Cheapest return flights from Toronto to Istanbul in September from $559

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

Return flights

30 Sep - 08 Oct Porter Airlines (Canada) Ltd
17 Sep - 24 Sep Porter Airlines (Canada) Ltd
15 Sep - 25 Sep Porter Airlines (Canada) Ltd
15 Sep - 24 Sep Porter Airlines (Canada) Ltd
23 Sep - 06 Oct Porter Airlines (Canada) Ltd
09 Sep - 23 Sep WestJet
03 Sep - 11 Sep Porter Airlines (Canada) Ltd
12 Sep - 25 Sep Porter Airlines (Canada) Ltd
07 Sep - 18 Sep Porter Airlines (Canada) Ltd
19 Sep - 28 Sep Air Transat
18 Sep - 30 Sep WestJet
26 Sep - 15 Oct WestJet
21 Sep - 30 Sep Aer Lingus
29 Sep - 08 Oct Air Transat
26 Sep - 09 Oct WestJet
26 Sep - 16 Oct WestJet
30 Sep - 24 Oct Air Transat
30 Sep - 07 Oct Porter Airlines (Canada) Ltd
23 Sep - 09 Oct Icelandair
17 Sep - 02 Oct Icelandair

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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