AirHint found the following cheapest one-way flights from Athens (ATH) to Belgrade (BEG) in December 2025 (see full year).
One-Way flights
| 10 Dec | Wizz Air | ||
| 05 Dec | Wizz Air | ||
| 03 Dec | Wizz Air | ||
| 07 Dec | Wizz Air UK | ||
| 17 Dec | easyJet | ||
| 06 Dec | Ryanair | ||
| 16 Dec | Ryanair | ||
| 18 Dec | Ryanair | ||
| 09 Dec | easyJet | ||
| 04 Dec | Ryanair |
Also check the deals for return flights from Athens to Belgrade in December.
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