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Cheap flights from South America to London Heathrow Airport from £318

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOG — LHR
3 May — 10 May1
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 3 April 2026.

Wed 30/917:15
GRU
-
LHR
1 stop18h 20m
Avianca
Tue 3/1121:40
LHR
-
GRU
1 stop21h 35m
Avianca
Deal found 31/3£594
Tue 29/902:20
GRU
-
LHR
1 stop33h 15m
Avianca
Sat 31/1021:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 30/3£595
Sun 18/1017:15
GRU
-
LHR
1 stop18h 20m
Avianca
Sun 25/1021:40
LHR
-
GRU
1 stop35h 00m
Avianca
Deal found 31/3£613
Mon 26/1017:25
GRU
-
LHR
1 stop18h 10m
Avianca
Thu 12/1121:40
LHR
-
GRU
1 stop21h 35m
Avianca
Deal found 1/4£614
Mon 23/1117:25
GRU
-
LHR
1 stop18h 10m
Avianca
Mon 30/1121:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 3/4£616
Sat 17/1002:20
GRU
-
LHR
1 stop33h 15m
Avianca
Mon 26/1021:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 3/4£616
Mon 5/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Fri 23/1022:05
LHR
-
GRU
1 stop31h 05m
Avianca
Deal found 31/3£620
Wed 17/623:50
GRU
-
LHR
Nonstop11h 15m
LATAM Airlines
Mon 22/621:20
LHR
-
GRU
Nonstop11h 35m
LATAM Airlines
Deal found 31/3£624
Sun 1/1117:25
GRU
-
LHR
1 stop18h 10m
Avianca
Sun 29/1121:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 31/3£634
Mon 5/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Thu 22/1022:05
LHR
-
GRU
1 stop22h 00m
Avianca
Deal found 31/3£635
Mon 5/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Tue 20/1022:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 2/4£635
Wed 11/1116:35
GIG
-
LHR
1 stop17h 05m
TAP AIR PORTUGAL
Wed 18/1118:30
LHR
-
GIG
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 29/3£640

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 3 April 2026.

Round-trip from

£594

One-way from

£318

Popular in

January

Cheapest in

November

Average price

£762

Good round-trip deal

£710 or less

Good one-way deal

£395 or less
Avianca
  • Avianca
  • 30/9-3/11
  • 2 total stops
  • 39h 55m total
  • South America to London
Search Deals
11/6
  • 11/6
  • 1 total stop
  • 20h 05m total
  • South America to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 3 April 2026.
Use the filters below to find and compare flights from South America to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Tue 21/4

09:00-06:25

1 stop15h 25m

London Heathrow

Wed 22/4

20:55-13:40

1 stop22h 45m

£675

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Thu 28/5

14:55-13:15

1 stop16h 20m

London Heathrow

Tue 2/6

11:30-19:25

1 stop13h 55m

£738

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Sun 19/4

09:00-06:25

1 stop15h 25m

London Heathrow

Tue 28/4

19:15-13:40

1 stop24h 25m

£739

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Wed 29/7

08:15-09:40

2 stops21h 25m

London Heathrow

Thu 27/8

16:30-16:45

2 stops28h 15m

£747

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Tue 22/9

03:30-22:00

1 stop14h 30m

London Heathrow

Wed 25/11

18:30-22:20

2 stops30h 50m

£763

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Sun 7/6

15:15-16:15

2 stops19h 00m

London Heathrow

Sat 20/6

15:15-13:40

1 stop28h 25m

£766

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Mon 1/6

03:30-22:55

1 stop15h 25m

London Heathrow

Tue 9/6

06:00-17:20

1 stop15h 20m

£779

Sao PauloLondon

CGH - LHR

CGHLHR

Sao Paulo Congonhas

Tue 2/6

11:50-16:35

2 stops24h 45m

London Heathrow

Thu 11/6

19:45-20:05

2 stops52h 20m

£821

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Tue 5/5

13:35-18:35

2 stops25h 00m

London Heathrow

Wed 13/5

08:40-07:15

2 stops26h 35m

£837

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Fri 15/5

14:55-13:15

1 stop16h 20m

London Heathrow

Mon 25/5

17:10-13:40

1 stop26h 30m

£839

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

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 £287). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £610). 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 3 April 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 38% versus a flight in the morning.

What is the cheapest day to fly from South America to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from South America to Heathrow. Price data was last updated on 28 March 2026.

Travellers seeking maximum savings on their South America to London Heathrow Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 3 April 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 3 April 2026.
See what other customers who have flown with KLM,LATAM Airlines, andTAP AIR PORTUGAL 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.
KLM
7.7
Good
1,485 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,485 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
LATAM Airlines
7.4
Good
1,908 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
TAP AIR PORTUGAL
7.1
Good
2,188 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,847 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Avianca
6.5
Okay
2,505 reviews
KLM
7.7
Good
1,485 reviews
Check prices

Crew

8.4

Overall

7.7

Food

7.3

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 15h 25m. South America and London Heathrow Airport are separated by a distance of 5262 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 £261. Users have also found prices from £273 and £280 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 (73%), Avianca (73%) and Emirates (73%).

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

    Looking at all options, your cheapest flight can be booked for £511. While the most popular route (Sao Paulo Guarulhos Intl - London Heathrow) can be booked for £636 on average, our data indicates £731 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 £287). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £610). 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
Wembley
Croydon
Northampton
Hounslow
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Bedford
Chelmsford

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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£87Average£948FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£430Average£770FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£526Average£1,026FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£529Average£780FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TAP AIR PORTUGALCheapest£544Average£716FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
GOLCheapest£545Average£741FlexibilityNo cancel feeOn-time74%
Search GOL flights
British AirwaysCheapest£609Average£1,183FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£629Average£849FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
AviancaCheapest£645Average£927FlexibilityNo cancel feeOn-time71%
Search Avianca flights
KLMCheapest£729Average£894FlexibilityNo 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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