Cheapest return flights from Chicago to Rio Negro in March from $291

AirHint found the following cheapest return flights from Chicago (ORD) to Rio Negro (MDE) in March 2026 (see full year).

Return flights

09 Mar - 16 Mar Avianca
14 Mar - 20 Mar Avianca
18 Mar - 25 Mar Spirit Airlines
24 Mar - 25 Mar Spirit Airlines
09 Mar - 25 Mar Spirit Airlines
14 Mar - 22 Mar Avianca
18 Mar - 24 Mar Spirit Airlines
03 Mar - 18 Mar Spirit Airlines
03 Mar - 24 Mar Spirit Airlines
09 Mar - 18 Mar Spirit Airlines
18 Mar - 02 Apr Spirit Airlines
24 Mar - 02 Apr Spirit Airlines
18 Mar - 04 Apr Spirit Airlines
24 Mar - 04 Apr Spirit Airlines
30 Mar - 02 Apr Spirit Airlines
30 Mar - 04 Apr Spirit Airlines
29 Mar - 04 Apr United
29 Mar - 02 Apr Spirit Airlines
15 Mar - 02 Apr Spirit Airlines
27 Mar - 02 Apr Spirit Airlines

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

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