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

Return flights

06 Oct - 13 Oct	Air Canada
13 Oct - 24 Oct	Lufthansa
07 Oct - 28 Oct	Lufthansa
07 Oct - 12 Oct	Lufthansa
14 Oct - 28 Oct	Lufthansa
13 Oct - 13 Nov	Lufthansa
21 Oct - 21 Nov	Lufthansa
13 Oct - 10 Nov	Lufthansa
04 Oct - 15 Oct	Air Canada
15 Oct - 29 Oct	Lufthansa
13 Oct - 27 Oct	Lufthansa
07 Oct - 22 Oct	Lufthansa
21 Oct - 27 Oct	Lufthansa
21 Oct - 05 Nov	Lufthansa
21 Oct - 03 Nov	Lufthansa
15 Oct - 15 Nov	Lufthansa
22 Oct - 05 Nov	Lufthansa
22 Oct - 03 Nov	Lufthansa
22 Oct - 07 Nov	Lufthansa
06 Oct - 03 Nov	Lufthansa

Also check the deals for one-way flights from Paris to Montreal in October.

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 Paris to Montreal in October from 324€

Return flights