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

Return flights

05 Dec - 08 Dec	Lufthansa
04 Dec - 09 Dec	Lufthansa
05 Dec - 09 Dec	Lufthansa
02 Dec - 09 Dec	Lufthansa
02 Dec - 07 Dec	Lufthansa
03 Dec - 07 Dec	Lufthansa
01 Dec - 09 Jan	Austrian Airlines
11 Dec - 16 Jan	Lufthansa
11 Dec - 14 Jan	Lufthansa
01 Dec - 07 Dec	Austrian Airlines
01 Dec - 08 Dec	Austrian Airlines
05 Dec - 07 Dec	SWISS
01 Dec - 09 Dec	SWISS
12 Dec - 30 Jan	Austrian Airlines
12 Dec - 30 Jan	Air Canada	direct
12 Dec - 07 Jan	United
14 Dec - 30 Jan	Lufthansa
15 Dec - 14 Jan	Lufthansa
14 Dec - 14 Jan	Lufthansa
12 Dec - 07 Jan	Lufthansa	direct

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

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 December from 318€

Return flights