Cheapest return flights from Seoul to San Francisco in December from 331€

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

Return flights

16 Dec - 04 Jan Air Canada
17 Dec - 29 Dec United direct
15 Dec - 29 Dec United direct
16 Dec - 13 Jan Air Canada
10 Dec - 29 Dec United direct
12 Dec - 29 Dec United direct
15 Dec - 31 Dec United direct
05 Dec - 29 Dec United direct
10 Dec - 04 Jan United direct
10 Dec - 05 Jan United direct
17 Dec - 31 Dec United direct
15 Dec - 02 Jan Air Premia direct
09 Dec - 27 Jan Air Canada
22 Dec - 29 Dec Air Premia direct
21 Dec - 29 Dec Air Premia direct
21 Dec - 31 Dec Air Premia direct
22 Dec - 02 Jan Air Premia direct
21 Dec - 04 Jan Air Premia direct
18 Dec - 03 Jan Air Canada
22 Dec - 05 Jan Air Premia direct

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

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