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

Return flights

29 Aug - 30 Aug	Luxair	direct
26 Aug - 29 Aug	Luxair	direct
29 Aug - 02 Sep	Luxair	direct
29 Aug - 01 Sep	Luxair	direct
25 Aug - 29 Aug	Luxair	direct
29 Aug - 04 Sep	KLM
27 Aug - 29 Aug	Luxair	direct
16 Aug - 23 Aug	Luxair	direct
30 Aug - 02 Sep	Luxair	direct
30 Aug - 01 Sep	Luxair	direct
22 Aug - 29 Aug	Luxair	direct
28 Aug - 30 Aug	Luxair	direct
29 Aug - 31 Aug	Luxair	direct
21 Aug - 23 Aug	Luxair	direct
31 Aug - 06 Sep	Luxair	direct
26 Aug - 28 Aug	Luxair	direct
26 Aug - 02 Sep	Luxair	direct
26 Aug - 01 Sep	Luxair	direct
29 Aug - 03 Sep	KLM
28 Aug - 03 Sep	KLM

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 187€

Return flights