Cheapest return flights from San Francisco to Seoul in September from 556€

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

Return flights

01 Sep - 08 Sep Air Premia direct
07 Sep - 21 Sep Air Premia direct
07 Sep - 24 Sep Air Premia direct
19 Sep - 24 Sep Air Premia direct
07 Sep - 22 Sep Air Premia direct
10 Sep - 17 Sep Air Premia direct
05 Sep - 19 Sep Air Premia direct
05 Sep - 12 Sep Air Premia direct
10 Sep - 24 Sep Air Premia direct
17 Sep - 08 Oct Air Premia direct
24 Sep - 24 Oct Air Premia direct
03 Sep - 10 Sep Air Premia direct
29 Sep - 13 Oct Air Premia direct
19 Sep - 08 Oct Air Premia direct
24 Sep - 15 Oct Air Premia direct
30 Sep - 14 Oct United direct
10 Sep - 21 Oct United direct
12 Sep - 08 Oct Air Premia
17 Sep - 14 Oct Air Premia
16 Sep - 08 Oct Flair Airlines

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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