Cheapest return flights from Seattle to Seoul in October from 678€

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

Return flights

01 Oct - 22 Oct Air Canada
26 Oct - 04 Nov Air Canada
02 Oct - 09 Oct Air Canada
03 Oct - 16 Oct Air Canada
04 Oct - 27 Oct Air Canada
03 Oct - 11 Oct Air Canada
04 Oct - 19 Oct Air Canada
03 Oct - 16 Oct Delta direct
02 Oct - 09 Oct Delta direct
01 Oct - 22 Oct Delta direct
26 Oct - 04 Nov Delta direct
04 Oct - 19 Oct Asiana Airlines direct
18 Oct - 18 Nov Delta direct
08 Oct - 05 Nov Hawaiian Airlines
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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