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

Return flights

30 Aug - 16 Sep	WestJet
24 Aug - 06 Sep	WestJet
26 Aug - 02 Sep	WestJet
30 Aug - 06 Sep	WestJet
28 Aug - 04 Sep	TAP
21 Aug - 06 Sep	TAP
21 Aug - 02 Sep	TAP
26 Aug - 04 Sep	FrenchBee
19 Aug - 26 Aug	WestJet
10 Aug - 20 Aug	WestJet
13 Aug - 20 Aug	WestJet
13 Aug - 21 Aug	WestJet
13 Aug - 23 Aug	WestJet
20 Aug - 27 Aug	WestJet
31 Aug - 07 Sep	Air Transat
29 Aug - 05 Sep	WestJet
03 Aug - 17 Aug	WestJet
16 Aug - 26 Aug	WestJet
11 Aug - 20 Aug	WestJet
13 Aug - 22 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 $756

Return flights