Cheapest return flights from Washington to Port-of-spain in May from $312
AirHint found the following cheapest return flights from Washington (IAD) to Port-of-spain (POS) in May 2025 (see full year).
Return flights
| 15 May - 19 May | Copa | ||
| 23 May - 31 May | Copa | ||
| 20 May - 25 May | Copa | ||
| 21 May - 25 May | Copa | ||
| 22 May - 25 May | Copa | ||
| 22 May - 26 May | Copa |
Also check the deals for one-way flights from Washington to Port-of-spain in May.
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.
