Cheap flights from Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and starts at CA $156 for one-way flights and CA $360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Seattle to Washington: Reviews from verified customers

May 2, 2018

Would definitely fly with Alaska Airlines again!

Flight from Seattle to Washington route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Washington Dulles Intl.
Flight Price CA $360
Distance 3,679 km

Seattle to Sterling Flights

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When it comes to finding cheap Expedia flights, the best time to do it is during low season or shoulder season, which ranges between late January to May.

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