Cheapest return flights from Washington to Port-of-spain in April from $390

AirHint found the following cheapest return flights from Washington (IAD) to Port-of-spain (POS) in April 2026 (see full year).

Return flights

16 Apr - 20 Apr Copa
24 Apr - 11 May Air Canada
03 Apr - 12 Apr United

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

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