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

Return flights

01 Dec - 08 Dec	British Airways
02 Dec - 09 Dec	British Airways
03 Dec - 10 Dec	British Airways
07 Dec - 14 Dec	British Airways
08 Dec - 15 Dec	British Airways
05 Dec - 12 Dec	Condor
10 Dec - 17 Dec	British Airways
14 Dec - 21 Dec	British Airways
31 Dec - 07 Jan	British Airways
05 Dec - 14 Dec	British Airways
04 Dec - 11 Dec	British Airways
24 Dec - 07 Jan	British Airways
25 Dec - 01 Jan	British Airways
26 Dec - 02 Jan	British Airways
22 Dec - 05 Jan	British Airways
28 Dec - 04 Jan	British Airways
18 Dec - 06 Jan	British Airways

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 557€

Return flights