The closest airport is Viracopos(VCP) in Campinas, 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 60 BRL.
However, if flying from abroad the São Paulo(GRU) Airport is a much better option. A bus line from LIRABUS runs from the airport to Campinas downtown.
Campinas is also served by bus lines from a number of Brazilian cities.
Hotel Matiz Barão Geraldo:
Address: Av. Albino José Barbosa de Oliveira, 1700 – Barão Geraldo, Campinas – SP, 13084-551
+55 (19) 3749-8500
Website: hotelaria brasil
Pousada Solar dos Passaros:
Address: Rua Jean Nassif Mokarzel, 201 – Barão Geraldo – Campinas/SP
+55 (19) 99172-7072
+55 (19) 2121-0925
+55 (19) 3288-0912
Barão Geraldo also has a great variety of option on Airbnb!