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

Return flights

30 Aug - 01 Sep	Frontier Airlines
18 Aug - 21 Aug	Copa
11 Aug - 21 Aug	American Airlines	direct
18 Aug - 21 Aug	American Airlines	direct
18 Aug - 24 Aug	Copa
21 Aug - 05 Sep	Copa
09 Aug - 16 Aug	Frontier Airlines
16 Aug - 16 Aug	Frontier Airlines
29 Aug - 05 Sep	Copa
15 Aug - 19 Aug	American Airlines	direct
19 Aug - 30 Aug	Copa
16 Aug - 30 Aug	Copa
20 Aug - 30 Aug	Copa
27 Aug - 01 Sep	Copa
29 Aug - 06 Sep	Copa
29 Aug - 01 Sep	Avianca

Also check the deals for one-way flights from Miami to Oranjestad 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 Oranjestad in August from $320

Return flights