AirHint found the following cheapest return flights from Miami (MIA) to Port-of-spain (POS) in August 2025 (see full year).

Return flights

14 Aug - 20 Aug	Copa
23 Aug - 04 Sep	United
18 Aug - 23 Aug	Copa
24 Aug - 23 Sep	Frontier Airlines
13 Aug - 17 Aug	Copa
18 Aug - 23 Aug	American Airlines	direct
01 Aug - 05 Aug	Copa
24 Aug - 23 Sep	American Airlines	direct

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

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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Cheapest return flights from Miami to Port-of-spain in August from 274€

Return flights