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Book cheap South America flights with top airlines. Updated fares, flexible dates & exclusive deals available.






In general, April is the cheapest month to fly from London to South America. Due to it being the 'off-season' during this time, you can expect flight prices to be around £631. If you are unable to visit South America during the month of April, then departing from London during the month of May is also very affordable. Most momondo users find prices during this month for around £633.
Our data shows that Monday is the least expensive day to fly to South America. Tickets to fly out on this day can be as low as £793. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to South America for around £883.
Fly from London Heathrow to Bogotá El Dorado for the best London – South America flight prices
You are more likely to see cheaper flights to South America from London when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around £760 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from London for as low as £660 on momondo.
There are 3 cabin classes available to choose from on London to South America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
You could potentially save up to 4% on your flight if you consider stops on a London to South America flight.
Avianca, ITA Airways, and Air Europa are the most popular carriers operating from London to South America.
Avianca, British Airways and LATAM Airlines are the top three most popular airlines that fly to South America from London according to our data. Avianca is the first choice among our users, with 32% of people opting to fly with this airline when travelling to South America. Keep in mind that there are 19 different airlines that fly to South America on a routine basis, so you have a few additional options to choose from.
The number of flights available between London and South America is 22 per day as of March 2026. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.
As of March 2026, 154 flights take off from London and land in South America each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
In terms of precipitation, rainfall in South America ranges from 20.0 - 240.0 mm per month. January is typically the wettest month, when rainfall can reach 240.0 mm. July is typically the driest time to visit South America when rainfall is around 20.0 mm.
If weather is an important factor for your trip to South America, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 17.0 C).


















