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

Return flights

16 Sep - 30 Sep	Avianca
09 Sep - 17 Sep	Copa
12 Sep - 14 Sep	Copa
19 Sep - 01 Oct	Avianca
19 Sep - 26 Sep	Avianca
17 Sep - 27 Sep	Copa
15 Sep - 29 Sep	Arajet
12 Sep - 19 Sep	Copa
19 Sep - 23 Sep	KLM
24 Sep - 03 Oct	SWISS
27 Sep - 04 Oct	Copa
14 Sep - 23 Sep	LATAM Airlines Group
19 Sep - 20 Sep	Copa
26 Sep - 04 Oct	Ethiopian Airlines
20 Sep - 13 Oct	KLM
26 Sep - 19 Oct	Condor

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 918€

Return flights