Cheapest return flights from San Francisco to Seoul in October from $620

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

Return flights

03 Oct - 11 Oct Air Premia direct
01 Oct - 12 Oct Air Premia direct
01 Oct - 15 Oct Air Premia direct
03 Oct - 17 Oct Air Premia direct
01 Oct - 31 Oct Air Premia direct
29 Oct - 12 Nov Air China
05 Oct - 20 Oct Air Premia direct
20 Oct - 27 Oct Air Premia direct
01 Oct - 08 Oct Air Premia direct
05 Oct - 19 Oct Air Premia direct
01 Oct - 13 Oct Air Premia direct
22 Oct - 05 Nov Air Premia direct
26 Oct - 10 Nov Air Premia direct
29 Oct - 12 Nov Air Premia direct
31 Oct - 15 Nov United direct
24 Oct - 08 Nov Hawaiian Airlines
17 Oct - 01 Nov Hawaiian Airlines
01 Oct - 22 Nov Hawaiian Airlines
25 Oct - 08 Nov Hawaiian Airlines
27 Oct - 13 Nov United direct

Also check the deals for one-way flights from San Francisco 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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