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

Return flights

07 Jul - 20 Jul	Korean Air
07 Jul - 14 Jul	Korean Air
07 Jul - 28 Jul	Korean Air
12 Jul - 14 Jul	China Airlines
07 Jul - 30 Jul	China Airlines
05 Jul - 30 Jul	China Airlines
19 Jul - 12 Aug	China Airlines
19 Jul - 08 Aug	China Airlines
19 Jul - 09 Aug	China Airlines
31 Jul - 21 Aug	China Airlines
01 Jul - 16 Jul	China Airlines
01 Jul - 30 Jul	China Airlines

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

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 Ontario to Bangkok in July from $869

Return flights