Whether we like to admit it or not, language plays a big role in how people decide where to travel in the world. English-speaking people tend, as a rule, to confine themselves to travelling to destinations where English is the principal language or is at least widely spoken and understood. It is perhaps for this reason alone, that more people don't travel to South America. It's certainly not any further to travel to than say
The art of getting a quote that is both competitive in price and relevant to your needs starts with gathering all the right information about what you want to do (or think you want to do!).