Cheapest return flights from Seattle to Seoul in October from 709€

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

Return flights

01 Oct - 14 Oct Air Canada
02 Oct - 11 Oct Air Canada
01 Oct - 19 Oct Air Canada
15 Oct - 22 Oct Air Canada
13 Oct - 19 Oct China Airlines
19 Oct - 09 Nov WestJet
17 Oct - 26 Oct WestJet
15 Oct - 09 Nov China Airlines
18 Oct - 12 Nov Air Canada
18 Oct - 26 Oct Air Canada
04 Oct - 19 Oct Alaska Airlines
13 Oct - 31 Oct Hawaiian Airlines
02 Oct - 06 Oct Air Canada
31 Oct - 11 Nov Asiana Airlines
18 Oct - 12 Nov Asiana Airlines direct
19 Oct - 09 Nov Delta direct
26 Oct - 16 Nov Delta direct
01 Oct - 05 Nov Delta direct
08 Oct - 05 Nov Delta direct
31 Oct - 11 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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