Cheapest return flights from Ontario to Bangkok in April from $747

Best time to book flights for Ontario (ONT) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Bangkok (BKK) in April 2025 (see full year).

Return flights

28 Apr - 11 May Korean Air
27 Apr - 20 May Korean Air
20 Apr - 11 May Korean Air
22 Apr - 13 May Korean Air
21 Apr - 11 May Korean Air
22 Apr - 15 May Korean Air
22 Apr - 16 May Korean Air
28 Apr - 10 May Korean Air
22 Apr - 12 May China Airlines
30 Apr - 06 May China Airlines
13 Apr - 23 Apr China Airlines
16 Apr - 23 Apr China Airlines
22 Apr - 29 Apr China Airlines
15 Apr - 29 Apr China Airlines
15 Apr - 22 Apr China Airlines
15 Apr - 17 Apr China Airlines
13 Apr - 25 Apr China Airlines
15 Apr - 27 Apr China Airlines
13 Apr - 22 Apr China Airlines
06 Apr - 17 Apr China Airlines

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

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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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