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

Return flights

13 Dec - 18 Dec	Frontier Airlines
13 Dec - 16 Dec	Spirit Airlines
11 Dec - 16 Dec	Spirit Airlines
11 Dec - 18 Dec	Spirit Airlines
02 Dec - 06 Dec	Spirit Airlines
02 Dec - 16 Dec	Spirit Airlines
03 Dec - 08 Dec	American Airlines
11 Dec - 13 Dec	Spirit Airlines
02 Dec - 18 Dec	Spirit Airlines
02 Dec - 13 Dec	Spirit Airlines
26 Dec - 02 Jan	American Airlines

Also check the deals for one-way flights from Chicago to Oranjestad in December.

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 Chicago to Oranjestad in December from $380

Return flights