Cheapest return flights from San Francisco to Seoul in January from $597

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

Return flights

28 Jan - 04 Feb Air Premia direct
26 Jan - 06 Feb Air Premia direct
28 Jan - 06 Feb Air Premia direct
24 Jan - 07 Feb Air Premia direct
28 Jan - 07 Feb Air Premia direct
31 Jan - 08 Feb Air Premia direct
31 Jan - 04 Feb Air Premia direct
31 Jan - 06 Feb Air Premia direct
31 Jan - 07 Feb Air Premia direct
30 Jan - 20 Feb Air Premia direct
26 Jan - 29 Jan United direct

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

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