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

Return flights

31 Dec - 19 Jan	Turkish Airlines
09 Dec - 19 Dec	SWISS
08 Dec - 19 Dec	Lufthansa
09 Dec - 21 Dec	SWISS
31 Dec - 17 Jan	Lufthansa
06 Dec - 14 Dec	Air France
08 Dec - 21 Dec	Lufthansa
10 Dec - 21 Dec	Lufthansa
31 Dec - 18 Jan	Air Serbia
30 Dec - 19 Jan	Turkish Airlines
08 Dec - 20 Dec	Air Serbia
09 Dec - 20 Dec	Emirates
10 Dec - 20 Dec	Emirates
31 Dec - 16 Jan	Lufthansa
22 Dec - 29 Dec	Turkish Airlines
27 Dec - 03 Jan	Turkish Airlines
24 Dec - 02 Jan	Air France

Also check the deals for one-way flights from Ljubljana to Plaisance 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 Ljubljana to Plaisance in December from $918

Return flights