Cheapest return flights from San Francisco to Seoul in September from 916€

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

25 Sep - 29 Sep Alaska Airlines
06 Sep - 20 Sep Vietnam Airlines
25 Sep - 23 Oct China Airlines
04 Sep - 02 Oct EVA Air
28 Sep - 05 Oct EVA Air
25 Sep - 29 Sep Asiana Airlines direct
25 Sep - 23 Oct Asiana Airlines direct
04 Sep - 02 Oct United direct
12 Sep - 29 Sep Delta direct
28 Sep - 05 Oct Asiana Airlines direct
06 Sep - 20 Sep Delta 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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