Cheapest return flights from Seoul to San Francisco in September from $856

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

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

Return flights

19 Sep - 26 Sep EVA Air
24 Sep - 31 Oct EVA Air
09 Sep - 23 Sep EVA Air
19 Sep - 22 Sep EVA Air
12 Sep - 14 Sep EVA Air
13 Sep - 21 Sep EVA Air
10 Sep - 21 Sep EVA Air
12 Sep - 28 Sep EVA Air
19 Sep - 25 Sep EVA Air
10 Sep - 17 Sep EVA Air
13 Sep - 19 Sep EVA Air
27 Sep - 02 Oct EVA Air
24 Sep - 12 Oct EVA Air
24 Sep - 13 Oct EVA Air
10 Sep - 20 Oct EVA Air
25 Sep - 14 Oct ANA
25 Sep - 13 Oct ANA
28 Sep - 03 Oct ANA
30 Sep - 09 Oct ANA
01 Sep - 13 Oct ANA

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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