 17m1 stop

£201JetBlue

Find Deal

Sun, 3 Nov - Sat, 9 Nov

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (9)

16:06 - 23:59SEA-IAD

4h 53mdirect

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (10)

16:16 - 23:42IAD-SEA

10h 26m1 stop

£208Alaska Airlines

Find Deal

Tue, 17 Sep - Wed, 25 Sep

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (11)

07:07 - 15:15SEA-IAD

5h 08mdirect

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (12)

19:06 - 22:00IAD-SEA

5h 54mdirect

£208Alaska Airlines

Find Deal

Sat, 21 Sep - Tue, 22 Oct

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (13)

07:07 - 15:15SEA-IAD

5h 08mdirect

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (14)

19:09 - 22:00IAD-SEA

5h 51mdirect

£211Alaska Airlines

Find Deal

Sat, 28 Sep - Sat, 28 Sep

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (15)

07:07 - 15:15SEA-IAD

5h 08mdirect

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (16)

19:09 - 22:00IAD-SEA

5h 51mdirect

£213Alaska Airlines

Find Deal

Thu, 29 Aug - Wed, 4 Sep

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (17)

18:35 - 20:26SEA-IAD

22h 51m1 stop

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (18)

12:33 - 17:13IAD-SEA

7h 40m1 stop

£238Sun Country Air

Find Deal

Fri, 13 Sep - Sun, 15 Sep

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (21)

00:30 - 11:52SEA-IAD

8h 22m1 stop

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (22)

17:26 - 20:14IAD-SEA

5h 48mdirect

£286United Airlines

Find Deal

Tue, 13 Aug - Tue, 20 Aug

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (23)

22:30 - 06:29SEA-IAD

4h 59mdirect

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (24)

22:10 - 00:54IAD-SEA

5h 44mdirect

£304United Airlines

Find Deal

Thu, 1 Aug - Sat, 10 Aug

Flights from Seattle to Washington, D.C. - Travel Insights & Trends

Get data-powered insights and trends into flights from Seattle to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Seattle to Washington, D.C. flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Seattle to Washington, D.C..

Our data shows that the cheapest route for a one-way flight from Seattle to Washington, D.C. cost £214 and was between Seattle and Washington, D.C. Reagan-National Airport. On average, the best prices are found if you fly this route.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seattle to Washington, D.C., removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Washington, D.C. is February, where tickets cost £254 on average. On the other hand, the most expensive months are June and December, where the average cost of tickets is £370 and £357 respectively.

Can I save money by flying with a stopover from Seattle to Washington, D.C.?

The average price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of £255, prices are generally cheapest when you fly direct.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Seattle to Washington, D.C., removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.

To get a below average price on the flight from Seattle to Washington, D.C., you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 104 days before departure.

Which airlines provide the cheapest flights from Seattle to Washington, D.C.?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the last 72 hours, the cheapest one-way ticket from Seattle to Washington, D.C. found on KAYAK was with JetBlue for £101. Delta proposed a return connection from £201 and JetBlue from £201.

Which airlines fly most frequently between Seattle and Washington, D.C.?

Seattle and Washington, D.C. are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (49 flights per week), United Airlines (28 flights per week), and Delta (14 flights per week).

How many flights are there between Seattle and Washington, D.C. per day?

Each day, there are between 13 and 14 nonstop flights that take off from Seattle and land in Washington, D.C., with an average flight time of 5h 00m. The most common departure time is 08:00 and most flights take off in the morning, while the most flights land at Washington, D.C. Dulles Intl Airport. Each week, there are 92 flights. The most frequent day of departure is Saturday, when 15% of all weekly flights depart. The fewest flights depart on a Monday.

Which cabin class options are there for flights between Seattle and Washington, D.C.?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Seattle to Washington, D.C. take?

Direct flights cover the 2,319 miles separating Seattle and Washington, D.C. in about 4h 47m.

What’s the earliest departure time from Seattle to Washington, D.C.?

Early birds can take the earliest flight from Seattle at 08:00 and will be landing in Washington, D.C. at 16:12.

What’s the latest departure time from Seattle to Washington, D.C.?

If you prefer to fly at night, the latest flight from Seattle to Washington, D.C. jets off at 23:43 and lands at 07:35.

Good to know - Cheap tickets from Seattle to Washington, D.C.

Low season

January

High season

April

Best time to beat the crowds (13% less expensive on average)

Most popular time to fly (3% more expensive on average)

When to book flights from Seattle to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Seattle to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Washington, D.C.

  • Does IAD have an on-site hotel?

    IAD has one on-site hotel. Referred to as Sleepbox Lounge, this hotel is between Gates A6 and A14, near the AeroTrain in Concourse A. You'll have a good rest at this hotel, as it features comfortable rooms.

  • Is there an on-site restaurant at DCA?

    If you're hungry, you can order food before exiting DCA, as this airport is full of restaurants. Some notable restaurants at this airport include Matsutake Sushi, American Tap Room, District Bar, Custom Burger, Cava Mezze Grill, and Grille District. If you just want snacks, you can visit the retail stores located throughout the airport.

  • Can I rent a car at BWI?

    If you want to rent a car once you disembark from your flight at BWI, you'll be able to do so. This is because BWI is connected to an off-site car rental facility that houses branches for reliable car rental agencies like Budget, Hertz, National, Alamo, Avis, Thrifty, and Enterprise. To board the shuttle, you'll use to travel to the airport's car rental facility, and head to the lower level of BWI's main terminal.

  • Does SEA have a children's play area?

    SEA has a children's play area. Located between the Central Terminal and Gates A, across from Seattle Taproom, this children's play area features several toys and soft playgrounds. Daily, it operates round-the-clock.

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

    In the last 3 days, the lowest price for a flight from Seattle to Washington, D.C. was £129 for a one-way ticket and £257 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Washington, D.C.?

    Alaska Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the Seattle to Washington, D.C. flight route.

  • Which aircraft models fly most regularly from Seattle to Washington, D.C.?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Seattle to Washington, D.C. flight route.

  • Which airline alliances offer flights from Seattle to Washington, D.C.?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Washington, D.C., with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Seattle to Washington, D.C.?

    There are direct flights from Seattle to Washington, D.C. on a daily basis.

  • How does KAYAK find such low prices on flights from Seattle to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Seattle to Washington, D.C.

  • To travel from Seattle's city center to Seattle-Tacoma International Airport (SEA), you can board a King County Metro bus, a private taxi, or a LINK Light Rail train. You should board a taxi if you're in a rush, a metro bus if you'd like to travel cheaply, and a train if you want to balance speed and cost.

  • In case you need help at SEA, you'll be able to easily get it, as this airport features several staff members mandated with the responsibility of assisting passengers at the airport. Given that they all wear distinct blue vests, you'll be able to spot one without hassle.

  • If you've got time to spare, while waiting for your flight to Washington at SEA, you can enjoy relaxing spa services at the outstanding Terminal Gateway Spa. This spa, situated a short distance from gate A5, is normally open from 7 am to 10 pm. It features adequately experienced professionals, state-of-the-art spa equipment, and high-quality spa oils.

  • In Washington, you can land at Baltimore/Washington International Thurgood Marshall Airport (BWI), Dulles International Airport (IAD), or Ronald Reagan Washington National Airport (DCA). When booking your flight to Washington, you should book one that lands at DCA. This is because, among the three Washington airports, it is the closest to Washington's city center. Given that it also has the least passenger traffic, you won't encounter massive queues at DCA.

  • If you've traveled to Washington with your pet, you can let it relieve itself in one of DCA's designated pet relief areas once you land at the airport. These pet relief areas are opposite Doors 1 and 5 in Terminal A, opposite the South Metrorail station entrance in Terminal B, and across from the North Metrorail Station Entrance in Terminal C.

See more tips

Prefer to fly direct from Seattle to Washington, D.C.?

Find which airlines fly direct from Seattle/Tacoma Intl to Washington, D.C., which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Washington, D.C.

Monday

ANA, Air Tahiti Nui, Alaska Airlines, +13 more

ANA, Air Tahiti Nui, +14 more

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (25)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (26)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (27)

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (28)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (29)

Tuesday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

14

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (30)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (31)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (32)

15

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (33)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (34)

Wednesday

ANA, Air Tahiti Nui, Alaska Airlines, +13 more

ANA, Air Tahiti Nui, +14 more

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (35)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (36)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (37)

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (38)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (39)

Thursday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

15

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (43)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (44)

Friday

ANA, Air Tahiti Nui, Alaska Airlines, +14 more

ANA, Air Tahiti Nui, +15 more

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (45)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (46)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (47)

14

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (48)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (49)

Saturday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

14

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (50)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (51)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (52)

15

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (53)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (54)

Sunday

ANA, Air Tahiti Nui, Alaska Airlines, +14 more

ANA, Air Tahiti Nui, +15 more

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (55)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (56)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (57)

14

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (58)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (59)

See more direct flights

Direct returns

Washington, D.C. to Seattle/Tacoma Intl

Monday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

11

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (60)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (61)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (62)

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (63)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (64)

Tuesday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (65)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (66)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (67)

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (68)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (69)

Wednesday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

11

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (70)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (71)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (72)

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (73)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (74)

Thursday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (75)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (76)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (77)

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (78)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (79)

Friday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

11

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (80)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (81)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (82)

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (83)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (84)

Saturday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (85)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (86)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (87)

13

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (88)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (89)

Sunday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

11

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (90)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (91)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (92)

12

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (93)£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (94)

See more direct flights

See more direct flights

Book cheap flights from Seattle to Washington, D.C.

Cheapest flights to Washington, D.C. from Seattle found in 2024

Recent one-way flight deals

Only flying one-way? Below are some of the best one-way flight deals from Seattle to Washington, D.C. found on KAYAK in the last 72 hours.

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (95)

7/8Wed

1 stopJetBlue

8h 54mSEA-DCA

£101

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (96)

4/9Wed

directDelta

4h 57mSEA-IAD

£101

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (97)

5/8Mon

1 stopJetBlue

11h 08mSEA-DCA

£105

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (98)

1/10Tue

1 stopAlaska Airlines

8h 55mSEA-IAD

£108

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (99)

27/8Tue

directDelta

4h 57mSEA-IAD

£108

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (100)

14/8Wed

1 stopAlaska Airlines

14h 45mSEA-IAD

£112

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (101)

9/8Fri

1 stopSun Country Air

9h 11mSEA-IAD

£131

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (102)

23/8Fri

1 stopSun Country Air

17h 57mSEA-IAD

£135

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (103)

1/8Thu

directUnited Airlines

4h 59mSEA-IAD

£152

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (104)

6/8Tue

1 stopUnited Airlines

8h 54mSEA-DCA

£159

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Last minute flights from Seattle to Washington, D.C.

Last minute flight, train and bus deals

These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seattle to Washington, D.C. that are departing in the next 10 days.

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (105)

12/7Fri

multi-stopSun Country Air

9h 11mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (106)

20/7Sat

multi-stopSun Country Air

21h 54mIAD-SEA

£336

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (107)

12/7Fri

multi-stopSun Country Air

18h 38mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (108)

18/7Thu

multi-stopSun Country Air

19h 26mIAD-SEA

£343

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (109)

10/7Wed

multi-stopSun Country Air

8h 18mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (110)

24/7Wed

multi-stopSun Country Air

7h 46mIAD-SEA

£378

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (111)

12/7Fri

multi-stopSun Country Air

9h 11mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (112)

14/7Sun

multi-stopSun Country Air

22h 45mIAD-SEA

£414

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (113)

11/7Thu

directAlaska Airlines

4h 52mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (114)

15/7Mon

directAlaska Airlines

5h 53mIAD-SEA

£557

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (115)

11/7Thu

multi-stopAlaska Airlines

8h 54mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (116)

14/7Sun

directAlaska Airlines

5h 53mIAD-SEA

£564

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (117)

11/7Thu

multi-stopUnited Airlines

8h 22mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (118)

16/7Tue

multi-stopUnited Airlines

12h 54mIAD-SEA

£585

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (119)

11/7Thu

multi-stopUnited Airlines

8h 22mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (120)

19/7Fri

multi-stopUnited Airlines

12h 54mIAD-SEA

£601

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (121)

10/7Wed

multi-stopDelta

7h 17mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (122)

14/7Sun

directDelta

5h 46mIAD-SEA

£604

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (123)

10/7Wed

multi-stopDelta

7h 17mSEA-IAD

£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (124)

17/7Wed

multi-stopDelta

8h 35mIAD-SEA

£611

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Seattle - Washington, D.C. Flights

Departure:

Seattle (SEA)United States

Cabin classes:

£276

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£101 Cheap Flights from Seattle to Washington, D.C. (SEA - WAS) | KAYAK (2024)

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