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

Return flights

05 Dec - 12 Dec	TAP
01 Dec - 12 Dec	TAP
05 Dec - 15 Dec	FrenchBee
03 Dec - 15 Dec	FrenchBee
03 Dec - 07 Dec	TAP
02 Dec - 09 Dec	SWISS
07 Dec - 14 Dec	FrenchBee
30 Dec - 24 Jan	FrenchBee
31 Dec - 24 Jan	FrenchBee
08 Dec - 15 Dec	TAP
06 Dec - 13 Dec	Porter Airlines (Canada) Ltd
10 Dec - 17 Dec	TAP
29 Dec - 11 Jan	Azores Airlines
11 Dec - 12 Jan	Air Transat
26 Dec - 17 Jan	Porter Airlines (Canada) Ltd
30 Dec - 06 Jan	FrenchBee
25 Dec - 17 Jan	Air Canada
23 Dec - 17 Jan	Porter Airlines (Canada) Ltd
24 Dec - 17 Jan	FrenchBee
24 Dec - 10 Jan	FrenchBee

Also check the deals for one-way flights from Montreal to Charleroi 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.

Book a cheap hotel in Charleroi

Cheap car rent in Charleroi

Cheapest return flights from Montreal to Charleroi in December from $603

Return flights