Cheapest return flights from Washington to Port-of-spain in September from $379

AirHint found the following cheapest return flights from Washington (DCA) to Port-of-spain (POS) in September 2025 (see full year).

Return flights

27 Sep - 30 Sep American Airlines
26 Sep - 01 Oct American Airlines

Also check the deals for one-way flights from Washington to Port-of-spain in September.

Skyscanner

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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