Cheap flights from Seoul to Northwest Washington

View AU$814 flight on Wed, 17 Sep. 2025Opens in a new window

Popular airlines from Seoul to Northwest Washington

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seoul (SEL) to Northwest Washington (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 26 Oct. - Tue, 4 Nov.
ICN
Seoul
SEA
Seattle
AU$779 Return, found 2 days ago
AU$779
Return
found 2 days ago
Select Alaska Airlines flight, departing Sun, 26 Oct. from Seoul to Seattle, returning Tue, 4 Nov., priced at AU$779 found 2 days ago
Hawaiian Airlines
Sun, 26 Oct. - Tue, 4 Nov.
ICN
Seoul
SEA
Seattle
AU$779 Return, found 2 days ago
AU$779
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Sun, 26 Oct. from Seoul to Seattle, returning Tue, 4 Nov., priced at AU$779 found 2 days ago
Hawaiian Airlines
Thu, 25 Sep. - Thu, 2 Oct.
ICN
Seoul
SEA
Seattle
AU$806 Return, found 23 hours ago
AU$806
Return
found 23 hours ago
Select Hawaiian Airlines flight, departing Thu, 25 Sep. from Seoul to Seattle, returning Thu, 2 Oct., priced at AU$806 found 23 hours ago
United
Thu, 16 Oct. - Wed, 22 Oct.
ICN
Seoul
SEA
Seattle
AU$848 Return, found 3 days ago
AU$848
Return
found 3 days ago
Select United flight, departing Thu, 16 Oct. from Seoul to Seattle, returning Wed, 22 Oct., priced at AU$848 found 3 days ago
Asiana Airlines
Sun, 26 Oct. - Tue, 4 Nov.
ICN
Seoul
SEA
Seattle
AU$884 Return, found 2 days ago
AU$884
Return
found 2 days ago
Select Asiana Airlines flight, departing Sun, 26 Oct. from Seoul to Seattle, returning Tue, 4 Nov., priced at AU$884 found 2 days ago
Delta
Thu, 25 Sep. - Thu, 2 Oct.
ICN
Seoul
SEA
Seattle
AU$912 Return, found 23 hours ago
AU$912
Return
found 23 hours ago
Select Delta flight, departing Thu, 25 Sep. from Seoul to Seattle, returning Thu, 2 Oct., priced at AU$912 found 23 hours ago
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