AirHint found the following cheapest return flights from Houston (IAH) to Rio De Janeiro (GIG) in October 2025 (see full year).
Return flights
| 27 Oct - 31 Oct | Spirit Airlines | ||
| 25 Oct - 01 Nov | Frontier Airlines | ||
| 23 Oct - 27 Oct | Spirit Airlines | ||
| 23 Oct - 27 Oct | United | direct | |
| 25 Oct - 01 Nov | United | direct |
Also check the deals for one-way flights from Houston to Rio De Janeiro in October.
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