AirHint found the following cheapest one-way flights from Brussels (BRU) to Ljubljana (LJU) in December 2025 (see full year).
One-Way flights
| 16 Dec | Ryanair | ||
| 29 Dec | Brussels Airlines | direct | |
| 31 Dec | Wizz Air | ||
| 15 Dec | Brussels Airlines | direct | |
| 10 Dec | Air Serbia | ||
| 01 Dec | Air Serbia | ||
| 17 Dec | Air Serbia | ||
| 22 Dec | Lufthansa | ||
| 18 Dec | Ryanair | ||
| 04 Dec | Ryanair |
Also check the deals for return flights from Brussels to Ljubljana in December.
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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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