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

Return flights

30 Aug - 02 Sep	Ryanair
30 Aug - 05 Sep	Ryanair
19 Aug - 20 Aug	Wizz Air UK
30 Aug - 03 Sep	Ryanair
20 Aug - 26 Aug	Wizz Air
27 Aug - 29 Aug	Wizz Air UK
23 Aug - 26 Aug	Ryanair
27 Aug - 06 Sep	Wizz Air UK
26 Aug - 29 Aug	Wizz Air
30 Aug - 31 Aug	Ryanair
19 Aug - 22 Aug	Wizz Air UK
22 Aug - 26 Aug	Wizz Air UK
27 Aug - 03 Sep	Ryanair
16 Aug - 13 Sep	Ryanair
23 Aug - 29 Aug	Ryanair
22 Aug - 19 Sep	Wizz Air UK
29 Aug - 03 Sep	Wizz Air UK
25 Aug - 29 Aug	Wizz Air
31 Aug - 01 Sep	Wizz Air UK
30 Aug - 01 Sep	Ryanair

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 135€

Return flights