AirHint found the following cheapest one-way flights from Nashville (BNA) to Istanbul (IST) in December 2025 (see full year).
One-Way flights
| 30 Dec | Aer Lingus | ||
| 27 Dec | Allegiant Air | ||
| 28 Dec | Aer Lingus | ||
| 29 Dec | Spirit Airlines |
Also check the deals for return flights from Nashville to Istanbul in December.
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