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

Return flights

18 Dec - 06 Jan	Lufthansa
05 Dec - 07 Dec	Aegean Airlines	direct
07 Dec - 12 Dec	Volotea	direct
07 Dec - 09 Dec	Volotea	direct
23 Dec - 30 Dec	KLM
18 Dec - 05 Jan	Lufthansa
07 Dec - 26 Dec	Volotea	direct
22 Dec - 27 Dec	Lufthansa
07 Dec - 19 Dec	Volotea	direct
07 Dec - 23 Dec	Volotea	direct
07 Dec - 28 Dec	Volotea	direct
24 Dec - 28 Dec	KLM
23 Dec - 02 Jan	Lufthansa
30 Dec - 03 Jan	KLM
24 Dec - 04 Jan	SWISS
21 Dec - 04 Jan	Ryanair
25 Dec - 04 Jan	easyJet
23 Dec - 03 Jan	Lufthansa
26 Dec - 04 Jan	Ryanair
28 Dec - 03 Jan	Lufthansa

Also check the deals for one-way flights from Luxemburg to Athens 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 Luxemburg to Athens in December from 157€

Return flights