AirHint found the following cheapest one-way flights from Zurich (ZRH) to Sofia (SOF) in December 2025 (see full year).
One-Way flights
| 01 Dec | easyJet | ||
| 08 Dec | easyJet | ||
| 06 Dec | easyJet | ||
| 15 Dec | easyJet | ||
| 04 Dec | Vueling Airlines | ||
| 17 Dec | easyJet | ||
| 18 Dec | easyJet | ||
| 14 Dec | Air Serbia | ||
| 16 Dec | SWISS | ||
| 28 Dec | SWISS | direct |
Also check the deals for return flights from Zurich to Sofia in December.
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