Question : How long do most people visit Sao Paulo?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.
Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Thursday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
Question : Is there another way to get to Sao Paulo besides Sao Paulo/Congonhas Airport (CGH)?
Answer : Sao Paulo-Guarulhos International Airport (GRU) is just 18 miles away and on average, flights are 13% cheaper for the coming two months. Save a few bucks and put it towards your next trip.