AirHint found the following cheapest one-way flights from Houston (HOU) to Port-of-spain (POS) in March 2026 (see full year).
One-Way flights
| 05 Mar | Frontier Airlines | ||
| 06 Mar | Spirit Airlines | ||
| 25 Mar | Spirit Airlines | ||
| 09 Mar | American Airlines | ||
| 05 Mar | United | direct | |
| 25 Mar | United | direct | |
| 06 Mar | United | direct |
Also check the deals for return flights from Houston to Port-of-spain in March.
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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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