Cheapest return flights from Montreal to Istanbul in September from $718

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

Return flights

20 Sep - 27 Sep WestJet
13 Sep - 20 Sep WestJet
26 Sep - 03 Oct Air Transat
18 Sep - 25 Sep TAP
04 Sep - 20 Sep WestJet
11 Sep - 18 Sep TAP
05 Sep - 20 Sep WestJet
06 Sep - 13 Sep WestJet
02 Sep - 09 Sep FrenchBee
04 Sep - 11 Sep FrenchBee
08 Sep - 22 Sep WestJet
30 Sep - 07 Oct Air Transat
25 Sep - 02 Oct WestJet
27 Sep - 04 Oct FrenchBee
24 Sep - 01 Oct WestJet
28 Sep - 05 Oct FrenchBee
27 Sep - 18 Oct FrenchBee
29 Sep - 06 Oct Air Transat
27 Sep - 18 Oct Turkish Airlines direct
25 Sep - 02 Oct Turkish Airlines direct

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

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