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

Return flights

29 Aug - 04 Sep	Avianca
28 Aug - 02 Sep	Avianca
27 Aug - 02 Sep	Avianca
16 Aug - 24 Aug	Avianca
12 Aug - 17 Aug	Avianca
22 Aug - 29 Aug	Avianca
18 Aug - 22 Aug	Avianca
12 Aug - 22 Aug	Avianca
11 Aug - 18 Aug	Avianca
11 Aug - 16 Aug	Avianca
25 Aug - 01 Sep	Avianca
27 Aug - 01 Sep	Avianca
29 Aug - 01 Sep	Avianca
02 Aug - 13 Aug	Avianca
09 Aug - 14 Aug	Avianca
14 Aug - 18 Aug	Avianca
28 Aug - 02 Sep	jetBlue	direct
29 Aug - 04 Sep	jetBlue	direct

Also check the deals for one-way flights from New York to Willemstad in August.

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 August from $429

Return flights