AirHint found the following cheapest one-way flights from Nashville (BNA) to Dublin (DUB) in December 2025 (see full year).
One-Way flights
| 06 Dec | Spirit Airlines | ||
| 09 Dec | jetBlue | ||
| 12 Dec | Icelandair | ||
| 14 Dec | Spirit Airlines | ||
| 29 Dec | Icelandair | ||
| 31 Dec | jetBlue | ||
| 15 Dec | Icelandair | ||
| 16 Dec | jetBlue | ||
| 28 Dec | Air Canada | ||
| 09 Dec | Aer Lingus | direct |
Also check the deals for return flights from Nashville to Dublin in December.
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