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Cheap flights from South America to London Heathrow Airport from £298

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOG — LHR
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South America to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from South America to Heathrow
Explore the most affordable flight options available from South America to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Tue 31/301:20
GRU
-
LHR
1 stop34h 15m
Avianca
Tue 14/422:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 15/2£554
Thu 21/507:35
GRU
-
LHR
1 stop28h 00m
Avianca
Mon 25/522:05
LHR
-
GRU
1 stop31h 05m
Avianca
Deal found 14/2£554
Mon 23/301:35
GRU
-
LHR
1 stop17h 00m
TAP AIR PORTUGAL
Tue 31/319:50
LHR
-
GRU
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 14/2£556
Sun 24/501:20
GRU
-
LHR
1 stop34h 15m
Avianca
Tue 9/622:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 13/2£559
Mon 11/507:35
GRU
-
LHR
1 stop28h 00m
Avianca
Thu 21/522:05
LHR
-
GRU
1 stop31h 05m
Avianca
Deal found 14/2£561
Tue 24/307:35
GRU
-
LHR
1 stop28h 00m
Avianca
Mon 30/322:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 15/2£562
Wed 20/507:35
GRU
-
LHR
1 stop28h 00m
Avianca
Sun 31/522:05
LHR
-
GRU
1 stop22h 00m
Avianca
Deal found 13/2£565
Mon 11/507:35
GRU
-
LHR
1 stop28h 00m
Avianca
Mon 25/522:05
LHR
-
GRU
1 stop31h 05m
Avianca
Deal found 13/2£567
Mon 11/507:35
GRU
-
LHR
1 stop28h 00m
Avianca
Wed 27/522:05
LHR
-
GRU
1 stop22h 00m
Avianca
Deal found 15/2£567
Mon 30/314:15
GRU
-
LHR
1 stop15h 25m
ITA Airways
Wed 22/416:30
LHR
-
GRU
1 stop28h 25m
ITA Airways
Deal found 16/2£568
Mon 30/314:15
GRU
-
LHR
1 stop15h 25m
ITA Airways
Tue 7/416:30
LHR
-
GRU
1 stop28h 25m
ITA Airways
Deal found 16/2£569
Fri 6/1121:00
GIG
-
LHR
2 stops31h 10m
Air Canada
Mon 16/1113:25
LHR
-
GIG
2 stops49h 40m
Air Canada
Deal found 15/2£603

Find flight deals from South America to Heathrow

Keep the following information in mind while searching for South America to Heathrow flight deals. Data was last updated 16 February 2026.

Round-trip from

£554

One-way from

£298

Popular in

January

Cheapest in

November

Average price

£611

Good round-trip deal

£658 or less

Good one-way deal

£421 or less
Avianca
  • Avianca
  • 31/3-14/4
  • 2 total stops
  • 62h 40m total
  • South America to London
Search Deals
Avianca
  • Avianca
  • 27/4
  • 1 total stop
  • 34h 15m total
  • South America to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from South America to London Heathrow.
Search Deals
Price to beat on a one-way flight from South America to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from South America to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 February 2026.
Use the filters below to find and compare flights from South America to London Heathrow Airport that are best for you.

Fly from

South America

Fly to

Heathrow

Route

Depart

Return

Price

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Thu 19/2

18:45-14:45

1 stop17h 00m

London Heathrow

Fri 13/3

06:35-20:10

1 stop16h 35m

£611

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Mon 30/3

18:55-15:40

1 stop16h 45m

London Heathrow

Mon 13/4

16:30-05:10

1 stop16h 40m

£612

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Tue 17/3

18:45-12:50

1 stop15h 05m

London Heathrow

Tue 24/3

15:30-05:50

1 stop17h 20m

£628

Sao PauloLondon

CGH - LHR

CGHLHR

Sao Paulo Congonhas

Sun 15/3

10:00-16:35

2 stops27h 35m

London Heathrow

Sun 22/3

06:20-06:05

2 stops26h 45m

£642

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Wed 18/3

23:15-17:30

1 stop15h 15m

London Heathrow

Sun 12/4

11:20-23:15

1 stop15h 55m

£642

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Wed 18/3

08:00-11:20

1 stop22h 20m

London Heathrow

Tue 7/4

14:05-04:05

1 stop20h 00m

£645

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Mon 6/4

09:00-06:35

1 stop15h 35m

London Heathrow

Sun 19/4

14:10-04:05

1 stop19h 55m

£646

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Wed 13/5

09:00-09:35

1 stop18h 35m

London Heathrow

Fri 29/5

09:30-04:05

2 stops24h 35m

£647

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Wed 4/3

20:55-07:10

2 stops31h 15m

London Heathrow

Mon 16/3

18:00-11:15

1 stop20h 15m

£653

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Mon 16/3

19:20-16:20

1 stop18h 00m

London Heathrow

Mon 23/3

07:00-06:45

2 stops26h 45m

£653

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 60 results
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Best time to book a flight from South America to Heathrow

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

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

Currently, March is the cheapest month in which you can book a flight from South America to London Heathrow Airport (average of £230). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £591). 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 SA to LHR?

Find hourly flight availability from South America to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 February 2026.

When flying from South America to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight in the morning.

Weekly flight availability from South America to London Heathrow Airport

Explore weekly flight availability from South America to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 February 2026.

The most flights from 0SA to LHR 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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 16 February 2026.
See what other customers who have flown with LATAM Airlines, TAP AIR PORTUGAL, andIberia from South America to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.
LATAM Airlines
7.5
Good
1,921 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.
TAP AIR PORTUGAL
7.1
Good
2,143 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.
Iberia
7.0
Good
3,116 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.
British Airways
6.7
Okay
7,751 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.
Avianca
6.6
Okay
2,497 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Boarding

7.5

Entertainment

7.0

Comfort

7.3

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Juan Carlos,Sept 2025

MVD - SCL

My experience was good but on my way back from LA to Vegas when I was boarding I was pulled to the side and I was asked to show my passport, I ‘am an American Citizen since 2001. I was the only one who was asked, there was no reason for that. Other that it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from South America to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from South America to London Heathrow Airport will take you 16h 45m. South America and London Heathrow Airport are separated by a distance of 5874 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 South America to London Heathrow Airport one-way?

    For one-way options, check prices for LATAM Airlines. According to our data, you can fly for as low as £247. Users have also found prices from £265 and £271 on TAP AIR PORTUGAL and Avianca, respectively.

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

    When deciding which route to take from South America to London Heathrow Airport consider Sao Paulo Guarulhos Intl - London Heathrow, Rio de Janeiro–Galeão Intl - London Heathrow or Sao Paulo Viracopos - London Heathrow as they are the most popular.

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

    The top 3 most reliable airlines when flying from South America to London Heathrow Airport are Etihad Airways (63%), Avianca (63%) and Emirates (63%).

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

    Looking at all options, your cheapest flight can be booked for £424. While the most popular route (Sao Paulo Guarulhos Intl - London Heathrow) can be booked for £537 on average, our data indicates £1,126 when flying from South America to London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South America to Heathrow 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 South America to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from South America to London Heathrow Airport (average of £230). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £591). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South America to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from South America to Heathrow

Discover the top 10 airlines that operate flights from South America to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 February 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£84Average£942FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£416Average£770FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£510Average£1,019FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£513Average£756FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TAP AIR PORTUGALCheapest£527Average£611FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
GOLCheapest£528Average£718FlexibilityNo cancel feeOn-time74%
Search GOL flights
British AirwaysCheapest£591Average£1,065FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£609Average£770FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
AviancaCheapest£625Average£908FlexibilityNo cancel feeOn-time71%
Search Avianca flights
KLMCheapest£681Average£866FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from South America to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from South America to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from South America to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from South America today and book when prices fit your budget.

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