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

Return flights

22 Sep - 08 Oct	TAP
28 Sep - 15 Oct	TAP
29 Sep - 15 Oct	TAP
10 Sep - 09 Oct	TAP
25 Sep - 09 Oct	TAP
14 Sep - 12 Oct	TAP
22 Sep - 09 Oct	TAP
10 Sep - 10 Oct	TAP
29 Sep - 06 Oct	FrenchBee	direct
21 Sep - 09 Oct	TAP
15 Sep - 24 Sep	FrenchBee	direct
12 Sep - 15 Sep	FrenchBee	direct
08 Sep - 14 Sep	FrenchBee	direct
07 Sep - 19 Sep	FrenchBee	direct
07 Sep - 15 Sep	FrenchBee	direct
12 Sep - 24 Sep	FrenchBee	direct
10 Sep - 24 Sep	FrenchBee	direct
17 Sep - 24 Sep	FrenchBee	direct
08 Sep - 15 Sep	FrenchBee	direct
08 Sep - 19 Sep	FrenchBee	direct

Also check the deals for one-way 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 return flights from Montreal to Paris in September from 410€

Return flights