Cheapest return flights from San Francisco to Seoul in October from $643

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in October 2026 (see full year).

Return flights

14 Oct - 28 Oct Air Premia direct
17 Oct - 24 Oct Air Premia direct
04 Oct - 18 Oct Air Premia direct
31 Oct - 11 Nov Air Premia direct
21 Oct - 28 Oct United direct
31 Oct - 12 Nov Alaska Airlines
01 Oct - 15 Oct United direct
31 Oct - 12 Nov United direct
08 Oct - 17 Oct United direct
05 Oct - 20 Oct United direct
06 Oct - 31 Oct EVA Air
10 Oct - 21 Oct Cathay Pacific
10 Oct - 12 Oct EVA Air

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.