Most travellers find the cheapest round-trip airfare to South America when booking during the month of April.
From most locations, booking your flights to South America around 60 days prior to your departure date finds the best deals.
From most locations, the cheapest flights to South America are found on a Wednesday. Booking a Sunday departure is usually the most expensive.
Our data shows that the cheapest South America flights are usually those with evening departure times. afternoon flights are often costlier.