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

Return flights

14 Sep - 20 Sep	jetBlue	direct
14 Sep - 21 Sep	jetBlue	direct
15 Sep - 18 Sep	American Airlines
13 Sep - 18 Sep	American Airlines
15 Sep - 20 Sep	American Airlines
26 Sep - 03 Oct	jetBlue	direct
18 Sep - 24 Sep	Avianca
17 Sep - 24 Sep	Avianca
06 Sep - 11 Sep	Avianca
18 Sep - 25 Sep	Avianca
23 Sep - 28 Sep	Spirit Airlines
29 Sep - 02 Oct	Avianca
27 Sep - 01 Oct	American Airlines

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

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 September from $370

Return flights