Cheapest one-way flights from Ontario to Istanbul in December from $591

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

One-Way flights

03 Dec Qatar Airways
04 Dec Qatar Airways
05 Dec Qatar Airways
28 Dec British Airways
31 Dec British Airways
24 Dec British Airways
09 Dec British Airways
17 Dec WestJet
26 Dec British Airways
11 Dec Iberia

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

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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