Cheapest one-way flights from Ontario to Bangkok in April from $300

AirHint found the following cheapest one-way flights from Ontario (ONT) to Bangkok (BKK) in April 2026 (see full year).

One-Way flights

22 Apr Korean Air
21 Apr Korean Air
20 Apr Korean Air
24 Apr Korean Air
29 Apr Korean Air
26 Apr Korean Air
25 Apr Korean Air
30 Apr Korean Air
15 Apr Korean Air
07 Apr China Airlines

Also check the deals for return 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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