AirHint found the following cheapest one-way flights from Houston (IAH) to Port-of-spain (POS) in October 2025 (see full year).
One-Way flights
| 25 Oct | Frontier Airlines | ||
| 24 Oct | Frontier Airlines | ||
| 10 Oct | Spirit Airlines | ||
| 24 Oct | United | direct | |
| 25 Oct | United | direct |
Also check the deals for return flights from Houston to Port-of-spain 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.
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