AirHint found the following cheapest return flights from Houston (HOU) to Port-of-spain (POS) in August 2025 (see full year).
Return flights
| 28 Aug - 03 Sep | United | direct | |
| 15 Aug - 22 Aug | United | direct | |
| 06 Aug - 13 Aug | United | direct | |
| 09 Aug - 16 Aug | Spirit Airlines | ||
| 09 Aug - 16 Aug | United | direct |
Also check the deals for one-way flights from Houston to Port-of-spain in August.
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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