How to arrive in Campinas from Guarulhos Airport (São Paulo International Airport):
Go to Terminal 2 exit (“Wing C” / “ASA C”). After leaving the terminal, outside the airport, look for the “VB/Lira” company booth, where you can buy a bus ticket to Campinas. You can access the bus timetable here (from “Cumbica” to “Campinas”).
The ticket’s price is around R$ 40,00 (in local currency – REAL).
The trip from Guarulhos Airport to Campinas (central bus station) lasts 2 (two) hours.