Cheapest return flights from San Francisco to Seoul in September from $617
AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN)
in September 2025 (see full year ).
Return flights
16 Sep
- 08 Oct
Flair Airlines
$ 617
17 Sep
- 14 Oct
Air China
$ 633
05 Sep
- 14 Sep
Air Premia
$ 637
direct
24 Sep
- 29 Oct
Air Premia
$ 637
direct
10 Sep
- 17 Sep
Air Premia
$ 639
direct
07 Sep
- 24 Sep
Air Premia
$ 639
direct
17 Sep
- 29 Sep
Air Premia
$ 639
direct
10 Sep
- 24 Sep
Air Premia
$ 639
direct
08 Sep
- 19 Sep
Air Premia
$ 639
direct
17 Sep
- 22 Sep
Air Premia
$ 639
direct
07 Sep
- 22 Sep
Air Premia
$ 639
direct
08 Sep
- 14 Sep
Air Premia
$ 639
direct
07 Sep
- 14 Sep
Air Premia
$ 639
direct
24 Sep
- 15 Oct
Air Premia
$ 650
direct
29 Sep
- 08 Oct
Air Premia
$ 650
direct
28 Sep
- 19 Oct
Air Premia
$ 653
direct
26 Sep
- 05 Oct
United
$ 658
direct
17 Sep
- 14 Oct
United
$ 658
direct
16 Sep
- 08 Oct
United
$ 658
direct
30 Sep
- 07 Oct
United
$ 658
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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