AirHint found the following cheapest return flights from Jacksonville (JAX) to Zagreb (ZAG) in December 2025 (see full year).
Return flights
| 09 Dec - 24 Dec | Delta | ||
| 17 Dec - 24 Dec | Lufthansa | ||
| 16 Dec - 10 Jan | Turkish Airlines | ||
| 17 Dec - 31 Dec | Lufthansa | ||
| 17 Dec - 30 Dec | TAP |
Also check the deals for one-way flights from Jacksonville to Zagreb in December.
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