AirHint found the following cheapest return flights from Madrid (MAD) to Luxemburg (LUX) in December 2026 (see full year).

Return flights

10 Dec - 13 Dec	Wizz Air Malta
06 Dec - 14 Dec	Wizz Air Malta
11 Dec - 13 Dec	Wizz Air Malta
06 Dec - 09 Dec	Luxair	direct
05 Dec - 13 Dec	TAP
27 Dec - 31 Dec	Luxair	direct
20 Dec - 23 Dec	Luxair	direct
05 Dec - 08 Dec	Iberia
10 Dec - 13 Dec	Luxair	direct
11 Dec - 13 Dec	Luxair	direct
27 Dec - 01 Jan	Wizz Air Malta
27 Dec - 01 Jan	Luxair	direct

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.

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Cheapest return flights from Madrid to Luxemburg in December from 126€

Return flights