AirHint found the following cheapest return flights from Washington (IAD) to Willemstad (CUR) in January 2026 (see full year).
Return flights
| 21 Jan - 24 Jan | Copa | ||
| 30 Jan - 02 Feb | Delta | ||
| 20 Jan - 30 Jan | Delta | ||
| 09 Jan - 12 Jan | Copa | ||
| 01 Jan - 06 Jan | Copa |
Also check the deals for one-way flights from Washington to Willemstad in January.
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