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

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

Return flights

04 Sep - 26 Sep Scandinavian Airlines
20 Sep - 25 Sep WestJet
05 Sep - 25 Sep Air Transat
06 Sep - 20 Sep FrenchBee
01 Sep - 26 Sep Air Transat
02 Sep - 09 Sep FrenchBee
21 Sep - 26 Sep FrenchBee
01 Sep - 08 Sep Air Transat
05 Sep - 19 Sep Air Transat
03 Sep - 10 Sep Air Transat

Also check the deals for one-way flights from Montreal to Istanbul in September.

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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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