Cheapest return flights from San Francisco to Seoul in October from $657

Best time to book flights for San Francisco (SFO) to Seoul (ICN) flights at AirHint

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

Return flights

31 Oct - 12 Nov Hawaiian Airlines
16 Oct - 23 Oct Alaska Airlines
24 Oct - 05 Nov Alaska Airlines
24 Oct - 07 Nov Alaska Airlines
02 Oct - 13 Oct United direct
05 Oct - 19 Oct United direct
01 Oct - 07 Oct United direct
25 Oct - 08 Nov United direct
17 Oct - 14 Nov Hawaiian Airlines
03 Oct - 13 Oct Alaska Airlines
19 Oct - 31 Oct Alaska Airlines
04 Oct - 11 Oct Alaska Airlines
19 Oct - 26 Oct Alaska Airlines
17 Oct - 31 Oct Alaska Airlines
15 Oct - 14 Nov United direct
02 Oct - 09 Oct United direct
24 Oct - 05 Nov Asiana Airlines direct
24 Oct - 07 Nov Asiana Airlines direct
30 Oct - 12 Nov Asiana Airlines direct
17 Oct - 14 Nov United direct

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