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

Return flights

08 Dec - 15 Dec	Air Transat
05 Dec - 12 Dec	Scandinavian Airlines
07 Dec - 14 Dec	Air Transat
02 Dec - 09 Dec	British Airways
01 Dec - 08 Dec	British Airways
03 Dec - 10 Dec	British Airways
04 Dec - 11 Dec	Air France
06 Dec - 13 Dec	Air France
09 Dec - 16 Dec	Air France
10 Dec - 17 Dec	TAP
31 Dec - 07 Jan	SWISS
30 Dec - 06 Jan	SWISS
29 Dec - 05 Jan	Brussels Airlines
25 Dec - 01 Jan	British Airways
28 Dec - 04 Jan	Air Canada
26 Dec - 02 Jan	British Airways
27 Dec - 03 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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Montreal to Copenhagen in December from 506€

Return flights