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

Return flights

12 Dec - 11 Jan	Lufthansa
12 Dec - 18 Jan	Lufthansa
12 Dec - 21 Jan	Lufthansa
04 Dec - 07 Dec	SWISS
04 Dec - 08 Dec	SWISS
01 Dec - 08 Dec	SWISS
03 Dec - 12 Dec	SWISS
03 Dec - 10 Dec	SWISS
01 Dec - 07 Dec	SWISS
02 Dec - 10 Dec	SWISS
13 Dec - 10 Jan	Lufthansa
04 Dec - 07 Dec	Air Transat	direct
02 Dec - 07 Dec	Air Transat	direct
04 Dec - 08 Dec	Air Transat	direct
15 Dec - 11 Jan	Lufthansa
12 Dec - 21 Jan	Brussels Airlines	direct
13 Dec - 10 Jan	Brussels Airlines	direct
12 Dec - 11 Jan	Brussels Airlines	direct
12 Dec - 18 Jan	Brussels Airlines	direct
14 Dec - 11 Jan	SWISS

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 327€

Return flights