Cheap flights from Incheon to North Seattle

View AU$813 flight on Fri, 26 Sep. 2025Opens in a new window

Popular airlines from Incheon to North Seattle

  • American Airlines

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  • Alaska Airlines

    Alaska Airlines

  • EVA Airways

    EVA Airways

  • China Airlines

    China Airlines

  • Cathay Pacific

    Cathay Pacific

  • Delta

    Delta

  • Japan Airlines

    Japan Airlines

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Cheap Flights from Incheon (SEL) to North Seattle (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
Thu, 16 Oct. - Wed, 22 Oct.
ICN
Seoul
SEA
Seattle
AU$779 Return, found 8 hours ago
AU$779
Return
found 8 hours ago
Select Alaska Airlines flight, departing Thu, 16 Oct. from Seoul to Seattle, returning Wed, 22 Oct., priced at AU$779 found 8 hours ago
United
Thu, 16 Oct. - Wed, 22 Oct.
ICN
Seoul
SEA
Seattle
AU$848 Return, found 8 hours ago
AU$848
Return
found 8 hours ago
Select United flight, departing Thu, 16 Oct. from Seoul to Seattle, returning Wed, 22 Oct., priced at AU$848 found 8 hours ago
Delta
Thu, 16 Oct. - Wed, 22 Oct.
ICN
Seoul
SEA
Seattle
AU$914 Return, found 8 hours ago
AU$914
Return
found 8 hours ago
Select Delta flight, departing Thu, 16 Oct. from Seoul to Seattle, returning Wed, 22 Oct., priced at AU$914 found 8 hours ago
Korean Air
Thu, 16 Oct. - Wed, 22 Oct.
ICN
Seoul
SEA
Seattle
AU$979 Return, found 8 hours ago
AU$979
Return
found 8 hours ago
Select Korean Air flight, departing Thu, 16 Oct. from Seoul to Seattle, returning Wed, 22 Oct., priced at AU$979 found 8 hours ago
Air Canada
Mon, 8 Sep. - Wed, 17 Sep.
ICN
Seoul
SEA
Seattle
AU$1,020 Return, found 4 days ago
AU$1,020
Return
found 4 days ago
Select Air Canada flight, departing Mon, 8 Sep. from Seoul to Seattle, returning Wed, 17 Sep., priced at AU$1,020 found 4 days ago
Asiana Airlines
Thu, 16 Oct. - Wed, 22 Oct.
ICN
Seoul
SEA
Seattle
AU$1,198 Return, found 8 hours ago
AU$1,198
Return
found 8 hours ago
Select Asiana Airlines flight, departing Thu, 16 Oct. from Seoul to Seattle, returning Wed, 22 Oct., priced at AU$1,198 found 8 hours ago

Find the cheapest month to fly from Seoul (ICN) to Seattle (SEA)

November is typically the cheapest month to fly

From AU$716 - AU$1,146 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.