Cheapest return flights from San Francisco to Seoul in October from 820€

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

13 Oct - 13 Nov Cathay Pacific
25 Oct - 01 Nov Vietnam Airlines
24 Oct - 09 Nov Cathay Pacific
01 Oct - 13 Oct Vietnam Airlines
01 Oct - 08 Oct Vietnam Airlines
01 Oct - 12 Nov Air Canada
06 Oct - 12 Oct United direct
01 Oct - 13 Oct United direct
30 Oct - 10 Nov United direct
24 Oct - 09 Nov United direct
22 Oct - 29 Oct United direct
01 Oct - 12 Oct United direct
01 Oct - 08 Oct United direct
25 Oct - 01 Nov United direct
20 Oct - 09 Nov United direct
21 Oct - 02 Nov United direct
01 Oct - 12 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.

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