Cheapest return flights from Ontario to Bangkok in June from $1150

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

Return flights

02 Jun - 14 Jun China Airlines
12 Jun - 20 Jun China Airlines
02 Jun - 24 Jun China Airlines
12 Jun - 28 Jun China Airlines
09 Jun - 17 Jun China Airlines
07 Jun - 22 Jun China Airlines
21 Jun - 04 Jul China Airlines
10 Jun - 07 Jul China Airlines
17 Jun - 21 Jul China Airlines
24 Jun - 21 Jul China Airlines
06 Jun - 31 Jul China Airlines
12 Jun - 19 Jun China Airlines
09 Jun - 30 Jun China Airlines
25 Jun - 09 Jul China Airlines

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

Powered by

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.