Washington (IAD) to Seattle / Tacoma (SEA) flight deal in economy from $154
Washington Dulles International Airport
Washington, United States
Seattle–Tacoma International Airport
Seattle / Tacoma, United States
$300 USD
-49%$154 USD
Verified 2 days agoJanuary 2027
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Thursday, January 7th, 2027
Outbound Flights
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