AirHint found the following cheapest one-way flights from Newark (EWR) to Willemstad (CUR) in July 2025 (see full year).

One-Way flights

30 Jul	Spirit Airlines
18 Jul	Delta
07 Jul	American Airlines
06 Jul	American Airlines
21 Jul	Spirit Airlines
28 Jul	Spirit Airlines
26 Jul	Spirit Airlines
29 Jul	Spirit Airlines
03 Jul	United
26 Jul	United	direct

Also check the deals for return flights from Newark to Willemstad in July.

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 one-way flights from Newark to Willemstad in July from $186

One-Way flights