Cheapest return flights from San Francisco to Seoul in January from $625

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

Return flights

15 Jan - 29 Jan China Southern
04 Jan - 23 Jan Air Premia direct
07 Jan - 18 Jan Air Premia direct
02 Jan - 17 Jan Air Premia direct
10 Jan - 23 Jan Air Premia direct
28 Jan - 04 Feb Air Premia direct
10 Jan - 17 Jan Air Premia direct
03 Jan - 16 Jan Air Premia direct
05 Jan - 31 Jan Air Premia direct
11 Jan - 04 Feb Air Premia direct
18 Jan - 30 Jan Air Premia direct
26 Jan - 31 Jan Air Premia direct
16 Jan - 07 Feb Air Premia direct
28 Jan - 07 Feb Air Premia direct
20 Jan - 04 Feb China Southern
22 Jan - 09 Feb China Southern
20 Jan - 04 Feb United direct
25 Jan - 05 Feb United direct
22 Jan - 09 Feb United direct
22 Jan - 12 Feb United direct

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

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