AirHint found the following cheapest return flights from New York (JFK) to Willemstad (CUR) in July 2025 (see full year).

Return flights

19 Jul - 27 Jul	Frontier Airlines
16 Jul - 22 Jul	Frontier Airlines
18 Jul - 26 Jul	jetBlue	direct
30 Jul - 07 Aug	Avianca
26 Jul - 04 Aug	Avianca
17 Jul - 20 Jul	Frontier Airlines
09 Jul - 24 Jul	jetBlue
16 Jul - 19 Jul	Frontier Airlines
28 Jul - 03 Aug	Avianca
10 Jul - 16 Jul	jetBlue
26 Jul - 03 Aug	Frontier Airlines
10 Jul - 13 Jul	jetBlue	direct
16 Jul - 20 Jul	Frontier Airlines
27 Jul - 31 Jul	Avianca
31 Jul - 03 Aug	Avianca
26 Jul - 02 Aug	Frontier Airlines

Also check the deals for one-way flights from New York 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 return flights from New York to Willemstad in July from 478€

Return flights