Cheapest return flights from Chicago to Rio Negro in December from $251

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

Return flights

06 Dec - 10 Dec Spirit Airlines
06 Dec - 16 Dec Spirit Airlines
06 Dec - 09 Dec Spirit Airlines
01 Dec - 16 Dec Copa
06 Dec - 12 Dec Spirit Airlines
07 Dec - 10 Dec Spirit Airlines
06 Dec - 23 Dec Spirit Airlines
07 Dec - 16 Dec Spirit Airlines
09 Dec - 12 Dec Copa
06 Dec - 26 Dec Spirit Airlines
31 Dec - 21 Jan Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
31 Dec - 20 Jan Spirit Airlines
14 Dec - 10 Jan Frontier Airlines
31 Dec - 07 Jan jetBlue
11 Dec - 01 Jan Spirit Airlines
30 Dec - 04 Jan Spirit Airlines
30 Dec - 17 Jan Spirit Airlines
15 Dec - 01 Jan Spirit Airlines
31 Dec - 01 Jan Spirit Airlines

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

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