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

Return flights

24 Oct - 31 Oct	FrenchBee
22 Oct - 29 Oct	FrenchBee
13 Oct - 20 Oct	Air Transat
14 Oct - 21 Oct	Porter Airlines (Canada) Ltd
15 Oct - 22 Oct	FrenchBee
05 Oct - 12 Oct	FrenchBee
10 Oct - 17 Oct	FrenchBee
08 Oct - 15 Oct	FrenchBee
04 Oct - 11 Oct	Air Transat
28 Oct - 04 Nov	Air Transat
03 Oct - 10 Oct	FrenchBee
29 Oct - 05 Nov	Air Transat
25 Oct - 01 Nov	Air Transat
30 Oct - 06 Nov	Air Transat
31 Oct - 07 Nov	Condor
26 Oct - 02 Nov	Air Transat
27 Oct - 03 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 579€

Return flights