As I went over the flight options for my first trip to South America in 2014, I ended up booking a return flight from Bangalore to São Paulo. I didn’t realise at the time of booking this flight that I would have to make my way back to São Paulo to fly back to India, which would cost me both time and money. This is the story of how I ended up across airports in 6 countries because of this mistake. In South America, I landed in São Paulo, and after my volunteer stint in Brasil, I proceeded to backpack across Bolivia, Colombia and Ecuador. In the last few days…