AirHint found the following cheapest return flights from Ontario (ONT) to Istanbul (IST) in November 2025 (see full year).

Return flights

11 Nov - 25 Nov	British Airways
07 Nov - 18 Nov	British Airways
01 Nov - 22 Nov	British Airways
19 Nov - 26 Nov	Qatar Airways
05 Nov - 17 Nov	Qatar Airways
01 Nov - 14 Nov	Qatar Airways
10 Nov - 16 Nov	Qatar Airways
08 Nov - 27 Nov	Qatar Airways
02 Nov - 24 Nov	Alaska Airlines
10 Nov - 17 Nov	Alaska Airlines

Also check the deals for one-way flights from Ontario to Istanbul in November.

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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Cheapest return flights from Ontario to Istanbul in November from $772

Return flights