Cheapest return flights from San Francisco to Seoul in May from $576

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

Return flights

06 May - 03 Jun China Southern
06 May - 20 May China Southern
01 May - 20 May China Southern
01 May - 19 May China Southern
01 May - 17 May China Southern
05 May - 19 May China Southern
04 May - 11 May Air Premia direct
03 May - 18 May Air Premia direct
01 May - 08 May Air Premia direct
04 May - 18 May Air Premia direct
03 May - 06 May Air Premia direct
05 May - 18 Jun United direct
06 May - 03 Jun Air Premia direct
09 May - 06 Jun Air Premia direct
09 May - 30 Jun Air Premia
05 May - 17 Jun United direct
25 May - 08 Jun Zipair
19 May - 30 Jun Zipair
06 May - 17 Jun Air Premia
07 May - 18 Jun Air Canada

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

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