AirHint found the following cheapest return flights from Luxemburg (LUX) to Athens (ATH) in September 2026 (see full year).

Return flights

14 Sep - 18 Sep	SWISS
08 Sep - 18 Sep	SWISS
13 Sep - 24 Sep	SWISS
20 Sep - 27 Sep	SWISS
13 Sep - 17 Sep	SWISS
10 Sep - 21 Sep	Lufthansa
03 Sep - 10 Sep	SWISS
06 Sep - 20 Sep	SWISS
27 Sep - 04 Oct	SWISS
26 Sep - 03 Oct	SWISS
04 Sep - 11 Sep	Lufthansa
29 Sep - 20 Oct	Volotea	direct
29 Sep - 06 Oct	Volotea	direct
29 Sep - 01 Oct	Volotea	direct
29 Sep - 08 Oct	Volotea	direct
27 Sep - 04 Oct	Aegean Airlines	direct
27 Sep - 06 Oct	Volotea	direct
27 Sep - 08 Oct	Volotea	direct
29 Sep - 04 Oct	Volotea	direct
13 Sep - 17 Sep	Aegean Airlines	direct

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

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 September from $175

Return flights