Cheapest return flights from Seattle to Seoul in October from $765

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN) in October 2026 (see full year).

Return flights

25 Oct - 07 Nov Air Canada
17 Oct - 31 Oct Asiana Airlines
27 Oct - 21 Nov Asiana Airlines
17 Oct - 31 Oct Korean Air direct
27 Oct - 21 Nov Korean Air direct
09 Oct - 23 Oct Korean Air direct
25 Oct - 07 Nov Korean Air direct
20 Oct - 30 Oct Asiana Airlines direct
19 Oct - 25 Oct Delta direct

Also check the deals for one-way flights from Seattle to Seoul in October.

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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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