Cheap flights from Washington, D.C. to Seattle
Flights starting at $86. Choose between Alaska Airlines, United Airlines, or Delta Air Lines to find the best price.
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Tips to know when travelling to Seattle
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Weekly direct flights
Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
---|---|---|---|---|---|---|---|
Direct flights | 8 | 6 | 8 | 8 | 8 | 7 | 8 |
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Delta Air Lines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Washington, D.C. to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | Yes | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
American Airlines | AAL | AA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United States COVID-19 travel restrictions
Most travelers from Baltimore, BWI can enter Seattle, SEA.
Departure
Additional information |
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
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Flights from Washington, D.C.
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Flights to Seattle
- Flights from Denver to Seattle
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Popular routes
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Airports near Washington, D.C.
- Philadelphia International
- Baltimore–Washington International
- Washington Dulles International
- Ronald Reagan Washington National
- Richmond International
- Norfolk International
- Trenton–Mercer
- Harrisburg International
- Lehigh Valley International
- Atlantic City International
Airports near Seattle
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