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

Return flights

03 Dec - 10 Dec	Lufthansa
04 Dec - 10 Dec	SWISS
04 Dec - 10 Dec	Air Transat	direct
03 Dec - 10 Dec	Air Transat	direct
06 Dec - 13 Dec	Lufthansa
05 Dec - 12 Dec	Air Canada
10 Dec - 31 Dec	Lufthansa
01 Dec - 25 Dec	Lufthansa
10 Dec - 31 Dec	Air Transat	direct
07 Dec - 21 Dec	Air Canada
29 Dec - 20 Jan	SWISS
28 Dec - 12 Jan	SWISS
24 Dec - 08 Jan	SWISS
23 Dec - 13 Jan	Lufthansa
23 Dec - 13 Jan	Air Transat	direct
24 Dec - 08 Jan	Brussels Airlines	direct
29 Dec - 20 Jan	Brussels Airlines	direct
17 Dec - 01 Jan	SWISS
23 Dec - 04 Jan	Air Transat	direct
26 Dec - 06 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 359€

Return flights