Question : Who's offering the cheapest round-trip flight to Sao Paulo-Guarulhos International Airport (GRU) over the coming months?
Answer : Turkish Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $1,453 and, when compared to the more expensive bookings of $1,801, it's quite a deal.
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 48 days.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices change much less than most routes from Viet Nam for SGN to GRU. They vary from $1,453 to $1,801. However, the sooner you book, the better price you tend to get.