Cheapest return flights from Washington to Port-of-spain in August from $364
AirHint found the following cheapest return flights from Washington (IAD) to Port-of-spain (POS) in August 2025 (see full year).
Return flights
| 13 Aug - 20 Aug | Copa | ||
| 08 Aug - 16 Aug | Copa | ||
| 03 Aug - 09 Aug | Copa |
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.
