AirHint found the following cheapest return flights from Montreal (YUL) to Prague (PRG) in May 2026 (see full year).

Return flights

12 May - 19 May	Air Transat
26 May - 02 Jun	Air Transat
27 May - 03 Jun	Air Transat
13 May - 20 May	Air Transat
05 May - 12 May	British Airways
25 May - 01 Jun	Air Transat
18 May - 25 May	FrenchBee
04 May - 11 May	Air Transat
06 May - 13 May	Air Transat
14 May - 21 May	Air France
17 May - 24 May	Air France
19 May - 26 May	Air France
20 May - 27 May	Air France
29 May - 05 Jun	FrenchBee
31 May - 07 Jun	FrenchBee
11 May - 21 Jun	Lufthansa
20 May - 10 Jun	Lufthansa
28 May - 04 Jun	Lufthansa
30 May - 06 Jun	FrenchBee
25 May - 08 Jun	Air France

Also check the deals for one-way flights from Montreal to Prague in May.

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 May from 544€

Return flights