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

Return flights

29 Oct - 05 Nov	Porter Airlines (Canada) Ltd
30 Oct - 06 Nov	Porter Airlines (Canada) Ltd
01 Oct - 08 Oct	FrenchBee
15 Oct - 22 Oct	Condor
14 Oct - 21 Oct	Condor
22 Oct - 29 Oct	Condor
06 Oct - 13 Oct	Air Transat
09 Oct - 16 Oct	Air Transat
16 Oct - 23 Oct	Air Transat
31 Oct - 07 Nov	Condor
02 Oct - 09 Oct	Air Transat
03 Oct - 10 Oct	Condor
10 Oct - 17 Oct	Condor
26 Oct - 02 Nov	Air Transat
27 Oct - 03 Nov	SWISS
28 Oct - 04 Nov	SWISS
25 Oct - 01 Nov	SWISS

Also check the deals for one-way flights from Montreal to Belgrade in October.

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 October from 533€

Return flights