AirHint found the following cheapest return flights from Duesseldorf (DUS) to Ljubljana (LJU) in June 2026 (see full year).
Return flights
| 15 Jun - 18 Jun | Air Serbia | ||
| 15 Jun - 22 Jun | SWISS | ||
| 19 Jun - 22 Jun | SWISS | ||
| 12 Jun - 19 Jun | LOT | ||
| 04 Jun - 07 Jun | LOT |
Also check the deals for one-way flights from Duesseldorf to Ljubljana in June.
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