Alaska Airlines, Inc.ASAlaska Airlines, Inc.
One Way•Economy
United StatesIAD

Washington Dulles International Airport

Washington, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$206 USD
-47%$110 USD
Verified Sep 25, 2025 at 6:12 PM
Limited Availability
16% of dates checked are available within 10% of the lowest price

Friday, September 26th, 2025

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