Cheapest return IAD–POS flights, July

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

Return flights

16 Jul - 26 Jul Copa
01 Jul - 06 Jul Air Canada
02 Jul - 06 Jul Copa

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

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