Cheapest return flights from San Francisco to Seoul in October from $658

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

15 Oct - 29 Oct Hawaiian Airlines
03 Oct - 09 Oct United direct
01 Oct - 08 Oct United direct
31 Oct - 19 Nov Hawaiian Airlines
15 Oct - 29 Oct United direct
13 Oct - 22 Oct United direct
13 Oct - 21 Oct United direct
21 Oct - 28 Oct United direct
13 Oct - 17 Nov United direct
27 Oct - 23 Nov United direct
25 Oct - 02 Nov United direct
19 Oct - 02 Nov United direct
31 Oct - 05 Nov Air Premia direct
31 Oct - 19 Nov United direct
28 Oct - 04 Nov United direct
20 Oct - 10 Nov United direct
01 Oct - 22 Nov United direct
22 Oct - 24 Oct United direct
01 Oct - 13 Oct Alaska Airlines
01 Oct - 12 Oct Alaska Airlines

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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