Cheapest return flights from Seattle to Seoul in October from $908

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

19 Oct - 21 Oct Air Canada
01 Oct - 08 Oct EVA Air
01 Oct - 17 Oct Air Canada
02 Oct - 18 Oct Air Canada
26 Oct - 31 Oct Air Canada
22 Oct - 25 Oct Air Canada
31 Oct - 14 Nov Alaska Airlines
16 Oct - 31 Oct Air Canada
16 Oct - 01 Nov Air Canada
17 Oct - 01 Nov Air Canada
31 Oct - 15 Nov Air Canada
02 Oct - 10 Oct EVA Air
03 Oct - 09 Oct EVA Air
07 Oct - 14 Oct EVA Air
31 Oct - 14 Nov Delta direct
31 Oct - 15 Nov Delta direct
17 Oct - 01 Nov Delta direct
16 Oct - 01 Nov Asiana Airlines direct
08 Oct - 05 Nov Delta 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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