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

Return flights

09 Dec - 19 Dec	SWISS
01 Dec - 17 Dec	SWISS
04 Dec - 14 Dec	SWISS
12 Dec - 17 Jan	Lufthansa
06 Dec - 20 Dec	SWISS
12 Dec - 25 Jan	Air Dolomiti
31 Dec - 28 Jan	Turkish Airlines
13 Dec - 24 Jan	SWISS
11 Dec - 25 Jan	SWISS
08 Dec - 15 Dec	Ryanair
09 Dec - 22 Dec	Air Dolomiti
16 Dec - 23 Dec	Air Dolomiti
15 Dec - 22 Dec	Turkish Airlines
10 Dec - 25 Dec	Condor
23 Dec - 17 Jan	SWISS
16 Dec - 31 Dec	SWISS
13 Dec - 25 Jan	SWISS
24 Dec - 17 Jan	SWISS
25 Dec - 16 Jan	SWISS
12 Dec - 10 Jan	Lufthansa

Also check the deals for one-way flights from Luxemburg 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 Luxemburg to Plaisance in December from 722€

Return flights