AirHint found the following cheapest return flights from Boston (BOS) to Willemstad (CUR) in January 2026 (see full year).
Return flights
| 29 Jan - 02 Feb | Spirit Airlines | ||
| 04 Jan - 11 Jan | Air Canada | ||
| 08 Jan - 11 Jan | Spirit Airlines | ||
| 03 Jan - 10 Jan | Air Canada |
Also check the deals for one-way flights from Boston to Willemstad in January.
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