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

Return flights

03 Dec - 10 Dec	Condor
05 Dec - 12 Dec	Condor
01 Dec - 08 Dec	TAP
08 Dec - 15 Dec	Azores Airlines
07 Dec - 14 Dec	Brussels Airlines
10 Dec - 17 Dec	Condor
06 Dec - 13 Dec	British Airways
04 Dec - 11 Dec	Brussels Airlines
02 Dec - 09 Dec	British Airways
09 Dec - 16 Dec	British Airways
25 Dec - 01 Jan	Austrian Airlines
31 Dec - 07 Jan	Lufthansa
30 Dec - 06 Jan	Air Canada
29 Dec - 05 Jan	Air Canada
26 Dec - 02 Jan	Air Canada
28 Dec - 04 Jan	Air Canada
27 Dec - 03 Jan	Air Canada
26 Dec - 03 Jan	Air Canada

Also check the deals for one-way flights from Montreal to Belgrade 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 Belgrade in December from 593€

Return flights