Cheap Flights from Washington, DC to Seattle, WA from $113 - Find Tickets & Airfare Deals at Cheapflights.com

How to find the cheapest flight from
Washington (WAS) to Seattle (SEA)

What is the cheapest day to fly round-trip from Washington to Seattle?

Saturday flights are generally found to be more expensive for flights from Washington to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

How far in advance should I book a flight from Washington to Seattle?

Find a great deal and save up to 58% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington to Seattle within the next two weeks, with the cheapest ticket starting at $136.

When is the cheapest time to fly from Washington to Seattle (WAS - 03A)?

One of the essential ways to save on airfare from Washington to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 33% on airfare.

One-way flights to Seattle from Washington

The cheapest one-way flights from Washington to Seattle

3:00 am - 1:44 pm

Spirit Airlines

1 Stop

13h 44m

BWI - SEA

$144

JustFly

2:10 am - 11:23 am

Delta

1 Stop

12h 13m

BWI - SEA

$145

Delta

9:01 am - 6:37 am

Multiple Airlines

2 Stops

24h 36m

DCA - SEA

$148

Kiwi.com

Related info for your journey

Useful info, stats and facts about Washington to Seattle flights.

Flight FAQs

From Washington to Seattle

Are flight prices decreasing from Washington to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Washington to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Washington to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $113, but on average you can expect to pay $148.

Are there nonstop flights from Washington to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to Seattle under $200. A good price for a nonstop flight from Washington to Seattle is less than $268.

Are there last-minute flights available from Washington to Seattle for under $200?

There are currently 20+ open flights from Washington to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Washington to Seattle?

Days when nonstop flights are available for this flight are: Sunday, Tuesday, Thursday, Saturday.

How many flights depart from Washington to Seattle on average per day?

3 flight departures from Washington to Seattle per day on average.
Morning (6am - Noon) - 33% of flight departures
Evening (6pm - Midnight) - 67% of flight departures

Is Washington weather warmer or cooler than Seattle?

Temperatures around the 90 °F's can be experienced in July. The weather in Seattle is colder than in Washington. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Washington to Seattle?

A quick flight from Washington to Seattle can take about 5h 50m. Spirit Airlines provides one of the quickest options available for as low as $133. There are 2313 mi between Washington and Seattle. Most flights are nonstop.

What is the cheapest airline to fly from Washington to Seattle round-trip?

According to our current data, Spirit Airlines ($113), offers the cheapest pricing from Washington to Seattle.

What are the cheapest airlines to fly from Washington to Seattle one-way?

One-way options have recently been found by users for as low as $71 on Spirit Airlines. Another option is Delta, who have fights from $139.

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Destination information for Seattle

Things to know before you go. Useful info for your trip from Washington to Seattle

5h 23m

73.4 °F

1.0 ″

Airports servicing Washington

Washington Dulles Intl (IAD)

Reagan National (DCA)

Airports servicing Seattle

Redmond (SEA)

Seattle King County/Boeing (BFI)

Seattle Lake Union Spb (LKE)

Hourly flight availability from Washington to Seattle

Afternoon Noon to 6 PM	69% of WAS to SEA departures
Morning 6 AM to noon	30% of WAS to SEA departures
Early morning Midnight to 6 AM	1% of WAS to SEA departures
Evening 6 PM to midnight	0% of WAS to SEA departures

Midnight

6 AM

Noon

6 PM

Cheap flights from Washington to Seattle (WAS - SEA)

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How to find the cheapest flight from Washington (WAS) to Seattle (SEA)