AirHint found the following cheapest return flights from Berlin (BER) to Sofia (SOF) in December 2026 (see full year).
Return flights
| 23 Dec - 08 Jan | Austrian Airlines | ||
| 25 Dec - 03 Jan | Bulgaria Air | direct | |
| 21 Dec - 06 Jan | SWISS | ||
| 23 Dec - 08 Jan | Bulgaria Air | direct | |
| 25 Dec - 02 Jan | Austrian Airlines | ||
| 29 Dec - 02 Jan | LOT |
Also check the deals for one-way flights from Berlin to Sofia in December.
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