AirHint found the following cheapest one-way flights from Montreal (YUL) to Paris (CDG) in September 2025 (see full year).

One-Way flights

17 Sep	Air Transat
16 Sep	Air Transat	direct
23 Sep	Air Transat	direct
11 Sep	Air Transat	direct
27 Sep	Air Transat	direct
19 Sep	Air Transat	direct
13 Sep	Air Transat	direct
07 Sep	Air Transat	direct
12 Sep	Air Transat	direct
02 Sep	Air Transat	direct

Also check the deals for return flights from Montreal to Paris 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 one-way flights from Montreal to Paris in September from $228

One-Way flights