Cheapest return flights from Ontario to Bangkok in May from $876

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

Return flights

05 May - 17 May China Airlines
04 May - 11 May China Airlines
03 May - 10 May China Airlines
01 May - 04 May China Airlines
14 May - 04 Jun China Airlines
05 May - 19 May China Airlines
04 May - 18 May China Airlines
14 May - 20 May China Airlines
22 May - 28 May China Airlines
24 May - 07 Jun China Airlines
28 May - 04 Jun China Airlines
25 May - 01 Jun STARLUX Airlines

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

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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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