AirHint found the following cheapest return flights from Nashville (BNA) to Barcelona (BCN) in January 2026 (see full year).
Return flights
| 31 Jan - 06 Feb | Spirit Airlines | ||
| 08 Jan - 12 Jan | Brussels Airlines | ||
| 11 Jan - 18 Jan | United | ||
| 05 Jan - 11 Jan | Allegiant Air | ||
| 01 Jan - 10 Jan | United |
Also check the deals for one-way flights from Nashville to Barcelona in January.
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