AirHint found the following cheapest return flights from Chicago (MDW) to Oranjestad (AUA) in March 2026 (see full year).

Return flights

06 Mar - 14 Mar	Frontier Airlines
23 Mar - 29 Mar	Frontier Airlines
28 Mar - 05 Apr	Frontier Airlines
16 Mar - 21 Mar	Frontier Airlines
27 Mar - 10 Apr	Frontier Airlines
19 Mar - 24 Mar	Frontier Airlines
21 Mar - 25 Mar	Frontier Airlines
17 Mar - 21 Mar	WestJet
20 Mar - 28 Mar	Frontier Airlines
24 Mar - 31 Mar	Southwest Airlines
20 Mar - 27 Mar	Frontier Airlines
05 Mar - 09 Mar	Southwest Airlines
30 Mar - 04 Apr	Southwest Airlines
31 Mar - 04 Apr	Southwest Airlines

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

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 March from $425

Return flights