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

Return flights

12 Dec - 01 Jan	Ryanair	direct
06 Dec - 10 Dec	Ryanair	direct
28 Dec - 01 Jan	Ryanair	direct
28 Dec - 04 Jan	Ryanair	direct
28 Dec - 07 Jan	Ryanair	direct
31 Dec - 04 Jan	Ryanair	direct
31 Dec - 01 Jan	Ryanair	direct
31 Dec - 07 Jan	Ryanair	direct
22 Dec - 04 Jan	Ryanair	direct
22 Dec - 01 Jan	Ryanair	direct
22 Dec - 07 Jan	Ryanair	direct
11 Dec - 31 Dec	Ryanair	direct
12 Dec - 31 Dec	Ryanair	direct
11 Dec - 14 Dec	Ryanair
10 Dec - 14 Dec	Ryanair
06 Dec - 07 Dec	Ryanair
26 Dec - 30 Dec	Luxair	direct
11 Dec - 15 Dec	Ryanair	direct
06 Dec - 15 Dec	Ryanair	direct
06 Dec - 09 Dec	Ryanair

Also check the deals for one-way flights from Madrid 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.

Book a cheap hotel in Luxemburg

Cheap car rent in Luxemburg

Cheapest return flights from Madrid to Luxemburg in December from $92

Return flights