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

Return flights

09 Aug - 16 Aug	Frontier Airlines
17 Aug - 21 Aug	Spirit Airlines
31 Aug - 06 Sep	Spirit Airlines
10 Aug - 16 Aug	Spirit Airlines
21 Aug - 25 Aug	Spirit Airlines
01 Aug - 05 Aug	jetBlue
07 Aug - 10 Aug	Spirit Airlines
09 Aug - 10 Aug	Spirit Airlines
07 Aug - 09 Aug	Spirit Airlines

Also check the deals for one-way flights from Chicago 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.

Book a cheap hotel in Oranjestad

Cheap car rent in Oranjestad

Cheapest return flights from Chicago to Oranjestad in August from $369

Return flights