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

Return flights

28 Aug - 25 Sep	EgyptAir
30 Aug - 15 Sep	Porter Airlines (Canada) Ltd
26 Aug - 25 Sep	EgyptAir
31 Aug - 16 Sep	WestJet
25 Aug - 16 Sep	Azores Airlines
30 Aug - 10 Sep	Flair Airlines
31 Aug - 24 Sep	WestJet
31 Aug - 14 Sep	EgyptAir
28 Aug - 20 Sep	EgyptAir
25 Aug - 20 Sep	EgyptAir
23 Aug - 31 Aug	Porter Airlines (Canada) Ltd
24 Aug - 31 Aug	WestJet
25 Aug - 30 Aug	Air Canada
22 Aug - 27 Aug	Porter Airlines (Canada) Ltd
26 Aug - 29 Aug	Flair Airlines
24 Aug - 28 Aug	Flair Airlines
26 Aug - 31 Aug	WestJet
24 Aug - 27 Aug	Flair Airlines
23 Aug - 28 Aug	Flair Airlines
23 Aug - 27 Aug	Flair Airlines

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

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 Toronto to Istanbul in August from $774

Return flights