Cheapest return flights from San Jose to Seoul in October from $652

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

Return flights

02 Oct - 18 Oct Hawaiian Airlines
01 Oct - 10 Oct Hawaiian Airlines
01 Oct - 31 Oct Alaska Airlines
26 Oct - 02 Nov Hawaiian Airlines
31 Oct - 02 Nov Hawaiian Airlines
01 Oct - 13 Oct Alaska Airlines
24 Oct - 27 Oct Hawaiian Airlines
24 Oct - 08 Nov Hawaiian Airlines
30 Oct - 08 Nov Hawaiian Airlines
03 Oct - 13 Oct Alaska Airlines
24 Oct - 02 Nov Hawaiian Airlines
23 Oct - 31 Oct Hawaiian Airlines
16 Oct - 03 Nov Hawaiian Airlines
23 Oct - 01 Nov Hawaiian Airlines
23 Oct - 08 Nov Hawaiian Airlines
01 Oct - 15 Oct Korean Air
16 Oct - 27 Oct Alaska Airlines
29 Oct - 05 Nov Korean Air
05 Oct - 18 Oct Alaska Airlines
28 Oct - 05 Nov Korean Air

Also check the deals for one-way flights from San Jose 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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