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

Return flights

16 Sep - 23 Sep	Lufthansa
16 Sep - 03 Oct	Lufthansa
26 Sep - 17 Oct	Lufthansa
14 Sep - 19 Oct	Lufthansa
07 Sep - 21 Sep	Air Transat	direct
14 Sep - 27 Sep	Air Transat	direct
12 Sep - 26 Sep	Air Transat	direct
12 Sep - 27 Sep	Air Transat	direct
13 Sep - 27 Sep	Air Transat	direct
02 Sep - 01 Oct	Air Transat	direct
18 Sep - 03 Oct	Air Transat	direct
14 Sep - 19 Oct	Air Transat	direct
29 Sep - 13 Oct	Air Transat	direct
01 Sep - 09 Sep	Air Canada
21 Sep - 05 Oct	Air Canada
04 Sep - 17 Sep	Lufthansa
01 Sep - 30 Sep	Air Canada
16 Sep - 22 Sep	Lufthansa
23 Sep - 13 Oct	Air Canada
26 Sep - 10 Oct	Air Canada

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 $521

Return flights