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
25 Dec - 05 Jan	Luxair	direct
17 Dec - 24 Dec	Ryanair
16 Dec - 24 Dec	Ryanair
15 Dec - 16 Dec	Wizz Air Malta
20 Dec - 21 Dec	Ryanair
27 Dec - 01 Jan	Luxair	direct
15 Dec - 24 Dec	Ryanair
28 Dec - 04 Jan	Luxair	direct
14 Dec - 16 Dec	Ryanair
31 Dec - 04 Jan	SWISS
20 Dec - 22 Dec	Luxair	direct
14 Dec - 24 Dec	Ryanair
14 Dec - 15 Dec	Ryanair
26 Dec - 29 Dec	SWISS
20 Dec - 06 Jan	Luxair	direct
29 Dec - 01 Jan	Aeroitalia
31 Dec - 02 Jan	Aeroitalia
29 Dec - 02 Jan	Aeroitalia
30 Dec - 04 Jan	Ryanair

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 $142

Return flights