
Popular airlines from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA)
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- JetBlue Airways
JetBlue Airways
- Frontier Airlines
Frontier Airlines
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Find Cheap Flights from Seattle (SEA) to Washington (DCA)
Prices were available within the past 7 days and start at HK$937 for one-way flights and HK$3,090 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Seattle (SEA) to Washington (DCA)
May is typically the cheapest month to fly
Alternative airports near Washington
Prices were available within the past 7 days. Prices and availability are subject to change.
Travel information
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Ronald Reagan Washington National |
Airlines serving | Alaska Airlines, American Airlines, Delta, United |
Return price | HK$3,090 |
Distance | 3715 km |
Average flight time | 8 hours 3 mins |
Book with confidence
Flights from Seattle to Washington
Book cheap flights from Seattle (SEA) to Washington (DCA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.
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Be 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 Seattle (SEA) to Washington (DCA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).
Save more when combine your Washington flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Washington and things to do in Washington for your perfect vacation with Expedia Thing to Do.
If you would like to book flights to Washington more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Washington is HK$937 now!
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