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

Return flights

01 Jun - 08 Jun	Flair Airlines
10 Jun - 17 Jun	Flair Airlines
10 Jun - 16 Jun	Flair Airlines
04 Jun - 15 Jun	WestJet
02 Jun - 18 Jun	WestJet
01 Jun - 30 Jun	Flair Airlines
03 Jun - 17 Jun	Flair Airlines
07 Jun - 23 Jun	WestJet
02 Jun - 16 Jun	WestJet
09 Jun - 19 Jun	WestJet
29 Jun - 13 Jul	China Eastern
07 Jun - 04 Jul	WestJet
18 Jun - 06 Jul	WestJet
15 Jun - 06 Jul	WestJet
16 Jun - 06 Jul	WestJet
24 Jun - 22 Jul	Zipair
24 Jun - 01 Jul	Zipair
18 Jun - 05 Jul	WestJet
06 Jun - 04 Jul	WestJet
21 Jun - 06 Jul	Zipair

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

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 June from $800

Return flights