Cheapest return flights from Toronto to Istanbul in September from $670

Best time to book flights for Toronto (YYZ) to Istanbul (IST) flights at AirHint

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

Return flights

30 Sep - 14 Oct Air Transat
30 Sep - 13 Oct Air Transat
16 Sep - 16 Oct Air Transat
15 Sep - 13 Oct Air Transat
08 Sep - 14 Sep Air Transat
28 Sep - 28 Oct British Airways
30 Sep - 10 Oct Air Transat
07 Sep - 14 Sep Air Transat
08 Sep - 15 Sep Air Transat
22 Sep - 29 Sep Air Transat
30 Sep - 07 Oct Air Transat
10 Sep - 17 Sep Air Transat
10 Sep - 14 Sep Air Transat
07 Sep - 25 Sep Air Transat
03 Sep - 10 Sep Air Transat
08 Sep - 12 Sep Air Transat
19 Sep - 12 Oct British Airways
26 Sep - 09 Oct British Airways
18 Sep - 11 Oct WestJet
01 Sep - 18 Sep Air Transat

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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