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

Return flights

26 Sep - 30 Sep	Ryanair
19 Sep - 07 Oct	Volotea	direct
28 Sep - 01 Oct	Vueling Airlines
19 Sep - 23 Sep	Ryanair
19 Sep - 22 Sep	Ryanair
09 Sep - 16 Sep	Ryanair
19 Sep - 30 Sep	Volotea	direct
17 Sep - 20 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
16 Sep - 19 Sep	Ryanair
15 Sep - 21 Sep	Ryanair
09 Sep - 12 Sep	Ryanair
19 Sep - 03 Oct	Volotea	direct
26 Sep - 07 Oct	Volotea	direct
26 Sep - 10 Oct	Volotea	direct
16 Sep - 03 Oct	Volotea	direct
26 Sep - 14 Oct	Volotea	direct
23 Sep - 07 Oct	Volotea	direct
30 Sep - 07 Oct	Volotea	direct
23 Sep - 10 Oct	Volotea	direct

Also check the deals for one-way flights from Alicante 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.

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Cheapest return flights from Alicante to Luxemburg in September from $146

Return flights