Cheapest return flights from Duesseldorf to Ljubljana in September from $221

AirHint found the following cheapest return flights from Duesseldorf (DUS) to Ljubljana (LJU) in September 2026 (see full year).

Return flights

20 Sep - 24 Sep Lufthansa
25 Sep - 30 Sep Lufthansa
09 Sep - 12 Sep Lufthansa
20 Sep - 25 Sep Lufthansa
05 Sep - 12 Sep Lufthansa
17 Sep - 20 Sep Lufthansa
01 Sep - 12 Sep Lufthansa
20 Sep - 27 Sep Lufthansa
06 Sep - 13 Sep Lufthansa
12 Sep - 22 Sep Ryanair

Also check the deals for one-way flights from Duesseldorf to Ljubljana in September.

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