Cheap flights from London Heathrow Airport to South America from £352
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to South America departing on 28/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London Heathrow Airport to South America
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to South America?
In general, March is the cheapest month to fly from London Heathrow Airport to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £638. If you are unable to visit South America during the month of March, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £679.
What is the cheapest day to depart on your flight to South America?
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 £848. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to South America for around £897.
What is the cheapest time of day to depart on your flight to South America?
Our data shows that the cheapest London Heathrow Airport to South America flights are usually those with departure times at midday. Our users have found flights to South America at midday for as low as £687. Try not to purchase tickets in the evening because they tend to be around £878. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest London Heathrow to South America flight route?
Fly from London Heathrow to Sao Paulo Guarulhos Intl for the best London Heathrow - South America flight prices
How far in advance should I book a flight to South America?
You are more likely to see cheaper flights to South America from London Heathrow Airport when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to South America for around £779 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from London Heathrow Airport for as low as £726 on momondo.
What cabin class options are available on London Heathrow to South America flights?
There are 3 cabin classes available to choose from on London Heathrow to South America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to South America?
Avianca, LATAM Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from London Heathrow to South America
Which airlines fly to South America?
British Airways, LATAM Airlines and Avianca are the top three most popular airlines that fly to South America from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to South America. Keep in mind that there are 18 different airlines that fly to South America on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to South America on average per day?
As of May 2025, 22 flights take off from London Heathrow Airport 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.
How many flights depart from London Heathrow Airport to South America on average per week?
As of May 2025, 155 flights take off from London Heathrow Airport and land in South America each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.
Cheap London Heathrow Airport to South America flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to South America
Best price found | £352 |
|---|---|
Fastest flight time | 10h 55m |
Direct flights | Every day |
Airports in South America | 6 airports |
When did momondo last update prices for flights from London Heathrow Airport to South America?
Prices for flights from London Heathrow Airport to South America are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to South America?
As of May 2025, there are 16 operators available to choose from for flights from London Heathrow Airport to South America.
How old do you have to be to fly from London Heathrow Airport to South America?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to South America.
What documentation or ID do you need to fly to South America?
The travel and health documents required for your trip to South America can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South America. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to South America?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to South America is Boeing 777-300 (39.54% of total bookings). The next most popular plane models are Airbus A350-1000 (29.34%), Boeing 777 (14.71%), and Boeing 787-8 Dreamliner (11.87%).
Best airlines flying from London Heathrow Airport to South America
Compare and see reviews for airlines that fly from London Heathrow Airport to South America with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £331 | Free Cancellation | Rating 8.0 7,951 reviews | |||
| PriceFrom £446 | Free Cancellation | Rating 7.4 1,451 reviews | |||
| PriceFrom £487 | Free Cancellation | Rating 7.1 1,869 reviews | |||
| PriceFrom £489 | Free Cancellation | Rating 6.7 2,329 reviews | |||
| PriceFrom £524 | Free Cancellation | Rating 7.8 1,346 reviews | |||
| PriceFrom £542 | Free Cancellation | Rating 7.0 2,739 reviews | |||
| PriceFrom £557 | Free Cancellation | Rating 7.3 3,810 reviews | |||
| PriceFrom £572 | Free Cancellation | Rating 7.1 490 reviews | |||
| PriceFrom £575 | Free Cancellation | Rating 7.0 9,391 reviews | |||
| PriceFrom £576 | Free Cancellation | Rating 6.6 6,918 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to South America?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to South America for you.
Can I find flights from London to South America with flexible booking policies on momondo?
Flights from London to South America with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to South America?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to South America.
I’m not ready to book a flight from London to South America right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to South America now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to South America and let you know when they change.