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

Return flights

19 May - 26 May	British Airways
04 May - 11 May	TAP
11 May - 18 May	FrenchBee
03 May - 10 May	British Airways
25 May - 01 Jun	TAP
05 May - 12 May	British Airways
08 May - 15 May	FrenchBee
06 May - 13 May	British Airways
02 May - 09 May	British Airways
01 May - 08 May	FrenchBee
15 May - 22 May	FrenchBee
31 May - 07 Jun	TAP
26 May - 02 Jun	Air Transat
29 May - 05 Jun	FrenchBee
27 May - 03 Jun	Air Transat
28 May - 04 Jun	Finnair
30 May - 06 Jun	Finnair

Also check the deals for one-way flights from Montreal to Cologne 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 Cologne in May from $755

Return flights