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

Return flights

11 Aug - 17 Aug	Ryanair
19 Aug - 26 Aug	Wizz Air UK
30 Aug - 02 Sep	Ryanair
09 Aug - 12 Aug	Ryanair
19 Aug - 20 Aug	Wizz Air UK
28 Aug - 29 Aug	Wizz Air UK
23 Aug - 26 Aug	Ryanair
26 Aug - 12 Sep	Wizz Air UK
23 Aug - 29 Aug	Ryanair
30 Aug - 06 Sep	Ryanair
06 Aug - 08 Aug	Ryanair
26 Aug - 29 Aug	Wizz Air UK
25 Aug - 29 Aug	Ryanair
29 Aug - 02 Sep	Wizz Air
30 Aug - 01 Sep	Ryanair
29 Aug - 03 Sep	Wizz Air
30 Aug - 08 Sep	Ryanair
28 Aug - 02 Sep	Ryanair
28 Aug - 01 Sep	easyJet
29 Aug - 01 Sep	easyJet

Also check the deals for one-way flights from London to Luxemburg 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 London to Luxemburg in August from 148€

Return flights