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

Return flights

02 Jun - 09 Jun	Korean Air
16 Jun - 30 Jun	Korean Air
04 Jun - 29 Jun	Korean Air
03 Jun - 10 Jun	Korean Air
05 Jun - 29 Jun	Korean Air
09 Jun - 23 Jun	China Airlines
08 Jun - 25 Jun	China Airlines
01 Jun - 10 Jun	Korean Air
11 Jun - 15 Jun	China Airlines
11 Jun - 01 Jul	Korean Air
27 Jun - 19 Jul	EVA Air

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

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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Cheapest return flights from San Jose to Bangkok in June from $1063

Return flights