AirHint found the following cheapest one-way flights from Brussels (BRU) to Ljubljana (LJU) in December 2025 (see full year).
One-Way flights
| 12 Dec | Wizz Air | ||
| 15 Dec | Vueling Airlines | ||
| 07 Dec | Brussels Airlines | direct | |
| 05 Dec | Wizz Air | ||
| 08 Dec | Ryanair | ||
| 03 Dec | Air Serbia | ||
| 10 Dec | Air Serbia | ||
| 11 Dec | Ryanair | ||
| 29 Dec | Wizz Air | ||
| 09 Dec | LOT |
Also check the deals for return flights from Brussels to Ljubljana in December.
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