Cheapest return flights from San Francisco to Seoul in September from $879

Best time to book flights for San Francisco (SFO) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in September 2025 (see full year).

Return flights

17 Sep - 19 Oct Vietnam Airlines
07 Sep - 14 Sep Vietnam Airlines
06 Sep - 20 Sep Vietnam Airlines
23 Sep - 30 Sep ANA
01 Sep - 14 Sep EVA Air
19 Sep - 26 Sep Zipair
17 Sep - 19 Oct Air Premia direct
01 Sep - 13 Sep Air Premia
01 Sep - 14 Sep Air Premia direct
19 Sep - 26 Sep Air Premia direct
07 Sep - 14 Sep Air Premia direct
01 Sep - 13 Sep Air Premia direct

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

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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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