Seattle / Tacoma (SEA) to Washington (IAD) flight deal in economy from $154
Seattle–Tacoma International Airport
Seattle / Tacoma, United States
Washington Dulles International Airport
Washington, United States
$291 USD
-47%$154 USD
Verified 2 days agoNovember 2026
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Rare Availability
5% of dates checked are available within 10% of the lowest price
Tuesday, November 3rd, 2026
No flight details available for this date.
