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

Return flights

05 Dec - 07 Dec	Ryanair
04 Dec - 07 Dec	easyJet
05 Dec - 09 Dec	Ryanair
11 Dec - 14 Dec	Vueling Airlines
04 Dec - 08 Dec	Luxair	direct
06 Dec - 09 Dec	Luxair	direct
06 Dec - 08 Dec	Luxair	direct
04 Dec - 07 Dec	Luxair	direct
05 Dec - 07 Dec	Luxair	direct
12 Dec - 14 Dec	Luxair	direct
20 Dec - 01 Jan	Luxair	direct
22 Dec - 05 Jan	Luxair	direct
22 Dec - 03 Jan	Luxair	direct
29 Dec - 02 Jan	Lufthansa
31 Dec - 04 Jan	Ryanair
31 Dec - 04 Jan	Luxair	direct
27 Dec - 03 Jan	Lufthansa
27 Dec - 03 Jan	Luxair	direct
31 Dec - 02 Jan	Luxair	direct
29 Dec - 02 Jan	Luxair	direct

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 $148

Return flights