Cheapest one-way flights from Seattle (SEA) to Seoul (ICN), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
20 Oct Alaska Airlines
21 Oct Alaska Airlines
07 Oct Alaska Airlines
01 Oct Alaska Airlines
20 Oct Asiana Airlines
Direct Flight
21 Oct Asiana Airlines
Direct Flight
07 Oct Asiana Airlines
Direct Flight
02 Oct Alaska Airlines
15 Oct ANA
04 Oct China Airlines
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deals for return flights from Seattle to Seoul in October.

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Updated May 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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