Cheapest return flights from San Francisco to Seoul in September from 559€

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

Return flights

10 Sep - 17 Sep Air Premia direct
15 Sep - 22 Sep Air Premia direct
14 Sep - 21 Sep Air Premia direct
24 Sep - 15 Oct Air Premia direct
10 Sep - 11 Oct Air Premia direct
28 Sep - 15 Oct Air Premia direct
28 Sep - 12 Oct Air Premia direct
10 Sep - 12 Sep United direct
15 Sep - 23 Sep United direct
18 Sep - 24 Sep United direct
11 Sep - 18 Sep United direct
16 Sep - 18 Sep United direct
11 Sep - 20 Sep United direct
11 Sep - 26 Sep United direct
26 Sep - 11 Oct United direct
24 Sep - 07 Oct United direct
27 Sep - 07 Oct United direct
28 Sep - 09 Oct United direct
17 Sep - 14 Oct United direct
16 Sep - 08 Oct United direct

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

Skyscanner

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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