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

Return flights

30 Sep - 08 Oct	British Airways
13 Sep - 23 Sep	GOL Linhas Aéreas
16 Sep - 23 Sep	GOL Linhas Aéreas
10 Sep - 16 Sep	Ethiopian Airlines
10 Sep - 24 Sep	Copa
13 Sep - 28 Sep	GOL Linhas Aéreas
22 Sep - 27 Sep	Avianca
26 Sep - 19 Oct	Air France
16 Sep - 30 Sep	KLM
24 Sep - 03 Oct	KLM
11 Sep - 23 Sep	Ethiopian Airlines
27 Sep - 13 Oct	British Airways
11 Sep - 15 Sep	Air France
16 Sep - 22 Sep	KLM
10 Sep - 08 Oct	KLM
01 Sep - 03 Oct	Air France

Also check the deals for one-way flights from Sao Paulo to Vienna 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 Vienna in September from 781€

Return flights