Cheapest return flights from Houston to Rio Negro in December from $256

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

Return flights

08 Dec - 16 Dec Spirit Airlines
06 Dec - 16 Dec Spirit Airlines
04 Dec - 16 Dec Spirit Airlines
08 Dec - 20 Dec Spirit Airlines
06 Dec - 20 Dec Spirit Airlines
14 Dec - 16 Dec Spirit Airlines
09 Dec - 16 Dec Spirit Airlines
04 Dec - 20 Dec Spirit Airlines
10 Dec - 16 Dec Spirit Airlines
08 Dec - 15 Dec Spirit Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 19 Jan Spirit Airlines
29 Dec - 15 Jan Spirit Airlines
29 Dec - 19 Jan Spirit Airlines
08 Dec - 13 Jan Spirit Airlines
31 Dec - 21 Jan Spirit Airlines
08 Dec - 12 Jan Spirit Airlines
26 Dec - 15 Jan Spirit Airlines
29 Dec - 01 Jan Spirit Airlines
24 Dec - 01 Jan Spirit Airlines

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

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