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

Return flights

24 Sep - 01 Oct	Avianca
24 Sep - 29 Sep	Avianca
25 Sep - 30 Sep	Avianca
29 Sep - 01 Oct	Avianca
22 Sep - 25 Sep	Avianca
22 Sep - 29 Sep	Avianca
22 Sep - 02 Oct	Avianca
22 Sep - 27 Sep	Avianca
16 Sep - 18 Sep	Copa
24 Sep - 01 Oct	GOL Linhas Aéreas	direct
27 Sep - 08 Oct	Avianca
17 Sep - 23 Sep	Avianca
17 Sep - 24 Sep	Avianca
15 Sep - 22 Sep	Copa
16 Sep - 22 Sep	Copa
27 Sep - 03 Oct	Avianca
27 Sep - 02 Oct	Copa

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to Oranjestad in September from $364

Return flights