Cheapest return flights from San Francisco to Seoul in October from $624

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in October 2026 (see full year).

Return flights

13 Oct - 22 Oct Cathay Pacific
05 Oct - 12 Oct Cathay Pacific
03 Oct - 10 Oct Air Premia direct
05 Oct - 16 Oct Air Premia direct
09 Oct - 16 Oct Air Premia direct
10 Oct - 21 Oct Air Premia direct
11 Oct - 21 Oct Air Premia direct
07 Oct - 12 Oct Air Premia direct
05 Oct - 12 Oct Air Premia direct
11 Oct - 24 Oct Air Premia direct
28 Oct - 04 Nov Air Premia direct
30 Oct - 15 Nov Air Premia direct
24 Oct - 07 Nov Air Premia direct
15 Oct - 04 Nov United direct
15 Oct - 05 Nov United direct

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

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