Cheapest return flights from San Jose to Seoul in October from $856

Best time to book flights for San Jose (SJC) to Seoul (ICN) flights at AirHint

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

Return flights

05 Oct - 11 Oct Korean Air
02 Oct - 13 Oct Korean Air
01 Oct - 09 Oct Korean Air
25 Oct - 10 Nov Korean Air
25 Oct - 11 Nov Korean Air
24 Oct - 07 Nov Korean Air
16 Oct - 27 Oct Korean Air
16 Oct - 26 Oct Korean Air
17 Oct - 26 Oct Korean Air
15 Oct - 29 Oct Korean Air
17 Oct - 02 Nov Korean Air
17 Oct - 03 Nov Korean Air
16 Oct - 01 Nov Korean Air
17 Oct - 06 Nov Korean Air
17 Oct - 01 Nov Korean Air
17 Oct - 04 Nov Korean Air
08 Oct - 22 Oct Korean Air
13 Oct - 28 Oct Korean Air
09 Oct - 16 Nov Korean Air
01 Oct - 13 Oct Alaska Airlines

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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