AirHint found the following cheapest return flights from San Jose (SJO) to Seoul (ICN) in October 2026 (see full year).
Return flights
| 20 Oct - 24 Nov | Avianca | ||
| 17 Oct - 30 Oct | United | ||
| 10 Oct - 24 Oct | United | ||
| 12 Oct - 23 Oct | Air Canada | ||
| 05 Oct - 28 Oct | Air France |
Also check the deals for one-way flights from San Jose to Seoul in October.
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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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