Cheapest return flights from San Francisco to Seoul in January from $628

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

Return flights

16 Jan - 28 Jan Air Premia direct
18 Jan - 24 Jan Air Premia direct
18 Jan - 30 Jan Air Premia direct
18 Jan - 25 Jan Air Premia direct
16 Jan - 30 Jan Air Premia direct
18 Jan - 01 Feb Air Premia direct
07 Jan - 21 Jan Air Premia direct
26 Jan - 02 Feb Air Premia direct
26 Jan - 18 Feb Air Premia direct
25 Jan - 03 Feb Philippine Airlines
15 Jan - 29 Jan Alaska Airlines
17 Jan - 29 Jan Alaska Airlines
11 Jan - 18 Jan Hawaiian Airlines
09 Jan - 18 Jan Alaska Airlines
26 Jan - 19 Feb United direct
25 Jan - 03 Feb United direct
29 Jan - 16 Feb Hawaiian Airlines
29 Jan - 16 Feb Delta direct

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

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