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

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2025/3
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2025/3
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Washington Dulles－Seattle-Tacoma Airport
March Lowest Airfares -----
Washington Dulles－Seattle-Tacoma Airport
April Lowest Airfares
USD244

The airfare displayed above is for Delta Air Lines

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Washington Dulles－Seattle-Tacoma Airport
May Lowest Airfares
USD360

The airfare displayed above is for Delta Air Lines

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Washington Dulles－Seattle-Tacoma Airport
June Lowest Airfares
USD419

The airfare displayed above is for United Airlines

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Washington Dulles－Seattle-Tacoma Airport
July 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－Boston(Logan)
USD194〜
Washington Dulles－Chicago(O'Hare)
USD189〜
Washington Dulles－Dallas(/Fort Worth)
USD218〜
Washington Dulles－Dallas(Love Field)
USD229〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Dallas/Fort Worth Airport－Seattle(-Tacoma)
USD181〜
San Diego Airport－Seattle(-Tacoma)
USD179〜
O'Hare Airport－Seattle(-Tacoma)
USD171〜
Hartsfield-Jackson Atlanta Airport－Seattle(-Tacoma)
USD279〜
Baltimore-Washington Airport－Seattle(-Tacoma)
USD208〜
Ronald Reagan Washington National Airport－Seattle(-Tacoma)
USD319〜
* Fares vary in accordance to seat availability