✈ Trip from Seattle to Washington, D.C. (2024)

Good to know

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Prices are for flights from Seattle to Washington, D.C. for 1 adult in Economy. Flight times are based on nonstop flights or flights with the fewest stops available.

Flight information for Seattle to Washington, D.C. to help you plan your next trip.

Cheapest round-trip flight£141

Frontier1 stop14 hrAug 29 — Sep 4

The cheapest round-trip flight from Seattle to Washington, D.C. is currently £141
Cheapest one-way flight£71

Frontier1 stop8 hrSep 4

The cheapest one-way flight from Seattle to Washington, D.C. is currently £71
Fastest flight4 hr 48 minThe fastest nonstop flight from Seattle to Washington, D.C. takes 4 hr 48 min
Nonstop flightsEvery dayThere are direct flights on this route every day.

When is the cheapest time to fly?

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Typical prices for the least expensive flights for 1-week trips from Seattle to Washington, D.C. per month. Insights are based on fares observed in the last 12 months. Current prices may differ.

The cheapest month to fly from Seattle to Washington, D.C. is typically January. The most expensive one is typically June.

January

Cheapest

Typical prices: £115–215
June

Most expensive

Typical prices: £190–270

Popular airports near Seattle

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Distance and driving time are relative to the city center. Airports are listed based on distance from Seattle center and popularity with travelers.

Popular airports near Washington, D.C.

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Distance and driving time are relative to the city center. Airports are listed based on distance from Washington, D.C. center and popularity with travelers.

  • Ronald Reagan Washington National Airport (DCA)

    Washington

    17 min

    4 mi

  • Dulles International Airport (IAD)

    Washington

    52 min

    22 mi

  • Baltimore/Washington International Thurgood Marshall Airport (BWI)

    Baltimore

    48 min

    27 mi

  • Philadelphia International Airport (PHL)

    Philadelphia

    2 hr 18 min

    116 mi

Frequently asked questions about flying from Seattle to Washington, D.C.

How long does it take to fly from Seattle to Washington, D.C.?

4 hr 48 min is the shortest flight time from Seattle to Washington, D.C..

When are the cheapest days to fly from Seattle to Washington, D.C.?

The cheapest days to fly are usually in January. Typical prices range from £115 to £215.

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

The best round-trip deal recently found on Google Flights from Seattle to Washington, D.C. was with Frontier from £141. The best one-way deal was with Frontier from £71.

When are direct flights from Seattle to Washington, D.C. available?

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

Which airlines have direct flights from Seattle to Washington, D.C.?

Alaska, Southwest, United and Delta fly direct from Seattle to Washington, D.C..

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

The cheapest round-trip flight from Seattle to Washington, D.C. starts at £141 from Thu, Aug 29 to Wed, Sep 4. The cheapest one-way flight starts at £71 and departs on Wed, Sep 4.

When should you visit Washington, D.C.?

Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.

How do I find cheap dates to fly from Seattle to Washington, D.C.

It's easy to use Google Flights to find the cheapest days to fly from Seattle to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

Search more flights

Popular trips from Seattle

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These suggestions are based on the cheapest fares to popular destinations in the next six months.

Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.

  1. Tokyo

    £807

    Sep 16 — Sep 25

    1 stop19 hrSTARLUX Airlines

  2. London

    £383

    Oct 28 — Nov 5

    1 stop12 hr 20 minIcelandair

  3. New York

    £141

    Aug 15 — Aug 21

    1 stop9 hr 35 minFrontier

  4. Los Angeles

    £65

    Aug 15 — Aug 21

    Nonstop2 hr 46 minSpirit

Find flights from Seattle to anywhere

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✈ Trip from Seattle to Washington, D.C. (2024)

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