AirHint found the following cheapest one-way flights from Nashville (BNA) to Dublin (DUB) in December 2025 (see full year).
One-Way flights
| 30 Dec | Lufthansa | ||
| 31 Dec | Lufthansa | ||
| 28 Dec | Lufthansa | ||
| 29 Dec | United | ||
| 28 Dec | Aer Lingus | direct | |
| 30 Dec | Aer Lingus | direct |
Also check the deals for return flights from Nashville to Dublin in December.
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