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

Return flights

21 Aug - 28 Aug	Lufthansa
21 Aug - 25 Aug	Lufthansa
20 Aug - 27 Aug	SWISS
22 Aug - 24 Aug	Lufthansa
15 Aug - 17 Aug	Lufthansa
08 Aug - 10 Aug	Ryanair
30 Aug - 13 Sep	Ryanair
01 Aug - 04 Aug	Lufthansa
31 Aug - 14 Sep	KLM
21 Aug - 25 Aug	Luxair	direct
21 Aug - 28 Aug	Luxair	direct
15 Aug - 17 Aug	Luxair	direct
31 Aug - 14 Sep	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 159€

Return flights