AirHint found the following cheapest return flights from Montreal (YUL) to Abu Dhabi (AUH) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep	Air Transat
16 Sep - 23 Sep	Porter Airlines (Canada) Ltd
09 Sep - 16 Sep	Air Transat
23 Sep - 30 Sep	Air Transat
08 Sep - 15 Sep	FrenchBee
10 Sep - 17 Sep	Air Transat
13 Sep - 20 Sep	Air Transat
28 Sep - 05 Oct	FrenchBee
02 Sep - 09 Sep	Air Transat
14 Sep - 21 Sep	FrenchBee
21 Sep - 28 Sep	FrenchBee
25 Sep - 02 Oct	Air Transat
24 Sep - 01 Oct	Air Transat
27 Sep - 04 Oct	Air Transat
26 Sep - 03 Oct	Turkish Airlines
29 Sep - 06 Oct	TAP
30 Sep - 07 Oct	Etihad Airways

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

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 Abu Dhabi in September from $828

Return flights