AirHint found the following cheapest one-way flights from Budapest (BUD) to Sofia (SOF) in December 2025 (see full year).
One-Way flights
| 11 Dec | Ryanair | direct | |
| 17 Dec | Wizz Air | ||
| 18 Dec | Wizz Air | ||
| 12 Dec | Wizz Air | ||
| 14 Dec | Ryanair | ||
| 22 Dec | Wizz Air | ||
| 15 Dec | Wizz Air | ||
| 29 Dec | Ryanair | direct | |
| 24 Dec | Wizz Air | ||
| 22 Dec | Ryanair | direct |
Also check the deals for return flights from Budapest to Sofia in December.
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