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

Return flights

02 Dec - 09 Dec	British Airways
08 Dec - 15 Dec	British Airways
01 Dec - 08 Dec	British Airways
03 Dec - 10 Dec	British Airways
09 Dec - 16 Dec	British Airways
10 Dec - 17 Dec	British Airways
04 Dec - 11 Dec	British Airways
06 Dec - 13 Dec	British Airways
05 Dec - 12 Dec	British Airways
07 Dec - 14 Dec	British Airways
30 Dec - 06 Jan	British Airways
31 Dec - 07 Jan	British Airways
29 Dec - 05 Jan	KLM
14 Dec - 03 Jan	British Airways
28 Dec - 04 Jan	Air Canada
25 Dec - 01 Jan	British Airways
27 Dec - 03 Jan	Air Canada
26 Dec - 02 Jan	British Airways

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 496€

Return flights