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

Return flights

20 Sep - 23 Sep	Ryanair
30 Sep - 08 Oct	easyJet
24 Sep - 01 Oct	Wizz Air Malta
24 Sep - 29 Sep	Wizz Air Malta
23 Sep - 25 Sep	Wizz Air Malta
27 Sep - 30 Sep	Ryanair
30 Sep - 02 Oct	Wizz Air Malta
30 Sep - 01 Oct	Wizz Air Malta
20 Sep - 30 Sep	Ryanair
27 Sep - 02 Oct	Ryanair
29 Sep - 01 Oct	Wizz Air Malta
29 Sep - 02 Oct	Wizz Air Malta
29 Sep - 30 Sep	Wizz Air Malta
30 Sep - 04 Oct	easyJet
23 Sep - 30 Sep	Wizz Air Malta
30 Sep - 03 Oct	Wizz Air Malta
29 Sep - 03 Oct	Wizz Air Malta
25 Sep - 29 Sep	Wizz Air Malta
22 Sep - 30 Sep	Wizz Air Malta
25 Sep - 30 Sep	Vueling Airlines

Also check the deals for one-way flights from London 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 London to Luxemburg in September from $141

Return flights