Cheap flights from the United Kingdom to South America from £380

In general, May is the cheapest month to fly from United Kingdom to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £830. If you are unable to visit South America during the month of May, then departing from United Kingdom during the month March is also very affordable. Most momondo users find prices during this month for around £846.

Our data shows that Wednesday is the least expensive day to fly to South America. Tickets to fly out on this day can be as low as £1,025. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to South America for around £1,146.

Fly from London Heathrow to Bogotá El Dorado for the best United Kingdom - South America flight prices

You are more likely to see cheaper flights to South America from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around £922 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 United Kingdom for as low as £850 on momondo.

There are 4 cabin classes available to choose from on United Kingdom 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 25% on your flight if you consider stops on a United Kingdom to South America flight.

Aeromexico, ITA Airways, and Iberia are the most popular carriers operating from United Kingdom to South America

British Airways, Avianca and LATAM Airlines are the top three most popular airlines that fly to South America from United Kingdom according to our data. British Airways is the first choice among our users, with 35% of people opting to fly with this airline when travelling to South America. Keep in mind that there are 17 different airlines that fly to South America on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between United Kingdom and South America have experienced a delay on any given week. The average delay length over the past 12 months has been 88 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

As of November 2026, 26 flights take off from United Kingdom and land in South America each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

The number of flights available between United Kingdom and South America is 184 per week as of November 2026. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.