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

Return flights

04 Feb - 07 Feb	Air Premia	direct
14 Feb - 21 Feb	Air Premia	direct
25 Feb - 18 Mar	Air Premia	direct
16 Feb - 24 Feb	Air Premia
06 Feb - 15 Feb	Air Premia	direct
14 Feb - 22 Feb	Air Premia	direct
11 Feb - 22 Feb	Air Premia	direct
13 Feb - 18 Feb	Air Canada
12 Feb - 21 Feb	Air Canada
07 Feb - 28 Feb	Air Canada
24 Feb - 24 Mar	Air Canada
07 Feb - 28 Feb	Air Premia	direct
24 Feb - 24 Mar	United	direct

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

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.

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Cheapest return flights from San Francisco to Seoul in February from $637

Return flights