Question : Have you considered flying into Sao Paulo-Guarulhos International Airport instead of Sao Paulo/Congonhas Airport?
Answer : Luckily for you, there is another airport near Sao Paulo. Sao Paulo-Guarulhos International Airport (GRU) is 18 miles away, and over the next two months flights are being booked 19% cheaper than flights to Sao Paulo/Congonhas Airport.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : Tuesday is your cheapest day to fly in the month of August. Flexibility is paramount when booking travel plans in order to keep travel costs down.
Question : How long do most people stay in Sao Paulo?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.