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

Return flights

08 Oct - 19 Oct	Lufthansa
25 Oct - 05 Nov	Air Canada
15 Oct - 28 Oct	Lufthansa
22 Oct - 28 Oct	Lufthansa
24 Oct - 28 Oct	Lufthansa
21 Oct - 28 Oct	Lufthansa
12 Oct - 20 Oct	Air Transat	direct
16 Oct - 28 Oct	Lufthansa
01 Oct - 18 Oct	Air Canada
02 Oct - 19 Oct	Air Canada
03 Oct - 19 Oct	Air Canada
24 Oct - 07 Nov	Air Canada
24 Oct - 09 Nov	Lufthansa
21 Oct - 05 Nov	Lufthansa
15 Oct - 03 Nov	Lufthansa
24 Oct - 08 Nov	Lufthansa
22 Oct - 05 Nov	Lufthansa
21 Oct - 03 Nov	Lufthansa
22 Oct - 03 Nov	Lufthansa
24 Oct - 05 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 300€

Return flights