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

Return flights

08 Jul - 10 Jul	Eurowings	direct
19 Jul - 24 Jul	Eurowings	direct
03 Jul - 10 Jul	Eurowings	direct
08 Jul - 12 Jul	Eurowings	direct
17 Jul - 24 Jul	Eurowings	direct
19 Jul - 22 Jul	Eurowings	direct
29 Jul - 31 Jul	Air Serbia
24 Jul - 26 Jul	Eurowings	direct
10 Jul - 12 Jul	Eurowings	direct
26 Jul - 30 Jul	Eurowings
28 Jul - 04 Aug	SWISS
28 Jul - 05 Aug	SWISS
29 Jul - 05 Aug	SWISS
29 Jul - 05 Aug	Eurowings	direct
30 Jul - 02 Aug	Air Serbia

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 $130

Return flights