AirHint found the following cheapest return flights from Nashville (BNA) to Rio Negro (MDE) in December 2025 (see full year).

Return flights

07 Dec - 14 Dec	Spirit Airlines
09 Dec - 14 Dec	Spirit Airlines
07 Dec - 16 Dec	Spirit Airlines
03 Dec - 05 Dec	Spirit Airlines
09 Dec - 16 Dec	Spirit Airlines
03 Dec - 14 Dec	Spirit Airlines
06 Dec - 14 Dec	Spirit Airlines
07 Dec - 22 Dec	Spirit Airlines
09 Dec - 22 Dec	Spirit Airlines
11 Dec - 16 Dec	Spirit Airlines

Also check the deals for one-way flights from Nashville to Rio Negro in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Nashville to Rio Negro in December from $393

Return flights