Cheapest return flights from Atlanta to Rio Negro in December from $444

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

Return flights

08 Dec - 16 Dec Spirit Airlines
08 Dec - 24 Dec American Airlines
03 Dec - 16 Dec Spirit Airlines
13 Dec - 10 Jan Spirit Airlines
03 Dec - 24 Dec Spirit Airlines
03 Dec - 17 Dec Spirit Airlines
08 Dec - 29 Dec Spirit Airlines
22 Dec - 29 Dec Frontier Airlines
08 Dec - 17 Dec Spirit Airlines
29 Dec - 02 Jan Frontier Airlines
27 Dec - 06 Jan Key Lime Air dba Denver Air Connection
13 Dec - 16 Dec Spirit Airlines
25 Dec - 04 Jan LATAM Airlines Group
08 Dec - 25 Dec Spirit Airlines
20 Dec - 02 Jan Frontier Airlines
23 Dec - 06 Jan LATAM Airlines Group
13 Dec - 02 Jan Spirit Airlines
18 Dec - 04 Jan Spirit Airlines
20 Dec - 10 Jan Spirit Airlines
23 Dec - 10 Jan Spirit Airlines

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

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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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