AirHint found the following cheapest return flights from Newark (EWR) to Oranjestad (AUA) in September 2025 (see full year).

Return flights

23 Sep - 01 Oct	United	direct
22 Sep - 25 Sep	United	direct
27 Sep - 01 Oct	United
27 Sep - 03 Oct	Spirit Airlines
30 Sep - 03 Oct	United	direct
09 Sep - 11 Sep	United	direct
29 Sep - 06 Oct	United	direct
15 Sep - 20 Sep	jetBlue
09 Sep - 16 Sep	United	direct
13 Sep - 27 Sep	Spirit Airlines
20 Sep - 27 Sep	Spirit Airlines
26 Sep - 29 Sep	Spirit Airlines
28 Sep - 03 Oct	Spirit Airlines
27 Sep - 30 Sep	Spirit Airlines
15 Sep - 19 Sep	United	direct
13 Sep - 20 Sep	Spirit Airlines
26 Sep - 01 Oct	United	direct
28 Sep - 04 Oct	United
20 Sep - 06 Oct	Spirit Airlines

Also check the deals for one-way flights from Newark to Oranjestad 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 Newark to Oranjestad in September from 256€

Return flights