The closest airport is São Paulo – Congonhas(CGH), it is a major hub in Brazil and also receive a few international flights. An Uber from the airport to the conference neighborhood costs about 25 BRL.
However, if flying from abroad the São Paulo – Cumbica(GRU) Airport is a much better option.
Radisson Paulista is offering 15% of discount for the conference dates with the discount code AMANDA15.
There are also several Airbnb option in the region and the venue for August 3-4 is 3 minutes walk from the Brigadeiro metro station.