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

Return flights

08 Sep - 17 Sep	Ethiopian Airlines
24 Sep - 25 Sep	Copa
15 Sep - 29 Sep	Copa
19 Sep - 26 Sep	LATAM Airlines Group
16 Sep - 23 Sep	Copa
16 Sep - 30 Sep	Copa
14 Sep - 23 Sep	LATAM Airlines Group
09 Sep - 17 Sep	Avianca
07 Sep - 22 Sep	Copa
08 Sep - 15 Sep	LATAM Airlines Group
22 Sep - 22 Oct	British Airways
24 Sep - 03 Oct	KLM
26 Sep - 04 Oct	British Airways
26 Sep - 19 Oct	Lufthansa
20 Sep - 04 Oct	ITA Airways

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 $835

Return flights