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

Return flights

04 May - 11 May	Lufthansa
25 May - 01 Jun	Air Transat
06 May - 13 May	Lufthansa
05 May - 12 May	Lufthansa
12 May - 19 May	Lufthansa
20 May - 27 May	Lufthansa
13 May - 20 May	Lufthansa
19 May - 26 May	Lufthansa
26 May - 02 Jun	Lufthansa
27 May - 03 Jun	Lufthansa
11 May - 18 May	Lufthansa
18 May - 25 May	Air Canada
03 May - 10 May	Air France
28 May - 04 Jun	SWISS
29 May - 05 Jun	Air Transat

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.

Book a cheap hotel in Prague

Cheap car rent in Prague

Cheapest return flights from Montreal to Prague in May from $643

Return flights