Cheapest return IAH–MDE flights, August

AirHint found the following cheapest return flights from Houston (IAH) to Rio Negro (MDE) in August 2026 (see full year).

Return flights

08 Aug - 16 Aug Frontier Airlines
04 Aug - 12 Aug Frontier Airlines
05 Aug - 11 Aug Frontier Airlines
20 Aug - 05 Sep jetBlue
03 Aug - 12 Aug Frontier Airlines
19 Aug - 21 Aug Frontier Airlines
16 Aug - 16 Aug jetBlue
04 Aug - 12 Aug United direct
03 Aug - 12 Aug United direct
20 Aug - 05 Sep United direct
08 Aug - 16 Aug United direct
19 Aug - 21 Aug United direct

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

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