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

Return flights

12 Dec - 15 Dec	Ryanair
27 Dec - 03 Jan	Luxair	direct
28 Dec - 04 Jan	Luxair	direct
28 Dec - 03 Jan	Luxair	direct
26 Dec - 30 Dec	Ryanair
31 Dec - 04 Jan	Ryanair
31 Dec - 05 Jan	Aeroitalia
20 Dec - 27 Dec	Ryanair
29 Dec - 03 Jan	Ryanair
31 Dec - 03 Jan	Ryanair
27 Dec - 30 Dec	Luxair
21 Dec - 22 Dec	Ryanair
18 Dec - 21 Dec	Luxair
06 Dec - 08 Dec	Aeroitalia
15 Dec - 19 Dec	Ryanair
18 Dec - 21 Dec	Luxair	direct
20 Dec - 21 Dec	Luxair	direct
30 Dec - 03 Jan	Ryanair
28 Dec - 02 Jan	Luxair
30 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Cagliari 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 Cagliari to Luxemburg in December from 108€

Return flights