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

Return flights

11 Sep - 20 Sep	British Airways
02 Sep - 12 Sep	Air Transat	direct
08 Sep - 29 Sep	Air Transat	direct
13 Sep - 22 Sep	Air Transat	direct
15 Sep - 22 Sep	Air Transat	direct
01 Sep - 10 Sep	Air Transat	direct
08 Sep - 19 Sep	Air Transat	direct
13 Sep - 21 Sep	Air Transat	direct
11 Sep - 19 Sep	Air Transat	direct
08 Sep - 14 Sep	Air Transat	direct
20 Sep - 03 Oct	Air Transat	direct
22 Sep - 03 Oct	Air Transat	direct
26 Sep - 03 Oct	Lufthansa	direct
15 Sep - 01 Oct	Lufthansa

Also check the deals for one-way flights from Toulouse 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.

Book a cheap hotel in Montreal

Cheap car rent in Montreal

Cheapest return flights from Toulouse to Montreal in September from 356€

Return flights