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

Return flights

03 May - 10 May	British Airways
19 May - 26 May	British Airways
01 May - 08 May	Lufthansa
04 May - 11 May	Lufthansa
05 May - 12 May	Lufthansa
06 May - 13 May	Lufthansa
07 May - 14 May	Lufthansa
08 May - 15 May	Lufthansa
09 May - 16 May	Lufthansa
10 May - 17 May	Lufthansa
26 May - 02 Jun	Air Transat
27 May - 03 Jun	Air Transat
18 May - 09 Jun	Lufthansa
25 May - 01 Jun	Lufthansa
28 May - 04 Jun	Lufthansa
30 May - 06 Jun	Air Transat
29 May - 05 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 506€

Return flights