AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN)
in September 2025 (see full year ).
Return flights
01 Sep
- 19 Sep
Air Premia
$ 636
direct
07 Sep
- 21 Sep
Air Premia
$ 636
direct
07 Sep
- 14 Sep
Air Premia
$ 636
direct
07 Sep
- 24 Sep
Air Premia
$ 636
direct
03 Sep
- 17 Sep
Air Premia
$ 636
direct
07 Sep
- 22 Sep
Air Premia
$ 636
direct
05 Sep
- 14 Sep
Air Premia
$ 636
direct
15 Sep
- 24 Sep
Air Premia
$ 644
direct
01 Sep
- 08 Sep
Air Premia
$ 644
direct
13 Sep
- 19 Sep
Alaska Airlines
$ 650
24 Sep
- 15 Oct
United
$ 653
direct
27 Sep
- 11 Oct
Alaska Airlines
$ 659
22 Sep
- 13 Oct
United
$ 661
direct
20 Sep
- 12 Oct
Asiana Airlines
$ 752
direct
27 Sep
- 05 Oct
United
$ 765
direct
24 Sep
- 01 Oct
Air Premia
$ 806
27 Sep
- 11 Oct
United
$ 806
direct
27 Sep
- 04 Oct
United
$ 850
direct
19 Sep
- 04 Oct
United
$ 855
direct
17 Sep
- 01 Oct
Air Premia
$ 882
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.