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

Return flights

01 Dec - 30 Dec	Wizz Air Malta
11 Dec - 14 Dec	Wizz Air
04 Dec - 07 Dec	Wizz Air
03 Dec - 07 Dec	Wizz Air
10 Dec - 14 Dec	Wizz Air
10 Dec - 15 Dec	Wizz Air
12 Dec - 15 Dec	Wizz Air
12 Dec - 14 Dec	Wizz Air
11 Dec - 15 Dec	Wizz Air
03 Dec - 08 Dec	Wizz Air
25 Dec - 01 Jan	Wizz Air
25 Dec - 04 Jan	Wizz Air
26 Dec - 07 Jan	Wizz Air
20 Dec - 08 Jan	Ryanair
25 Dec - 02 Jan	Wizz Air
18 Dec - 06 Jan	Ryanair
31 Dec - 04 Jan	Wizz Air
18 Dec - 04 Jan	Vueling Airlines
18 Dec - 01 Jan	Vueling Airlines
26 Dec - 04 Jan	Wizz Air Malta

Also check the deals for one-way flights from Rome 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 Rome to Oslo in December from $97

Return flights