Cheapest return flights from San Francisco to Seoul in October from $632

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

Return flights

01 Oct - 12 Oct Flair Airlines
01 Oct - 08 Oct Flair Airlines
29 Oct - 03 Nov Air Premia direct
01 Oct - 13 Oct Flair Airlines
01 Oct - 08 Oct Air Premia direct
15 Oct - 22 Oct Air Premia direct
05 Oct - 19 Oct Air Premia direct
01 Oct - 13 Oct Air Premia direct
19 Oct - 26 Oct Air Premia direct
15 Oct - 31 Oct Air Premia direct
17 Oct - 24 Oct Air Premia direct
17 Oct - 07 Nov Air Premia direct
26 Oct - 02 Nov Air Premia direct
24 Oct - 02 Nov Air Premia direct
24 Oct - 03 Nov Air Premia direct
17 Oct - 23 Nov Air Premia direct
19 Oct - 23 Nov Air Premia direct
20 Oct - 23 Nov Air Premia direct
29 Oct - 02 Nov Air Premia direct
15 Oct - 17 Nov Air Premia 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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