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

Return flights

07 Aug - 16 Aug	Spirit Airlines
08 Aug - 16 Aug	Spirit Airlines
10 Aug - 16 Aug	Spirit Airlines
02 Aug - 16 Aug	Spirit Airlines
02 Aug - 03 Aug	Spirit Airlines
20 Aug - 27 Aug	United
12 Aug - 20 Aug	United
22 Aug - 30 Aug	United
02 Aug - 05 Aug	Spirit Airlines
12 Aug - 21 Aug	jetBlue	direct
29 Aug - 05 Sep	Delta
29 Aug - 01 Sep	Spirit Airlines

Also check the deals for one-way flights from Boston 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 Boston to Oranjestad in August from 296€

Return flights