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

Return flights

03 Dec - 06 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
02 Dec - 06 Dec	Ryanair
09 Dec - 11 Dec	Ryanair
01 Dec - 06 Dec	Ryanair
15 Dec - 18 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
29 Dec - 02 Jan	Ryanair
05 Dec - 08 Dec	Ryanair
31 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Ryanair
20 Dec - 22 Dec	Ryanair
21 Dec - 26 Dec	Ryanair
29 Dec - 03 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 120€

Return flights