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

Return flights

24 Sep - 01 Oct	Air Transat
05 Sep - 24 Sep	Air Transat
17 Sep - 24 Sep	Air Transat
10 Sep - 24 Sep	Air Transat
10 Sep - 01 Oct	Air Transat
17 Sep - 01 Oct	Air Transat
10 Sep - 17 Sep	Air Transat
15 Sep - 14 Oct	Air Canada	direct
17 Sep - 09 Oct	Air Canada	direct
15 Sep - 13 Oct	Air Canada	direct
22 Sep - 30 Oct	Air Canada	direct
21 Sep - 21 Oct	Air Canada	direct
28 Sep - 28 Oct	Air Canada	direct
28 Sep - 30 Oct	Air Canada	direct
03 Sep - 10 Sep	Air Transat
07 Sep - 21 Sep	TAP
08 Sep - 25 Sep	Air Canada	direct
10 Sep - 25 Sep	Air Canada	direct
01 Sep - 24 Sep	FrenchBee
03 Sep - 17 Sep	FrenchBee

Also check the deals for one-way flights from Montreal to Casablanca 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 Casablanca in September from 520€

Return flights