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

Return flights

12 Dec - 15 Dec	easyJet
07 Dec - 12 Dec	easyJet
25 Dec - 02 Jan	easyJet
22 Dec - 02 Jan	Ryanair
23 Dec - 02 Jan	Ryanair
28 Dec - 04 Jan	easyJet
18 Dec - 22 Dec	easyJet
29 Dec - 02 Jan	Ryanair
05 Dec - 08 Dec	KLM
06 Dec - 08 Dec	KLM
02 Dec - 05 Dec	KLM
06 Dec - 09 Dec	KLM
26 Dec - 30 Dec	KLM
08 Dec - 12 Dec	Wizz Air UK
23 Dec - 04 Jan	Ryanair
11 Dec - 14 Dec	KLM
29 Dec - 04 Jan	Ryanair
19 Dec - 03 Jan	Ryanair
23 Dec - 12 Jan	Ryanair
22 Dec - 06 Jan	Ryanair

Also check the deals for one-way flights from Athens 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 Athens to Luxemburg in December from 114€

Return flights