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

Return flights

10 Dec - 17 Dec	Air Transat
03 Dec - 10 Dec	Air Transat
04 Dec - 11 Dec	Air Transat
06 Dec - 13 Dec	SWISS
08 Dec - 15 Dec	Air Canada
01 Dec - 08 Dec	Air Canada
07 Dec - 14 Dec	Air Transat
02 Dec - 09 Dec	SWISS
09 Dec - 16 Dec	Air Canada
05 Dec - 12 Dec	Air France
25 Dec - 01 Jan	Porter Airlines (Canada) Ltd
31 Dec - 07 Jan	Air Canada
30 Dec - 06 Jan	SWISS
29 Dec - 05 Jan	Air France
13 Dec - 03 Jan	Azores Airlines
28 Dec - 04 Jan	Air Canada
24 Dec - 02 Jan	Air France
14 Dec - 03 Jan	Air Canada
27 Dec - 03 Jan	Air Canada
15 Dec - 03 Jan	Air Canada

Also check the deals for one-way flights from Montreal to Oslo 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 Oslo in December from 573€

Return flights