Cheapest return flights from Toronto to Istanbul in September from $724

AirHint found the following cheapest return flights from Toronto (YTZ) to Istanbul (IST) in September 2025 (see full year).

Return flights

21 Sep - 11 Oct Air Canada
25 Sep - 02 Oct Air Canada
23 Sep - 09 Oct Air Transat
18 Sep - 11 Oct Air Canada
15 Sep - 11 Oct Air Transat
30 Sep - 08 Oct Porter Airlines (Canada) Ltd
16 Sep - 11 Oct Air Canada
29 Sep - 09 Oct Porter Airlines (Canada) Ltd
29 Sep - 08 Oct Porter Airlines (Canada) Ltd
16 Sep - 09 Oct Air Transat
17 Sep - 24 Sep Air Transat
19 Sep - 22 Sep Air Transat
23 Sep - 24 Sep Air Transat
23 Sep - 26 Sep Air Transat
16 Sep - 22 Sep Air Transat
18 Sep - 30 Sep Air Transat
26 Sep - 29 Sep Porter Airlines (Canada) Ltd
20 Sep - 27 Sep Air Transat
21 Sep - 29 Sep Porter Airlines (Canada) Ltd
25 Sep - 28 Sep Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Toronto to Istanbul in September.

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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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