Cheapest return flights from San Francisco to Seoul in September from $604

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

Return flights

01 Sep - 13 Sep Philippine Airlines
17 Sep - 07 Oct Philippine Airlines
20 Sep - 23 Sep Philippine Airlines
05 Sep - 19 Sep Philippine Airlines
18 Sep - 26 Sep EVA Air
01 Sep - 13 Sep Asiana Airlines direct
20 Sep - 23 Sep Korean Air direct
05 Sep - 19 Sep Asiana Airlines direct
18 Sep - 26 Sep Asiana Airlines 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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