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

Return flights

09 Dec - 13 Dec	Vueling Airlines
04 Dec - 07 Dec	Scandinavian Airlines
12 Dec - 14 Dec	Lufthansa
11 Dec - 14 Dec	KLM
04 Dec - 08 Dec	Scandinavian Airlines
21 Dec - 08 Jan	Lufthansa
24 Dec - 31 Dec	Lufthansa
05 Dec - 08 Dec	Air Serbia
05 Dec - 09 Dec	Volotea
06 Dec - 10 Dec	Lufthansa
31 Dec - 03 Jan	ITA Airways
28 Dec - 04 Jan	Lufthansa
28 Dec - 03 Jan	Lufthansa
21 Dec - 03 Jan	Lufthansa
26 Dec - 03 Jan	Lufthansa

Also check the deals for one-way flights from Florence 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 Florence to Oslo in December from $191

Return flights