Cheapest one-way flights from Ontario to Istanbul in December from $534

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

One-Way flights

04 Dec Iberia
10 Dec British Airways
05 Dec British Airways
06 Dec British Airways
11 Dec British Airways
08 Dec British Airways
03 Dec British Airways
14 Dec Iberia
30 Dec Qatar Airways
26 Dec Frontier Airlines

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

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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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