AirHint found the following cheapest return flights from Miami (MIA) to Antigua (ANU) in August 2025 (see full year).

Return flights

24 Aug - 02 Sep	Frontier Airlines
21 Aug - 28 Aug	Spirit Airlines
09 Aug - 16 Aug	Spirit Airlines
20 Aug - 27 Aug	Copa
01 Aug - 04 Aug	Frontier Airlines
01 Aug - 09 Aug	Frontier Airlines
01 Aug - 03 Aug	Frontier Airlines

Also check the deals for one-way flights from Miami to Antigua 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 Antigua in August from 496€

Return flights