How long is the flight from London Heathrow Airport to South America?

Airlines like Avianca, Air Canada, and KLM fly from London Heathrow Airport to South America in about 14h. The time it takes to get you to your destination can typically vary by up to 13h 25m. Airlines will cover a distance of 5236 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from London Heathrow Airport to South America one-way?

One-way options have recently been found by users for as low as £300 on Iberia. Other airlines that offer cheap prices include Avianca from £308 and Aeromexico from £324 one-way.

In terms of precipitation, rainfall in South America ranges from 20.0 - 240.0 inches 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).

What are the most popular routes from London Heathrow Airport to South America?

While some choose either London Heathrow - Sao Paulo Guarulhos Intl or London Heathrow - Buenos Aires Ministro Pistarini, London Heathrow - Rio de Janeiro–Galeão Intl is the most popular route from London Heathrow Airport to South America.

What are the cheapest flights from London Heathrow Airport to South America?

While on average a flight from London Heathrow Airport to South America is generally £739, our data shows the cheapest flight currently is £476. When looking at the most popular route, (London Heathrow - Rio de Janeiro–Galeão Intl), you can expect to pay £642 for that flight.

What are the most reliable airlines from London Heathrow Airport to South America?

Before booking your flight to South America from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Etihad Airways (100%), Avianca (100%), Emirates( 100%).

What are the most popular airlines that fly from London Heathrow Airport to South America?

When booking a flight from London Heathrow Airport to South America, you may want to consider flying on LATAM Airlines, Avianca or British Airways as they are the most popular for this route.

Can I find deals for flights from Heathrow to South America that include hotel bookings?

Yes. In addition to deals on Heathrow to South America flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to South America?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to South America.

Can I find deals for business class flights from Heathrow to South America?

Yes. Cheapflights offers flight deals from Heathrow to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£419+ Cheap Flights from London Heathrow Airport to South America

Cheap flight deals from Heathrow to South America

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Heathrow to South America
Explore the most affordable flight options available from Heathrow to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Tue 24/1120:25 -

2 stops25h 30m

Fri 4/1220:10 -

2 stops20h 15m

Deal found 22/10£651

Thu 12/1111:45 -

1 stop35h 25m

Wed 25/1120:10 -

1 stop15h 50m

Deal found 22/10£651

Tue 1/1218:00 -

1 stop17h 10m

Wed 9/1208:00 -

1 stop19h 30m

Deal found 25/10£652

Thu 5/1121:35 -

1 stop24h 15m

Tue 24/1107:25 -

1 stop26h 10m

Deal found 23/10£654

Tue 24/1121:35 -

1 stop24h 15m

Wed 2/1203:05 -

2 stops30h 30m

Deal found 25/10£654

Sun 22/1121:35 -

2 stops35h 05m

Sun 29/1107:25 -

1 stop26h 10m

Deal found 23/10£655

Thu 12/1106:20 -

1 stop15h 35m

Fri 11/1220:10 -

1 stop15h 50m

Deal found 22/10£656

Wed 25/1121:35 -

2 stops35h 05m

Sat 28/1107:25 -

1 stop26h 10m

Deal found 23/10£658

Fri 27/1106:20 -

1 stop15h 35m

Fri 11/1220:10 -

1 stop19h 40m

Deal found 21/10£659

Sun 29/1109:00 -

2 stops23h 15m

Mon 7/1208:00 -

1 stop18h 10m

Deal found 25/10£660

Wed 18/1121:35 -

1 stop14h 00m

Mon 23/1117:50 -

1 stop15h 45m

Deal found 23/10£696

Wed 18/1121:35 -

1 stop17h 40m

Tue 24/1118:00 -

1 stop15h 35m

Deal found 25/10£697

Best flights from Heathrow to South America
Discover carefully curated flight deals from Heathrow to South America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Wed 17/221:35 -

1 stop14h 00m

Wed 10/318:00 -

1 stop15h 35m

Deal found 22/10£706

Sat 30/117:50 -

1 stop25h 40m

Sat 13/221:35 -

1 stop14h 00m

Deal found 26/10£717

Fri 13/1118:00 -

1 stop16h 20m

Sun 22/1109:00 -

1 stop17h 10m

Deal found 26/10£773

Sun 6/1216:00 -

1 stop27h 25m

Wed 9/1216:05 -

2 stops16h 45m

Deal found 26/10£798

Mon 25/122:15 -

Nonstop14h 35m

Sun 14/213:15 -

Nonstop14h 20m

Deal found 26/10£858

Sat 24/422:35 -

1 stop22h 45m

Thu 29/416:40 -

2 stops23h 45m

Deal found 23/10£875

Sun 1/1107:40 -

2 stops26h 30m

Sun 15/1122:25 -

2 stops28h 30m

Deal found 24/10£918

Sat 19/1219:55 -

2 stops41h 30m

Wed 30/1200:10 -

2 stops30h 15m

Deal found 24/10£998

Thu 3/1209:40 -

2 stops25h 00m

Thu 28/123:00 -

2 stops28h 50m

Deal found 21/10£999

Tue 24/1119:30 -

3 stops44h 45m

Wed 2/1213:55 -

2 stops20h 05m

Deal found 23/10£1,029

Thu 10/1211:15 -

1 stop16h 23m

Thu 17/1200:50 -

1 stop26h 25m

Deal found 26/10£1,127

Thu 24/1216:30 -

1 stop16h 55m

Wed 6/115:45 -

1 stop14h 55m

Deal found 21/10£1,451

Thu 18/221:35 -

1 stop14h 00m

Sun 7/318:00 -

1 stop15h 35m

Deal found 22/10£735

Tue 1/1206:30 -

1 stop16h 40m

Tue 29/1219:20 -

1 stop16h 15m

Deal found 26/10£791

Sat 20/221:35 -

Nonstop11h 00m

Mon 8/323:25 -

Nonstop10h 10m

Deal found 22/10£774

Wed 24/319:05 -

1 stop17h 15m

Tue 6/410:10 -

1 stop17h 20m

Deal found 21/10£888

Tue 10/1107:40 -

2 stops26h 30m

Tue 24/1122:25 -

2 stops28h 30m

Deal found 23/10£919

Sun 29/1106:30 -

2 stops22h 02m

Sun 6/1215:12 -

2 stops19h 53m

Deal found 21/10£938

Sat 14/1113:00 -

2 stops25h 10m

Tue 1/1221:45 -

2 stops28h 25m

Deal found 26/10£862

Mon 30/1121:35 -

1 stop30h 30m

Sun 24/116:15 -

1 stop19h 20m

Deal found 21/10£807

Mon 4/116:10 -

2 stops36h 24m

Wed 3/209:20 -

3 stops48h 35m

Deal found 22/10£993

Sun 31/111:25 -

1 stop24h 55m

Sun 14/213:15 -

Nonstop14h 20m

Deal found 24/10£936

Sat 14/1108:00 -

1 stop19h 15m

Sat 14/1101:50 -

1 stop27h 25m

Deal found 24/10£945

Mon 1/211:20 -

2 stops25h 20m

Fri 19/223:35 -

2 stops29h 10m

Deal found 22/10£1,052

Sun 28/208:15 -

2 stops27h 50m

Mon 3/519:45 -

2 stops19h 05m

Deal found 26/10£1,068

Thu 26/1118:40 -

2 stops21h 40m

Fri 4/1213:55 -

3 stops25h 45m

Deal found 23/10£1,081

Sat 23/111:20 -

2 stops42h 50m

Sun 31/110:10 -

3 stops42h 35m

Deal found 25/10£1,008

Tue 5/121:35 -

1 stop35h 10m

Tue 2/216:15 -

1 stop19h 20m

Deal found 23/10£838

Wed 10/219:05 -

1 stop17h 15m

Tue 23/313:15 -

Nonstop14h 20m

Deal found 24/10£940

Sun 29/1118:00 -

2 stops23h 05m

Sun 6/1221:55 -

3 stops28h 15m

Deal found 21/10£957

Find flight deals from Heathrow to South America

Round-trip from	£643
One-way from	£419
Popular in	July
Cheapest in	March
Average price	£901
Good round-trip deal	£754 or less
Good one-way deal	£499 or less

Avianca
23/11-27/11
3 total stops
66h 50m total
London to South America

Search Deals

10/3-31/12
3 total stops
32h 14m total
London to South America

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£100 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from London Heathrow to South America.

Search Deals

Price to beat on a one-way flight from London Heathrow to South America.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCali

LHR London Heathrow - CLO Cali Alfonso B. Aragon Intl

LHRCLO

London Heathrow

Sat 14/11

09:55-17:04

3 stops36h 09m

Cali Alfonso B. Aragon Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£495

LondonMedellín

LHR London Heathrow - MDE Medellín Jose Maria Cordova Intl

LHRMDE

London Heathrow

Mon 23/11

06:00-17:39

3 stops40h 39m

Medellín Jose Maria Cordova Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£496

LondonLima

LHR London Heathrow - LIM Lima J Chavez Intl

LHRLIM

London Heathrow

Fri 1/1

09:55-01:00

2 stops44h 05m

Lima J Chavez Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£509

LondonMedellín

LHR London Heathrow - MDE Medellín Jose Maria Cordova Intl

LHRMDE

London Heathrow

Wed 18/11

20:30-09:00

3 stops41h 30m

Medellín Jose Maria Cordova Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£515

LondonLima

LHR London Heathrow - LIM Lima J Chavez Intl

LHRLIM

London Heathrow

Wed 11/11

21:35-03:40

2 stops35h 05m

Lima J Chavez Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£516

LondonSantiago

LHR London Heathrow - SCL Santiago Arturo Merino Benitez

LHRSCL

London Heathrow

Sat 26/12

21:35-01:05

1 stop30h 30m

Santiago Arturo Merino Benitez

Wed 31/12

00:00-04:00

Nonstop0h 00m

£518

LondonLima

LHR London Heathrow - LIM Lima J Chavez Intl

LHRLIM

London Heathrow

Tue 10/11

21:35-03:40

2 stops35h 05m

Lima J Chavez Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£530

LondonLima

LHR London Heathrow - LIM Lima J Chavez Intl

LHRLIM

London Heathrow

Mon 16/11

21:35-03:40

2 stops35h 05m

Lima J Chavez Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£530

LondonLima

LHR London Heathrow - LIM Lima J Chavez Intl

LHRLIM

London Heathrow

Thu 12/11

21:35-03:40

2 stops35h 05m

Lima J Chavez Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£543

LondonLima

LHR London Heathrow - LIM Lima J Chavez Intl

LHRLIM

London Heathrow

Sat 5/12

20:50-20:20

1 stop28h 30m

Lima J Chavez Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£550

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Heathrow to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Heathrow with our price prediction graph.

LHR-CLO

LHR-LIM

LHR-GRU

LHR-BOG

LHR-GIG

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to South America

LHR-0SA

LHR-CLO

LHR-LIM

LHR-GRU

LHR-BOG

What is the cheapest month to book a flight from London Heathrow Airport to South America?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to South America (average of £826). Flying from London Heathrow Airport to South America in December is currently the most expensive (average of £1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to SA?

When flying from London Heathrow Airport to South America, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to South America

The most flights from LHR to 0SA are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from London to South America delayed?

About 12% of weekly flights between London and South America have experienced delays in the past year, with the average delay time being 88 minutes.

What is the most punctual flight time for London to South America flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to South America flights?

Over the past year, Avianca have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from London Heathrow Airport to South America?

The price you pay for your flight from London Heathrow Airport to South America may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing South America

Read reviews from past customers who have flown with Virgin Atlantic,LATAM Airlines, andTAP AIR PORTUGAL from London Heathrow Airport to South America. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

697 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

LATAM Airlines

7.4

Good

1,969 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,273 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Avianca

6.5

Okay

2,550 reviews

Virgin Atlantic

7.5

Good

697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

How long is the flight from London Heathrow Airport to South America?
Airlines like Avianca, Air Canada, and KLM fly from London Heathrow Airport to South America in about 14h. The time it takes to get you to your destination can typically vary by up to 13h 25m. Airlines will cover a distance of 5236 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from London Heathrow Airport to South America one-way?
One-way options have recently been found by users for as low as £300 on Iberia. Other airlines that offer cheap prices include Avianca from £308 and Aeromexico from £324 one-way.
What are the most popular routes from London Heathrow Airport to South America?
While some choose either London Heathrow - Sao Paulo Guarulhos Intl or London Heathrow - Buenos Aires Ministro Pistarini, London Heathrow - Rio de Janeiro–Galeão Intl is the most popular route from London Heathrow Airport to South America.
What are the most reliable airlines from London Heathrow Airport to South America?
Before booking your flight to South America from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Etihad Airways (100%), Avianca (100%), Emirates( 100%).
What are the cheapest flights from London Heathrow Airport to South America?
While on average a flight from London Heathrow Airport to South America is generally £739, our data shows the cheapest flight currently is £476. When looking at the most popular route, (London Heathrow - Rio de Janeiro–Galeão Intl), you can expect to pay £642 for that flight.
Can I find deals for flights from Heathrow to South America that include hotel bookings?
Yes. In addition to deals on Heathrow to South America flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to South America?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to South America.
Can I find deals for business class flights from Heathrow to South America?
Yes. Cheapflights offers flight deals from Heathrow to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to South America?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to South America (average of £826). Flying from London Heathrow Airport to South America in December is currently the most expensive (average of £1,234). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 10 airlines flying from Heathrow to South America

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£101	Average£985	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£149	Average£961	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Air Europa	Cheapest£338	Average£797	FlexibilityNo cancel fee	On-time83%	Search Air Europa flights
Avianca	Cheapest£396	Average£798	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
JetBlue	Cheapest£534	Average£622	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Turkish Airlines	Cheapest£566	Average£701	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Air Canada	Cheapest£573	Average£761	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
TAP AIR PORTUGAL	Cheapest£578	Average£959	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
ITA Airways	Cheapest£605	Average£1,118	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
KLM	Cheapest£606	Average£978	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to South America?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to South America. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to South America?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to South America for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to South America with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to South America with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to South America become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from London Heathrow Airport to South America from £419

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to South America

Cheapest flights from Heathrow to South AmericaExplore the most affordable flight options available from Heathrow to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Explore the most affordable flight options available from Heathrow to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Best flights from Heathrow to South AmericaDiscover carefully curated flight deals from Heathrow to South America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Discover carefully curated flight deals from Heathrow to South America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Direct flights from Heathrow to South AmericaExplore direct flight options from Heathrow to South America based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 October 2026.

Explore direct flight options from Heathrow to South America based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 October 2026.

Last-minute flights from Heathrow to South AmericaDiscover last-minute flight deals from Heathrow to South America. Data last updated 27 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to South America. Data last updated 27 October 2026 and is based on user searches.

One-way flights from Heathrow to South AmericaSearch for one-way flight options from Heathrow to South America. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Search for one-way flight options from Heathrow to South America. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.

Find flight deals from Heathrow to South America

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to South America that are best for you.

Best time to book a flight from Heathrow to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Heathrow with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Heathrow Airport to South America?

What is the cheapest time of day to fly from LHR to SA?

Find hourly flight availability from Heathrow to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 October 2026.

When flying from London Heathrow Airport to South America, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to South America

The most flights from LHR to 0SA are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from London to South America delayed?

About 12% of weekly flights between London and South America have experienced delays in the past year, with the average delay time being 88 minutes.

What is the most punctual flight time for London to South America flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to South America flights?

Over the past year, Avianca have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from London Heathrow Airport to South America?

The price you pay for your flight from London Heathrow Airport to South America may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing South America

Related info for your journey

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What are the cheapest flights from London Heathrow Airport to South America?

Can I find deals for flights from Heathrow to South America that include hotel bookings?

How can I find direct flights from Heathrow to South America?

Can I find deals for business class flights from Heathrow to South America?

What is the cheapest month to book a flight from London Heathrow Airport to South America?

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Alternative routes for Heathrow to South America

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Heathrow and South America flights

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Top 10 airlines flying from Heathrow to South America

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Cheapest flights from Heathrow to South America
Explore the most affordable flight options available from Heathrow to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2026.

Best flights from Heathrow to South America
Discover carefully curated flight deals from Heathrow to South America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 October 2026.

Direct flights from Heathrow to South America
Explore direct flight options from Heathrow to South America based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 October 2026.

Last-minute flights from Heathrow to South America
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One-way flights from Heathrow to South America
Search for one-way flight options from Heathrow to South America. Find affordable one-way fares based on user searches. Data last updated 27 October 2026.