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

Return flights

29 Aug - 30 Aug	Frontier Airlines
08 Aug - 15 Aug	American Airlines
09 Aug - 16 Aug	Spirit Airlines
13 Aug - 20 Aug	American Airlines	direct
11 Aug - 18 Aug	American Airlines	direct
10 Aug - 17 Aug	American Airlines
09 Aug - 15 Aug	Spirit Airlines
15 Aug - 21 Aug	Spirit Airlines
12 Aug - 22 Aug	Spirit Airlines
07 Aug - 14 Aug	American 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 308€

Return flights