Cheapest one-way flights from Seattle to Seoul in October from 365€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Seoul (ICN) in October 2025 (see full year).

One-Way flights

05 Oct Asiana Airlines direct
20 Oct Asiana Airlines direct
31 Oct Asiana Airlines direct
26 Oct Air Canada
02 Oct Air Canada
13 Oct Korean Air direct
06 Oct Korean Air direct
26 Oct Korean Air direct
03 Oct Korean Air direct
18 Oct Korean Air direct

Also check the deals for return flights from Seattle to Seoul in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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