AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Belgrade (BEG) in December 2025 (see full year).
One-Way flights
| 24 Dec | jetBlue | ||
| 23 Dec | Allegiant Air | ||
| 25 Dec | Allegiant Air | ||
| 22 Dec | KLM | ||
| 20 Dec | Frontier Airlines | ||
| 21 Dec | Frontier Airlines | ||
| 19 Dec | Frontier Airlines |
Also check the deals for return flights from Jacksonville to Belgrade in December.
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