AirHint found the following cheapest one-way flights from Ljubljana (LJU) to Sofia (SOF) in December 2025 (see full year).
One-Way flights
| 12 Dec | Aegean Airlines | ||
| 19 Dec | Aegean Airlines | ||
| 13 Dec | Air Serbia | ||
| 14 Dec | Air Serbia | ||
| 21 Dec | Air Serbia | ||
| 24 Dec | Air Serbia | ||
| 20 Dec | Air Serbia | ||
| 07 Dec | Air Serbia | ||
| 27 Dec | Air Serbia |
Also check the deals for return flights from Ljubljana to Sofia 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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