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

Return flights

12 Dec - 18 Jan	TAP
05 Dec - 11 Jan	TAP
15 Dec - 12 Jan	TAP
26 Dec - 11 Jan	TAP
10 Dec - 29 Jan	British Airways
14 Dec - 12 Jan	TAP
24 Dec - 07 Jan	KLM
02 Dec - 07 Dec	Lufthansa
10 Dec - 14 Dec	TAP
05 Dec - 14 Dec	TAP
15 Dec - 24 Dec	Lufthansa
15 Dec - 13 Jan	Brussels Airlines
25 Dec - 11 Jan	Lufthansa
02 Dec - 10 Dec	Air Canada
06 Dec - 12 Jan	Air Canada
02 Dec - 09 Dec	Brussels Airlines
15 Dec - 28 Dec	Air Canada
11 Dec - 14 Dec	Air Canada
11 Dec - 30 Dec	Air Canada
03 Dec - 09 Dec	Air Canada

Also check the deals for one-way flights from Brussels 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 Brussels to Montreal in December from 402€

Return flights