Cheapest return flights from Seattle (SEA) to Seoul (ICN), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
06 Oct 17 Nov Cathay Pacific
02 Oct 13 Nov Qatar Airways
31 Oct 14 Nov Alaska Airlines
02 Oct 13 Nov Asiana Airlines
Direct Flight
15 Oct 17 Oct Delta
Direct Flight
06 Oct 17 Nov Delta
Direct Flight
07 Oct 09 Oct Delta
Direct Flight
31 Oct 14 Nov Delta
Direct Flight
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deals for one-way flights from Seattle to Seoul in October.

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Updated May 21, 2026.

About these fares

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