Cheapest one-way flights from Ontario to Bangkok in April from $419

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

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

One-Way flights

10 Apr Frontier Airlines
17 Apr Frontier Airlines
20 Apr Frontier Airlines
25 Apr Frontier Airlines
27 Apr Frontier Airlines
24 Apr Korean Air
26 Apr Frontier Airlines
28 Apr Frontier Airlines
22 Apr Korean Air
14 Apr Korean Air

Also check the deals for return flights from Ontario to Bangkok in April.

Skyscanner

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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