AirHint found the following cheapest one-way flights from Jacksonville (JAX) to Dublin (DUB) in December 2025 (see full year).
One-Way flights
| 09 Dec | jetBlue | ||
| 08 Dec | Allegiant Air | ||
| 14 Dec | Allegiant Air | ||
| 18 Dec | United |
Also check the deals for return flights from Jacksonville to Dublin in December.
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