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

Return flights

24 Aug - 19 Sep	Scandinavian Airlines
26 Aug - 02 Sep	WestJet
30 Aug - 16 Sep	WestJet
28 Aug - 04 Sep	TAP
30 Aug - 06 Sep	TAP
31 Aug - 07 Sep	FrenchBee
07 Aug - 02 Sep	Air Transat
21 Aug - 28 Aug	Air Transat
05 Aug - 31 Aug	British Airways
14 Aug - 21 Aug	Air Transat
03 Aug - 10 Aug	British Airways
17 Aug - 24 Aug	British Airways
24 Aug - 31 Aug	British Airways
25 Aug - 01 Sep	Air Transat
07 Aug - 14 Aug	Air Transat
12 Aug - 19 Aug	British Airways
18 Aug - 25 Aug	Air Transat
02 Aug - 09 Aug	Air Transat
27 Aug - 03 Sep	Air Transat
29 Aug - 05 Sep	Air Transat

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Montreal to Istanbul in August from $714

Return flights