AirHint found the following cheapest return flights from Rome (FCO) to Ljubljana (LJU) in December 2025 (see full year).

Return flights

13 Dec - 15 Dec	Wizz Air Malta
14 Dec - 18 Dec	Vueling Airlines
14 Dec - 17 Dec	Ryanair
06 Dec - 12 Dec	Wizz Air Malta
25 Dec - 31 Dec	SWISS
08 Dec - 10 Dec	Air France
16 Dec - 23 Dec	Vueling Airlines
14 Dec - 22 Dec	Vueling Airlines
11 Dec - 12 Dec	Wizz Air Malta
12 Dec - 14 Dec	Wizz Air
31 Dec - 07 Jan	SWISS
26 Dec - 02 Jan	Wizz Air Malta
30 Dec - 04 Jan	Wizz Air Malta
29 Dec - 03 Jan	Lufthansa
30 Dec - 03 Jan	Lufthansa
28 Dec - 01 Jan	Vueling Airlines
29 Dec - 01 Jan	easyJet
31 Dec - 04 Jan	Wizz Air Malta
29 Dec - 02 Jan	SWISS
31 Dec - 01 Jan	Wizz Air Malta

Also check the deals for one-way flights from Rome to Ljubljana 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 Ljubljana in December from $200

Return flights