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

Return flights

26 May - 02 Jun	SWISS
20 May - 27 May	FrenchBee
01 May - 08 May	FrenchBee
27 May - 03 Jun	FrenchBee
29 May - 05 Jun	FrenchBee
13 May - 20 May	FrenchBee
17 May - 24 May	FrenchBee
04 May - 11 May	FrenchBee
08 May - 15 May	FrenchBee
11 May - 18 May	FrenchBee
19 May - 26 May	Air Canada
22 May - 29 May	FrenchBee
12 May - 19 May	Lufthansa
26 May - 04 Jun	Lufthansa
25 May - 01 Jun	SWISS
28 May - 04 Jun	Lufthansa
31 May - 07 Jun	FrenchBee
30 May - 06 Jun	SWISS

Also check the deals for one-way flights from Montreal to Berlin 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 Berlin in May from $521

Return flights