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

Return flights

29 Aug - 01 Sep	Lufthansa
28 Aug - 01 Sep	Lufthansa
19 Aug - 23 Aug	Ryanair
15 Aug - 01 Sep	SWISS
31 Aug - 15 Sep	Lufthansa
20 Aug - 25 Aug	Lufthansa
26 Aug - 30 Aug	KLM
19 Aug - 22 Aug	KLM
17 Aug - 20 Aug	KLM
24 Aug - 28 Aug	SWISS
16 Aug - 19 Aug	Ryanair
18 Aug - 23 Aug	SWISS
29 Aug - 02 Sep	SWISS
30 Aug - 06 Sep	Lufthansa
31 Aug - 07 Sep	Lufthansa
31 Aug - 06 Sep	Lufthansa
27 Aug - 31 Aug	Ryanair
16 Aug - 23 Aug	Ryanair
29 Aug - 01 Sep	Luxair	direct
28 Aug - 01 Sep	Luxair	direct

Also check the deals for one-way flights from Luxemburg to Copenhagen 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 Luxemburg to Copenhagen in August from $186

Return flights