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

Return flights

31 Aug - 11 Sep	Ryanair
28 Aug - 05 Sep	Ryanair
21 Aug - 11 Sep	Aegean Airlines
20 Aug - 10 Sep	Ryanair
26 Aug - 03 Sep	Aegean Airlines
28 Aug - 06 Sep	Ryanair
30 Aug - 05 Sep	Ryanair
22 Aug - 10 Sep	KLM
31 Aug - 14 Sep	Aegean Airlines
26 Aug - 02 Sep	Aegean Airlines
24 Aug - 26 Aug	Aegean Airlines
24 Aug - 28 Aug	Lufthansa
03 Aug - 06 Aug	KLM
25 Aug - 29 Aug	Ryanair
20 Aug - 28 Aug	Lufthansa
21 Aug - 28 Aug	Lufthansa
21 Aug - 25 Aug	Aegean Airlines
14 Aug - 28 Aug	SWISS
03 Aug - 07 Aug	KLM
17 Aug - 28 Aug	Lufthansa

Also check the deals for one-way flights from Luxemburg to Athens in August.

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 August from 172€

Return flights