In general when looking for the cheapest flight to South America, try to book your flight during the month of May for the best deal.
In general, most flyers find the cheapest time to book a flight to South America is about 41 days prior.
From most locations, the cheapest day to fly to South America is Sunday. Most users found that departing on a Saturday was most expensive.
Our data shows that the cheapest South America flights are usually those with morning departure times. evening flights are often costlier.