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

Return flights

20 Dec - 06 Jan	Ryanair
20 Dec - 05 Jan	Ryanair
26 Dec - 01 Jan	Luxair	direct
20 Dec - 23 Dec	Ryanair
16 Dec - 23 Dec	Ryanair
18 Dec - 23 Dec	Ryanair
20 Dec - 28 Dec	Ryanair
14 Dec - 15 Dec	Ryanair
20 Dec - 21 Dec	Ryanair
17 Dec - 23 Dec	Ryanair
27 Dec - 31 Dec	Luxair	direct
27 Dec - 01 Jan	Luxair	direct
16 Dec - 17 Dec	Ryanair
13 Dec - 23 Dec	Ryanair
31 Dec - 03 Jan	SWISS
31 Dec - 07 Jan	SWISS
31 Dec - 02 Jan	Ryanair
20 Dec - 05 Jan	Luxair	direct
20 Dec - 06 Jan	Luxair	direct
29 Dec - 02 Jan	Aeroitalia

Also check the deals for one-way flights from Rome to Luxemburg 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 Luxemburg in December from 121€

Return flights