Flights to Northwest Washington from Incheon - ￥64,520

View ￥64,520 flight on Fri, Oct 24, 2025Opens in a new window

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Cheap Flights from Incheon to Northwest Washington (SEL-SEA)

Prices were available within the past 7 days and start at ￥64,520 for one-way flights and ￥84,810 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sun, Sep 14 - Sun, Sep 21
ICN
Seoul
SEA
Seattle
￥84,810 Roundtrip, found 3 days ago
￥84,810
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Sep 14 from Seoul to Seattle, returning Sun, Sep 21, priced at ￥84,810 found 3 days ago
Air Canada
Tue, Sep 9 - Mon, Sep 15
ICN
Seoul
SEA
Seattle
￥87,000 Roundtrip, found 2 hours ago
￥87,000
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Tue, Sep 9 from Seoul to Seattle, returning Mon, Sep 15, priced at ￥87,000 found 2 hours ago
Delta
Thu, Sep 11 - Sat, Sep 13
ICN
Seoul
SEA
Seattle
￥87,620 Roundtrip, found 2 days ago
￥87,620
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 11 from Seoul to Seattle, returning Sat, Sep 13, priced at ￥87,620 found 2 days ago
Asiana Airlines
Tue, Sep 9 - Mon, Sep 15
ICN
Seoul
SEA
Seattle
￥88,040 Roundtrip, found 2 hours ago
￥88,040
Roundtrip
found 2 hours ago
Select Asiana Airlines flight, departing Tue, Sep 9 from Seoul to Seattle, returning Mon, Sep 15, priced at ￥88,040 found 2 hours ago
United
Sun, Sep 21 - Mon, Sep 29
ICN
Seoul
SEA
Seattle
￥88,500 Roundtrip, found 2 hours ago
￥88,500
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Sep 21 from Seoul to Seattle, returning Mon, Sep 29, priced at ￥88,500 found 2 hours ago
Korean Air
Sun, Sep 21 - Mon, Sep 29
ICN
Seoul
SEA
Seattle
￥90,880 Roundtrip, found 2 hours ago
￥90,880
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Sun, Sep 21 from Seoul to Seattle, returning Mon, Sep 29, priced at ￥90,880 found 2 hours ago
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