AirHint found the following cheapest one-way flights from Houston (IAH) to Quito (UIO) in December 2025 (see full year).
One-Way flights
| 01 Dec | Frontier Airlines | ||
| 21 Dec | Frontier Airlines | ||
| 01 Dec | United | direct | |
| 21 Dec | United | direct |
Also check the deals for return flights from Houston to Quito in December.
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