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

Return flights

13 Sep - 27 Sep	Spirit Airlines
27 Sep - 04 Oct	Spirit Airlines
17 Sep - 20 Sep	Spirit Airlines
12 Sep - 16 Sep	Spirit Airlines
24 Sep - 27 Sep	Spirit Airlines
06 Sep - 09 Sep	Spirit Airlines
01 Sep - 06 Sep	Avianca
27 Sep - 30 Sep	Spirit Airlines
10 Sep - 13 Sep	Spirit Airlines
19 Sep - 22 Sep	Spirit Airlines
01 Sep - 08 Sep	Avianca
26 Sep - 13 Oct	Spirit Airlines
27 Sep - 11 Oct	Spirit Airlines

Also check the deals for one-way flights from Houston 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 Houston to Oranjestad in September from $382

Return flights