AirHint found the following cheapest return flights from Ljubljana (LJU) to Duesseldorf (DUS) in July 2025 (see full year).

Return flights

26 Jul - 31 Jul	Eurowings	direct
22 Jul - 26 Jul	Eurowings	direct
17 Jul - 19 Jul	Eurowings	direct
22 Jul - 29 Jul	Eurowings	direct
17 Jul - 24 Jul	Eurowings	direct
24 Jul - 26 Jul	Eurowings	direct
27 Jul - 31 Jul	Air Serbia
29 Jul - 05 Aug	SWISS
29 Jul - 05 Aug	Eurowings	direct
26 Jul - 29 Jul	Eurowings	direct
19 Jul - 22 Jul	Eurowings	direct
24 Jul - 28 Jul	SWISS
31 Jul - 01 Aug	Eurowings
29 Jul - 02 Aug	Eurowings	direct
28 Jul - 01 Aug	Lufthansa

Also check the deals for one-way flights from Ljubljana to Duesseldorf 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 Ljubljana to Duesseldorf in July from 109€

Return flights