Cheapest return flights from Seattle to Seoul in October from $965

Best time to book flights for Seattle (SEA) to Seoul (ICN) flights at AirHint

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

Return flights

21 Oct - 03 Nov Air Canada
23 Oct - 05 Nov Air Canada
06 Oct - 23 Oct EVA Air
30 Oct - 14 Nov Air Canada
19 Oct - 24 Oct Air Canada
19 Oct - 01 Nov Air Canada
23 Oct - 01 Nov Air Canada
02 Oct - 15 Oct EVA Air
06 Oct - 18 Oct EVA Air
30 Oct - 14 Nov Asiana Airlines direct
02 Oct - 15 Oct Asiana Airlines direct
21 Oct - 03 Nov Asiana Airlines direct
23 Oct - 01 Nov Asiana Airlines direct
23 Oct - 05 Nov Asiana Airlines direct
06 Oct - 18 Oct Asiana Airlines direct
06 Oct - 23 Oct Asiana Airlines direct
26 Oct - 31 Oct Asiana Airlines direct
19 Oct - 24 Oct Asiana Airlines direct
19 Oct - 01 Nov Asiana Airlines direct

Also check the deals for one-way 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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