AirHint found the following cheapest return flights from Houston (IAH) to Port-of-spain (POS) in April 2026 (see full year).
Return flights
| 16 Apr - 19 Apr | Frontier Airlines | ||
| 13 Apr - 03 May | Spirit Airlines | ||
| 18 Apr - 20 Apr | Frontier Airlines | ||
| 13 Apr - 03 May | United | direct | |
| 18 Apr - 20 Apr | United | direct |
Also check the deals for one-way flights from Houston to Port-of-spain in April.
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