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

Return flights

15 Oct - 22 Oct	SWISS
10 Oct - 22 Oct	FrenchBee
13 Oct - 20 Oct	FrenchBee
10 Oct - 17 Oct	FrenchBee
05 Oct - 12 Oct	FrenchBee
12 Oct - 22 Oct	FrenchBee
01 Oct - 08 Oct	FrenchBee
06 Oct - 13 Oct	FrenchBee
08 Oct - 15 Oct	Air Transat
09 Oct - 16 Oct	Air Transat
26 Oct - 02 Nov	British Airways
28 Oct - 04 Nov	British Airways
29 Oct - 05 Nov	British Airways
27 Oct - 03 Nov	British Airways
30 Oct - 06 Nov	Air Transat
24 Oct - 02 Nov	Lufthansa
25 Oct - 01 Nov	Lufthansa
31 Oct - 07 Nov	Condor

Also check the deals for one-way flights from Montreal to Prague 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 Prague in October from $497

Return flights