AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN)
in October 2025 (see full year ).
Return flights
31 Oct
- 12 Nov
Hawaiian Airlines
$ 657
16 Oct
- 23 Oct
Alaska Airlines
$ 659
24 Oct
- 05 Nov
Alaska Airlines
$ 659
24 Oct
- 07 Nov
Alaska Airlines
$ 659
02 Oct
- 13 Oct
United
$ 660
direct
05 Oct
- 19 Oct
United
$ 660
direct
01 Oct
- 07 Oct
United
$ 660
direct
25 Oct
- 08 Nov
United
$ 660
direct
17 Oct
- 14 Nov
Hawaiian Airlines
$ 661
03 Oct
- 13 Oct
Alaska Airlines
$ 663
19 Oct
- 31 Oct
Alaska Airlines
$ 663
04 Oct
- 11 Oct
Alaska Airlines
$ 663
19 Oct
- 26 Oct
Alaska Airlines
$ 664
17 Oct
- 31 Oct
Alaska Airlines
$ 664
15 Oct
- 14 Nov
United
$ 664
direct
02 Oct
- 09 Oct
United
$ 665
direct
24 Oct
- 05 Nov
Asiana Airlines
$ 732
direct
24 Oct
- 07 Nov
Asiana Airlines
$ 733
direct
30 Oct
- 12 Nov
Asiana Airlines
$ 756
direct
17 Oct
- 14 Nov
United
$ 776
direct
Also check the deals for one-way flights from San Francisco to Seoul in October .
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.