AirHint found the following cheapest one-way flights from Sofia (SOF) to Athens (ATH) in December 2025 (see full year).
One-Way flights
| 10 Dec | Ryanair | ||
| 09 Dec | Aegean Airlines | direct | |
| 11 Dec | Wizz Air | ||
| 16 Dec | Ryanair | ||
| 18 Dec | Wizz Air | ||
| 18 Dec | SKY express | direct | |
| 14 Dec | Ryanair | ||
| 31 Dec | Ryanair | ||
| 08 Dec | Ryanair | ||
| 11 Dec | Bulgaria Air | direct |
Also check the deals for return flights from Sofia to Athens in December.
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