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

Return flights

13 Sep - 18 Sep	United
24 Sep - 05 Oct	United
26 Sep - 11 Oct	British Airways
03 Sep - 11 Sep	United
26 Sep - 04 Oct	Air France
04 Sep - 11 Sep	KLM
10 Sep - 15 Sep	United
18 Sep - 06 Oct	SWISS
08 Sep - 17 Sep	Air France
04 Sep - 13 Sep	KLM
14 Sep - 20 Sep	KLM
06 Sep - 22 Sep	KLM
04 Sep - 20 Sep	KLM
06 Sep - 27 Sep	KLM

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 875€

Return flights