Cheapest return flights from Seattle to Seoul in October from 932€

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

27 Oct - 25 Nov Air Canada
14 Oct - 28 Oct Air Canada
15 Oct - 26 Oct Air Canada
03 Oct - 13 Oct Air Canada
20 Oct - 02 Nov China Airlines
03 Oct - 18 Oct Air Canada
03 Oct - 02 Nov Air Canada
15 Oct - 26 Oct Asiana Airlines direct
27 Oct - 25 Nov Asiana Airlines direct
20 Oct - 02 Nov Asiana Airlines direct
14 Oct - 28 Oct Korean Air direct
03 Oct - 13 Oct Delta direct
03 Oct - 18 Oct Asiana Airlines direct
03 Oct - 02 Nov Asiana Airlines direct
10 Oct - 25 Oct China Airlines
10 Oct - 25 Oct 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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