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

Return flights

01 Oct - 08 Oct	Air Transat
08 Oct - 15 Oct	Air Transat
16 Oct - 23 Oct	Air Transat
02 Oct - 09 Oct	Air Transat
09 Oct - 16 Oct	Air Transat
06 Oct - 13 Oct	FrenchBee
07 Oct - 15 Oct	Air Transat
13 Oct - 20 Oct	Air Transat
11 Oct - 18 Oct	Air Transat
04 Oct - 11 Oct	Air Transat
26 Oct - 02 Nov	Lufthansa
30 Oct - 06 Nov	Lufthansa
29 Oct - 05 Nov	Lufthansa
28 Oct - 04 Nov	British Airways
29 Oct - 25 Nov	British Airways
27 Oct - 03 Nov	British Airways
29 Oct - 11 Nov	British Airways
25 Oct - 01 Nov	Brussels Airlines

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 $585

Return flights