AirHint found the following cheapest one-way flights from Washington (IAD) to Port-of-spain (POS) in April 2026 (see full year).
One-Way flights
| 21 Apr | Air Canada | ||
| 19 Apr | Air Canada | ||
| 18 Apr | Frontier Airlines | ||
| 24 Apr | Air Canada | ||
| 20 Apr | Frontier Airlines | ||
| 23 Apr | Allegiant Air | ||
| 22 Apr | Southern Airways Express | ||
| 15 Apr | Copa | ||
| 13 Apr | United |
Also check the deals for return flights from Washington to Port-of-spain in April.
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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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