Cheapest return flights from Ontario to Bangkok in June from $1147

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

Return flights

01 Jun - 21 Jun Korean Air
22 Jun - 29 Jun Korean Air
15 Jun - 22 Jun Korean Air
27 Jun - 24 Jul Korean Air
10 Jun - 17 Jun China Airlines
06 Jun - 31 Jul China Airlines
17 Jun - 02 Jul China Airlines

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