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

Return flights

06 Dec - 10 Dec	Ryanair
01 Dec - 04 Dec	easyJet
08 Dec - 10 Dec	Ryanair
06 Dec - 09 Dec	Ryanair
06 Dec - 08 Dec	Ryanair
01 Dec - 03 Dec	Wizz Air Malta
12 Dec - 14 Dec	Ryanair
27 Dec - 05 Jan	Ryanair
11 Dec - 13 Dec	easyJet
13 Dec - 14 Dec	easyJet
11 Dec - 16 Dec	easyJet
22 Dec - 02 Jan	Wizz Air Malta
28 Dec - 02 Jan	Wizz Air Malta
30 Dec - 01 Jan	easyJet
30 Dec - 02 Jan	easyJet
29 Dec - 04 Jan	easyJet
29 Dec - 02 Jan	easyJet
25 Dec - 03 Jan	Wizz Air Malta

Also check the deals for one-way flights from London 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 London to Luxemburg in December from 119€

Return flights