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
$216 USD
-44%$120 USD
Verified Nov 29, 2025 at 2:09 AM
Fair Availability
20% of dates checked are available within 10% of the lowest price

Saturday, January 17th, 2026

Outbound Flights

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6h 4m·Nonstop
$485 USD
Alaska Airlines, Inc.
IADJan 17 18:04
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SEAJan 17 21:08
AS 406Boeing 737MAX 9 Passenger
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