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

Return flights

03 Dec - 10 Dec	SWISS
01 Dec - 07 Dec	SWISS
02 Dec - 09 Dec	Air Canada
03 Dec - 21 Jan	SWISS
05 Dec - 10 Dec	SWISS
05 Dec - 12 Dec	SWISS
07 Dec - 14 Dec	Air Canada
01 Dec - 08 Dec	Lufthansa
04 Dec - 11 Dec	Air Canada
06 Dec - 13 Dec	Air Canada
08 Dec - 15 Dec	Lufthansa
05 Dec - 15 Jan	Air Canada
15 Dec - 16 Jan	British Airways
10 Dec - 16 Jan	Air Canada
28 Dec - 26 Jan	Lufthansa
28 Dec - 17 Jan	Lufthansa
29 Dec - 30 Jan	SWISS
15 Dec - 15 Jan	Air Canada
24 Dec - 17 Jan	Air Canada
27 Dec - 23 Jan	SWISS

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 $1219

Return flights