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

Return flights

31 Aug - 04 Sep	Lufthansa
30 Aug - 06 Sep	SWISS
31 Aug - 07 Sep	Lufthansa
28 Aug - 31 Aug	Lufthansa
29 Aug - 31 Aug	Lufthansa
28 Aug - 29 Aug	Lufthansa
27 Aug - 29 Aug	SWISS
27 Aug - 30 Aug	KLM
27 Aug - 29 Aug	Luxair	direct
28 Aug - 29 Aug	Luxair	direct
29 Aug - 31 Aug	Luxair	direct
31 Aug - 04 Sep	Luxair	direct
31 Aug - 07 Sep	Luxair	direct
28 Aug - 31 Aug	Luxair	direct

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Luxemburg in August from $263

Return flights