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

Return flights

11 Dec - 15 Dec	easyJet
03 Dec - 07 Dec	Wizz Air UK
05 Dec - 07 Dec	Wizz Air UK
09 Dec - 12 Dec	Aegean Airlines
02 Dec - 05 Dec	Aegean Airlines	direct
04 Dec - 07 Dec	Wizz Air UK
02 Dec - 12 Dec	Aegean Airlines
07 Dec - 09 Dec	Aegean Airlines
05 Dec - 11 Dec	easyJet
19 Dec - 22 Dec	easyJet
30 Dec - 04 Jan	KLM
30 Dec - 02 Jan	KLM
19 Dec - 03 Jan	Ryanair
20 Dec - 04 Jan	KLM
14 Dec - 02 Jan	Volotea	direct
16 Dec - 02 Jan	Volotea	direct
29 Dec - 01 Jan	Ryanair
23 Dec - 04 Jan	Aegean Airlines	direct
19 Dec - 03 Jan	Aegean Airlines	direct
30 Dec - 02 Jan	Aegean Airlines	direct

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 $137

Return flights