AirHint found the following cheapest return flights from Montreal (YUL) to Copenhagen (CPH) in December 2025 (see full year).

Return flights

04 Dec - 11 Dec	Air Transat
08 Dec - 15 Dec	Air Transat
05 Dec - 12 Dec	Air Transat
03 Dec - 10 Dec	Air France
02 Dec - 09 Dec	Air France
01 Dec - 08 Dec	Air France
10 Dec - 17 Dec	Air France
09 Dec - 16 Dec	Air France
06 Dec - 13 Dec	Air France
31 Dec - 07 Jan	SWISS
11 Dec - 18 Dec	British Airways
30 Dec - 06 Jan	Air Canada
24 Dec - 17 Jan	Air Canada
29 Dec - 05 Jan	SWISS
23 Dec - 17 Jan	Lufthansa
24 Dec - 05 Jan	SWISS
28 Dec - 04 Jan	British Airways
27 Dec - 03 Jan	British Airways
26 Dec - 02 Jan	British Airways
22 Dec - 05 Jan	British Airways

Also check the deals for one-way flights from Montreal to Copenhagen in December.

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 December from 551€

Return flights