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

Return flights

17 Sep - 24 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
16 Sep - 23 Sep	Ryanair
25 Sep - 29 Sep	Ryanair
04 Sep - 21 Sep	Ryanair
18 Sep - 25 Sep	Ryanair
10 Sep - 14 Sep	Ryanair
23 Sep - 24 Sep	Ryanair
05 Sep - 22 Sep	SWISS
04 Sep - 08 Sep	SWISS
28 Sep - 02 Oct	Wizz Air Malta
30 Sep - 16 Oct	Volotea	direct
30 Sep - 02 Oct	Volotea	direct
16 Sep - 05 Oct	Volotea	direct
18 Sep - 05 Oct	Volotea	direct
23 Sep - 05 Oct	Volotea	direct
16 Sep - 02 Oct	Volotea	direct
18 Sep - 02 Oct	Volotea	direct
23 Sep - 02 Oct	Volotea	direct
30 Sep - 09 Oct	Volotea	direct

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

Book a cheap hotel in Luxemburg

Cheap car rent in Luxemburg

Cheapest return flights from Athens to Luxemburg in September from 134€

Return flights