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

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesIAD

Washington Dulles International Airport

Washington, United States
$216 USD
-44%$120 USD
Verified Nov 29, 2025 at 2:09 AM
Limited Availability
13% of dates checked are available within 10% of the lowest price

Thursday, January 29th, 2026

Outbound Flights

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17h 43m·1 stop
$490 USD
Alaska Airlines, Inc.
SEAJan 29 20:21
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SANJan 29 23:09
AS 1369Boeing 737MAX 9 Passenger
10h 1m layover·Overnight
Alaska Airlines, Inc.
SANJan 30 09:10
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IADJan 30 17:04
AS 506Boeing 737MAX 9 Passenger
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