Cheapest one-way flights from Ontario to Istanbul in September from $469

AirHint found the following cheapest one-way flights from Ontario (ONT) to Istanbul (IST) in September 2025 (see full year).

One-Way flights

30 Sep jetBlue
17 Sep Qatar Airways
16 Sep Turkish Airlines
14 Sep Turkish Airlines
04 Sep jetBlue
09 Sep jetBlue
29 Sep jetBlue
02 Sep jetBlue
01 Sep jetBlue
23 Sep jetBlue

Also check the deals for return flights from Ontario to Istanbul in September.

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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