Cheapest return flights from Ontario to Bangkok in June from $868

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

Return flights

10 Jun - 23 Jun Korean Air
03 Jun - 29 Jul Korean Air
16 Jun - 23 Jun Korean Air
16 Jun - 10 Jul Korean Air
11 Jun - 21 Jun Korean Air
07 Jun - 21 Jun Korean Air
07 Jun - 22 Jun Korean Air
09 Jun - 23 Jun Korean Air
17 Jun - 30 Jun Korean Air
17 Jun - 08 Jul Korean Air
17 Jun - 09 Jul Korean Air
02 Jun - 16 Jun Korean Air
04 Jun - 25 Jun Korean Air
05 Jun - 12 Jun Korean Air
30 Jun - 11 Jul Korean Air
18 Jun - 16 Jul Korean Air
22 Jun - 06 Jul China Airlines
28 Jun - 12 Jul China Airlines
26 Jun - 17 Jul China Airlines
13 Jun - 12 Jul China Airlines

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

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