Cheapest return flights from San Francisco to Seoul in October from 609€

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

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

Return flights

31 Oct - 09 Nov United direct
19 Oct - 09 Nov United direct
31 Oct - 07 Nov United direct
04 Oct - 18 Oct United direct
04 Oct - 11 Oct United direct
04 Oct - 19 Oct United direct
03 Oct - 18 Oct Delta
03 Oct - 14 Oct Delta
17 Oct - 24 Oct Delta
03 Oct - 12 Oct Delta
03 Oct - 13 Oct Delta
06 Oct - 06 Nov Delta
16 Oct - 03 Nov Delta
12 Oct - 26 Oct Vietnam Airlines
03 Oct - 14 Oct Asiana Airlines direct
06 Oct - 06 Nov Korean Air direct
16 Oct - 03 Nov United direct

Also check the deals for one-way flights from San Francisco to Seoul in October.

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul