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

Return flights

21 Sep - 28 Sep	Air France
21 Sep - 05 Oct	Air France
14 Sep - 28 Sep	Air France
14 Sep - 20 Sep	Air France
14 Sep - 28 Sep	Air Transat	direct
21 Sep - 28 Sep	Air Transat	direct
13 Sep - 27 Sep	Air Transat	direct
14 Sep - 20 Sep	Air Transat	direct
13 Sep - 05 Oct	Air Transat	direct
21 Sep - 05 Oct	Air Transat	direct

Also check the deals for one-way flights from Marseille to Montreal 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 Marseille to Montreal in September from 415€

Return flights