Cheapest return flights from Seoul to San Francisco in October from $394

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

Return flights

13 Oct - 27 Oct Air Premia direct
13 Oct - 22 Oct Air Premia direct
24 Oct - 27 Oct Air Premia direct
19 Oct - 27 Oct Air Premia direct
13 Oct - 20 Oct Air Premia direct
22 Oct - 27 Oct Air Premia direct
20 Oct - 27 Oct Air Premia direct
30 Oct - 06 Nov Alaska Airlines
15 Oct - 29 Oct Air Premia direct
17 Oct - 23 Oct Alaska Airlines
20 Oct - 31 Oct Air Premia direct
31 Oct - 07 Nov Alaska Airlines
29 Oct - 03 Nov Air Premia direct
26 Oct - 02 Nov Air Premia direct
22 Oct - 05 Nov Air Premia direct
31 Oct - 07 Nov Air Premia direct
29 Oct - 09 Nov Air Premia direct
31 Oct - 03 Nov Air Premia direct
31 Oct - 10 Nov Air Premia direct
27 Oct - 07 Nov Air Premia direct

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