Cheap Flights from Washington Dulles International Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/2
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Return Date

2025/2
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Washington Dulles－Seattle-Tacoma Airport
February Lowest Airfares -----
Washington Dulles－Seattle-Tacoma Airport
March Lowest Airfares -----

Washington Dulles－Seattle-Tacoma Airport
April Lowest Airfares -----
Washington Dulles－Seattle-Tacoma Airport
May Lowest Airfares -----
Washington Dulles－Seattle-Tacoma Airport
June Lowest Airfares -----

Washington D.C－Seattle
Estimated Flight Time
5 Hours 34 Minutes
Washington D.C－Seattle
Number of Operating Airlines
5

Operating Airlines for Washington Dulles－Seattle-Tacoma Airport Route
Non-StopUnited Airlines

Delta Air Lines

Non-StopAlaska Airlines

American Airlines

SUN COUNTRY

Other Destinations from:Washington D.C

Washington Dulles－Chicago(O'Hare)
USD313〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

San Diego Airport－Seattle(-Tacoma)
USD235〜
O'Hare Airport－Seattle(-Tacoma)
USD232〜
* Fares vary in accordance to seat availability