Cheapest return flights from Seoul to San Francisco in September from $675

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

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

Return flights

19 Sep - 01 Oct Air Canada
08 Sep - 19 Sep Air Premia direct
21 Sep - 28 Sep Air Premia direct
05 Sep - 12 Sep Air Premia direct
05 Sep - 21 Sep Air Premia direct
14 Sep - 19 Sep Air Premia direct
24 Sep - 15 Oct Air Premia direct
17 Sep - 26 Sep Hawaiian Airlines
24 Sep - 02 Oct Hawaiian Airlines
19 Sep - 01 Oct Asiana Airlines direct
19 Sep - 02 Oct Hawaiian Airlines
20 Sep - 29 Sep Hawaiian Airlines
20 Sep - 01 Oct Hawaiian Airlines
03 Sep - 10 Sep China Airlines
01 Sep - 30 Sep China Airlines
18 Sep - 30 Sep China Airlines
21 Sep - 13 Oct China Airlines
24 Sep - 13 Oct China Airlines
24 Sep - 14 Oct China Airlines
30 Sep - 14 Oct China Airlines

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