AirHint found the following cheapest return flights from Budapest (BUD) to Ljubljana (LJU) in December 2025 (see full year).
Return flights
| 04 Dec - 11 Dec | Air Serbia | ||
| 18 Dec - 20 Dec | Air Serbia | ||
| 25 Dec - 28 Dec | Air Serbia | ||
| 20 Dec - 22 Dec | LOT |
Also check the deals for one-way flights from Budapest to Ljubljana in December.
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