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

Return flights

04 Dec - 07 Dec	Lufthansa
23 Dec - 30 Jan	Lufthansa
02 Dec - 05 Dec	easyJet
23 Dec - 29 Dec	Lufthansa
16 Dec - 21 Dec	SWISS
14 Dec - 16 Dec	Ryanair
30 Dec - 04 Jan	Volotea	direct
26 Dec - 31 Dec	Aegean Airlines
02 Dec - 05 Dec	Aegean Airlines	direct
19 Dec - 05 Jan	Lufthansa
02 Dec - 23 Dec	Volotea	direct
02 Dec - 09 Dec	Volotea	direct
02 Dec - 16 Dec	Volotea	direct
23 Dec - 30 Jan	Aegean Airlines	direct
19 Dec - 04 Jan	easyJet
28 Dec - 04 Jan	Volotea	direct
14 Dec - 04 Jan	Volotea	direct
16 Dec - 04 Jan	Volotea	direct
23 Dec - 04 Jan	Volotea	direct
19 Dec - 04 Jan	Aegean Airlines	direct

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 $152

Return flights