Cheapest return flights from San Jose to Seoul in June from $1375

AirHint found the following cheapest return flights from San Jose (SJC) to Seoul (ICN) in June 2026 (see full year).

Return flights

14 Jun - 26 Jun Alaska Airlines
21 Jun - 28 Jun Alaska Airlines
19 Jun - 28 Jun Alaska Airlines
20 Jun - 28 Jun Alaska Airlines
05 Jun - 12 Jun Alaska Airlines
06 Jun - 28 Jun Alaska Airlines
22 Jun - 29 Jun Korean Air

Also check the deals for one-way flights from San Jose to Seoul in June.

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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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