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

Return flights

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

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 616€

Return flights