Cheapest one-way flights from Houston to Rio Negro in October from $132
AirHint found the following cheapest one-way flights from Houston (IAH) to Rio Negro (MDE) in October 2025 (see full year).
One-Way flights
| 02 Oct | Avianca | ||
| 20 Oct | Spirit Airlines | ||
| 02 Oct | United | direct | |
| 20 Oct | United | direct |
Also check the deals for return flights from Houston to Rio Negro in October.
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.
