
Popular airlines from Ronald Reagan Washington National Airport (DCA) to Seattle
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- United
United
- JetBlue Airways
JetBlue Airways
- Frontier Airlines
Frontier Airlines
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Cheap Flights from Washington to Seattle (DCA-SEA)
Prices were available within the past 7 days and start at S$155 for one-way flights and S$322 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Washington (DCA) to Seattle (SEA)
May is typically the cheapest month to fly
Origin airport | Ronald Reagan Washington National |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Return price | S$322 |
Distance | 3715 km |
Average flight time | 2 hours 58 mins |
Flights from Washington to Seattle
There are several airlines that operate frequent flights from Washington D.C. (DCA) to Seattle (SEA) including
- American Airlines with 269 flights a week
- Delta Air Lines with 221 flights a week
- United Airlines with 112 flights a week
- with 86 flights a week
- Alaska Airlines with 63 flights a week
The earliest flight leaves Ronald Reagan Washington National Airport at 08:00 and arrives at Seattle Tacoma Intl. Airport at 10:50. The last flight of the day departs Washington D.C. at 18:55 and arrives at Seattle at 22:05.
The flight distance from Washington D.C. to Seattle is about 3757 km, the shortest flight is 05 hours 50 minutes with .
Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Washington Seattle flight!
Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Washington to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Washington to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
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