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

Return flights

03 Dec - 16 Jan	British Airways
05 Dec - 12 Dec	British Airways
03 Dec - 10 Dec	British Airways
10 Dec - 17 Dec	SWISS
01 Dec - 08 Dec	KLM
07 Dec - 14 Dec	KLM
02 Dec - 09 Dec	KLM
08 Dec - 15 Dec	Lufthansa
29 Dec - 14 Jan	SWISS
06 Dec - 13 Dec	Brussels Airlines
09 Dec - 16 Dec	Emirates
04 Dec - 11 Dec	Air France
31 Dec - 07 Jan	SWISS
15 Dec - 09 Jan	SWISS
15 Dec - 15 Jan	Air Canada
26 Dec - 09 Jan	SWISS
30 Dec - 29 Jan	Emirates
26 Dec - 02 Jan	SWISS
20 Dec - 20 Jan	KLM
20 Dec - 30 Jan	KLM

Also check the deals for one-way flights from Montreal to Plaisance 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 Montreal to Plaisance in December from $1195

Return flights