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

Return flights

07 Sep - 14 Sep	jetBlue	direct
06 Sep - 13 Sep	jetBlue	direct
06 Sep - 09 Sep	United	direct
04 Sep - 08 Sep	jetBlue	direct
15 Sep - 19 Sep	United	direct
01 Sep - 08 Sep	jetBlue	direct
23 Sep - 26 Sep	United	direct
08 Sep - 13 Sep	jetBlue	direct
05 Sep - 08 Sep	jetBlue	direct
23 Sep - 02 Oct	United	direct
27 Sep - 03 Oct	United
15 Sep - 20 Sep	United
30 Sep - 06 Oct	United	direct
27 Sep - 03 Oct	jetBlue	direct
28 Sep - 05 Oct	jetBlue	direct

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 $280

Return flights