AirHint found the following cheapest one-way flights from Newark (EWR) to Belgrade (BEG) in December 2025 (see full year).
One-Way flights
| 28 Dec | FrenchBee | ||
| 15 Dec | Austrian Airlines | ||
| 25 Dec | Lufthansa | ||
| 27 Dec | Lufthansa | ||
| 24 Dec | KLM | ||
| 26 Dec | Delta | ||
| 16 Dec | Lufthansa | ||
| 23 Dec | KLM | ||
| 22 Dec | Frontier Airlines | ||
| 21 Dec | Air Caraibes |
Also check the deals for return flights from Newark to Belgrade in December.
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