Cheapest return flights from Washington to Port-of-spain in August from $368
AirHint found the following cheapest return flights from Washington (DCA) to Port-of-spain (POS) in August 2025 (see full year).
Return flights
| 15 Aug - 24 Aug | United | ||
| 16 Aug - 24 Aug | United | ||
| 08 Aug - 17 Aug | American Airlines | ||
| 09 Aug - 17 Aug | American Airlines |
Also check the deals for one-way flights from Washington 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.
