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

Return flights

22 Aug - 07 Sep	WestJet
26 Aug - 02 Sep	Air Transat
26 Aug - 21 Sep	FrenchBee
29 Aug - 05 Sep	WestJet
31 Aug - 07 Sep	WestJet
29 Aug - 02 Sep	WestJet
14 Aug - 02 Sep	Air Transat
11 Aug - 18 Aug	Air Transat
30 Aug - 06 Sep	Air Transat
27 Aug - 03 Sep	WestJet
24 Aug - 31 Aug	Air Transat
03 Aug - 10 Aug	Air Transat
04 Aug - 11 Aug	Air Transat
10 Aug - 17 Aug	Air Transat
17 Aug - 24 Aug	Air Transat
18 Aug - 25 Aug	Air Transat
25 Aug - 01 Sep	Air Transat
19 Aug - 26 Aug	Air Transat
24 Aug - 28 Aug	WestJet
07 Aug - 14 Aug	WestJet

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 $890

Return flights