AirHint found the following cheapest return flights from Montreal (YUL) to Istanbul (IST) in August 2026 (see full year).

Return flights

19 Aug - 26 Aug	Air France
06 Aug - 13 Aug	Air France
24 Aug - 31 Aug	Air France
25 Aug - 01 Sep	Air France
27 Aug - 03 Sep	Air France
31 Aug - 07 Sep	Air France
26 Aug - 02 Sep	Air France
17 Aug - 24 Aug	Air France
18 Aug - 25 Aug	Air France
20 Aug - 06 Sep	Air France
05 Aug - 12 Aug	KLM
10 Aug - 17 Aug	KLM
11 Aug - 18 Aug	Air France
02 Aug - 09 Sep	Air France
13 Aug - 20 Aug	Air France
20 Aug - 27 Aug	Air France
30 Aug - 06 Sep	Air France
29 Aug - 05 Sep	Air France
28 Aug - 04 Sep	Air France
26 Aug - 02 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Montreal 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 Montreal to Istanbul in August from 852€

Return flights