AirHint found the following cheapest one-way flights from Houston (IAH) to Port-of-spain (POS) in April 2026 (see full year).
One-Way flights
| 26 Apr | Frontier Airlines | ||
| 28 Apr | Frontier Airlines | ||
| 27 Apr | Spirit Airlines | ||
| 27 Apr | United | direct | |
| 28 Apr | United | direct | |
| 26 Apr | United | direct | |
| 09 Apr | Frontier Airlines | ||
| 09 Apr | United | direct |
Also check the deals for return flights from Houston to Port-of-spain in April.
Powered by
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.
Find us on social media