Cheapest return flights from San Francisco to Seoul in September from $638
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
$ 638
direct
03 Sep
- 24 Sep
Air Premia
$ 638
direct
01 Sep
- 22 Sep
Air Premia
$ 638
direct
07 Sep
- 22 Sep
Air Premia
$ 638
direct
19 Sep
- 21 Sep
Air Premia
$ 638
direct
15 Sep
- 22 Sep
Air Premia
$ 638
direct
05 Sep
- 12 Sep
Air Premia
$ 638
direct
07 Sep
- 14 Sep
Air Premia
$ 638
direct
05 Sep
- 21 Sep
Air Premia
$ 638
direct
26 Sep
- 12 Oct
Air Premia
$ 638
direct
01 Sep
- 21 Sep
Air Premia
$ 640
direct
29 Sep
- 13 Oct
Air Premia
$ 640
direct
22 Sep
- 29 Oct
Air Premia
$ 640
direct
28 Sep
- 12 Oct
Air Premia
$ 640
direct
30 Sep
- 22 Oct
United
$ 662
direct
17 Sep
- 14 Oct
United
$ 664
direct
23 Sep
- 31 Oct
United
$ 664
direct
11 Sep
- 01 Oct
United
$ 664
direct
16 Sep
- 08 Oct
Flair Airlines
$ 784
26 Sep
- 05 Oct
Air Premia
$ 830
direct
Also check the deals for one-way flights from San Francisco to Seoul in September .
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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