Cheapest return flights from San Francisco to Seoul in January from $636

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

Return flights

12 Jan - 26 Jan Air Premia direct
04 Jan - 18 Jan Air Premia direct
12 Jan - 24 Jan Air Premia direct
11 Jan - 17 Jan Air Premia direct
17 Jan - 24 Jan Air Premia direct
04 Jan - 17 Jan Air Premia direct
16 Jan - 18 Jan Air Premia direct
11 Jan - 18 Jan Air Premia direct
05 Jan - 16 Jan Air Premia direct
04 Jan - 31 Jan Air Premia direct
12 Jan - 16 Feb Air Premia direct
31 Jan - 07 Feb Air Premia direct
21 Jan - 02 Feb Air Premia direct
28 Jan - 04 Feb Air Premia direct
28 Jan - 02 Feb Air Premia direct
16 Jan - 07 Feb Air Premia direct
30 Jan - 20 Feb Air Premia direct
12 Jan - 01 Feb Air Premia direct
29 Jan - 01 Feb China Eastern
09 Jan - 10 Feb Air Premia

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

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.