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

Return flights

09 Dec - 15 Dec	British Airways
02 Dec - 09 Dec	British Airways
03 Dec - 10 Dec	British Airways
02 Dec - 15 Dec	British Airways
09 Dec - 16 Dec	British Airways
08 Dec - 15 Dec	British Airways
05 Dec - 12 Dec	Condor
06 Dec - 13 Dec	British Airways
07 Dec - 14 Dec	British Airways
07 Dec - 27 Dec	British Airways
30 Dec - 06 Jan	British Airways
31 Dec - 07 Jan	British Airways
15 Dec - 10 Jan	Azores Airlines
29 Dec - 05 Jan	KLM
08 Dec - 03 Jan	British Airways
09 Dec - 03 Jan	British Airways
26 Dec - 05 Jan	Brussels Airlines
07 Dec - 03 Jan	British Airways
25 Dec - 01 Jan	Lufthansa
26 Dec - 02 Jan	Condor

Also check the deals for one-way flights from Montreal to Prague 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 Prague in December from $569

Return flights