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

Return flights

19 May - 26 May	Air France
20 May - 27 May	Air France
17 May - 24 May	KLM
05 May - 12 May	Air France
13 May - 20 May	Air France
21 May - 28 May	Air France
10 May - 17 May	Air France
14 May - 21 May	Air France
01 May - 08 May	Air France
04 May - 11 May	Air Canada
27 May - 10 Jun	Air Transat
25 May - 01 Jun	Air Transat
27 May - 11 Jun	Air Canada
27 May - 03 Jun	Air Canada
26 May - 02 Jun	Air Canada
29 May - 05 Jun	Air Transat
28 May - 04 Jun	Air Canada
23 May - 08 Jun	Air Canada
24 May - 08 Jun	Air Canada
31 May - 07 Jun	Air Transat

Also check the deals for one-way flights from Montreal to Copenhagen 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 Copenhagen in May from $615

Return flights