Cheapest return flights from Seoul to San Jose in October from $1994
AirHint found the following cheapest return flights from Seoul (ICN) to San Jose (SJO) in October 2025 (see full year).
Return flights
| 02 Oct - 12 Oct | United | ||
| 03 Oct - 11 Oct | United |
Also check the deals for one-way flights from Seoul to San Jose in October.
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.
