AirHint found the following cheapest return flights from Washington (IAD) to Port-of-spain (POS) in October 2025 (see full year).
Return flights
| 22 Oct - 29 Oct | Copa | ||
| 22 Oct - 28 Oct | Copa | ||
| 23 Oct - 31 Oct | United | ||
| 10 Oct - 13 Oct | Copa |
Also check the deals for one-way flights from Washington to Port-of-spain in October.
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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