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

Return flights

29 Aug - 05 Sep	Air France
29 Aug - 06 Sep	Air France
14 Aug - 27 Aug	Turkish Airlines
30 Aug - 06 Sep	Air France
17 Aug - 27 Aug	Air Canada
31 Aug - 07 Sep	KLM
14 Aug - 15 Sep	Air Canada
16 Aug - 29 Aug	Air Canada
17 Aug - 31 Aug	Air Canada
20 Aug - 31 Aug	Air Canada
21 Aug - 27 Aug	Air Canada
13 Aug - 28 Aug	Air Canada
21 Aug - 28 Aug	Air Canada
22 Aug - 21 Sep	Air Canada
05 Aug - 10 Sep	KLM
05 Aug - 10 Aug	KLM
12 Aug - 03 Sep	KLM
20 Aug - 10 Sep	KLM
22 Aug - 31 Aug	Air Canada
20 Aug - 05 Sep	KLM

Also check the deals for one-way flights from Istanbul to Montreal 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 Istanbul to Montreal in August from 552€

Return flights