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United flights from Washington to Seattle (IAD→SEA)
Prices were available within the past 7 days and start at CA $274 for one-way flights and CA $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct. 8 - Tue, Oct. 14
IAD
Washington
SEA
Seattle
CA $519 Roundtrip, found 12 hours ago
CA $519
Roundtrip
found 12 hours ago
Origin airport | Washington Dulles Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United |
Popular airline | Alaska Airlines |
Distance | 3679 km |
Average flight time | 2 hours 48 mins |
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