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

Return flights

20 Jul - 26 Jul	KLM
14 Jul - 22 Aug	Lufthansa
15 Jul - 28 Jul	SWISS
14 Jul - 21 Jul	Lufthansa
15 Jul - 21 Jul	SWISS
15 Jul - 22 Jul	SWISS
14 Jul - 19 Jul	KLM
14 Jul - 20 Jul	KLM
28 Jul - 06 Aug	Luxair
15 Jul - 20 Jul	KLM
15 Jul - 19 Jul	KLM
14 Jul - 16 Jul	SWISS
28 Jul - 06 Aug	Luxair	direct
31 Jul - 04 Aug	SWISS
31 Jul - 05 Aug	SWISS
31 Jul - 03 Aug	SWISS
31 Jul - 01 Aug	SWISS
14 Jul - 22 Aug	Luxair	direct
27 Jul - 02 Aug	Lufthansa
31 Jul - 05 Aug	Luxair	direct

Also check the deals for one-way flights from Luxemburg to Copenhagen in July.

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 July from $255

Return flights