Cheapest one-way flights from Ontario to Istanbul in April from $640

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

One-Way flights

29 Apr Qatar Airways
03 Apr Qatar Airways
24 Apr Qatar Airways
02 Apr British Airways

Also check the deals for return flights from Ontario to Istanbul 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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