Cheapest one-way flights from Houston to Rio Negro in August from $150

AirHint found the following cheapest one-way flights from Houston (HOU) to Rio Negro (MDE) in August 2026 (see full year).

One-Way flights

04 Aug Spirit Airlines
05 Aug Spirit Airlines
03 Aug Frontier Airlines
21 Aug Frontier Airlines
06 Aug Frontier Airlines
01 Aug Spirit Airlines
02 Aug Spirit Airlines
07 Aug Spirit Airlines
14 Aug Spirit Airlines
03 Aug United direct

Also check the deals for return flights from Houston to Rio Negro in August.

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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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