AirHint found the following cheapest return flights from Chicago (ORD) to Willemstad (CUR) in December 2025 (see full year).
Return flights
| 01 Dec - 06 Dec | Avianca | ||
| 02 Dec - 06 Dec | Spirit Airlines | ||
| 04 Dec - 07 Dec | Air Canada | ||
| 19 Dec - 22 Dec | American Airlines | ||
| 26 Dec - 31 Dec | Avianca | ||
| 11 Dec - 02 Jan | Spirit Airlines | ||
| 31 Dec - 03 Jan | Avianca |
Also check the deals for one-way flights from Chicago to Willemstad in December.
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