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

Return flights

05 Dec - 07 Dec	Ryanair
07 Dec - 09 Dec	Ryanair
05 Dec - 12 Dec	Ryanair
06 Dec - 08 Dec	Vueling Airlines
05 Dec - 09 Dec	Ryanair
05 Dec - 07 Dec	Luxair	direct
12 Dec - 14 Dec	Luxair	direct
05 Dec - 09 Dec	Luxair	direct
06 Dec - 08 Dec	Luxair	direct
05 Dec - 08 Dec	Luxair	direct
27 Dec - 03 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 $163

Return flights