Cheap flights from South America to London Heathrow Airport from £300

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOG — LHR
4 Mar — 11 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 2 February 2026.

Wed 1/401:20
GRU
-
LHR
1 stop34h 15m
Avianca
Sun 12/422:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 1/2£567
Thu 12/307:35
GRU
-
LHR
1 stop28h 00m
Avianca
Mon 16/321:40
LHR
-
GRU
1 stop35h 00m
Avianca
Deal found 1/2£568
Wed 25/317:25
GRU
-
LHR
1 stop18h 10m
Avianca
Thu 14/522:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 31/1£569
Mon 25/507:35
GRU
-
LHR
1 stop28h 00m
Avianca
Sat 20/622:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 31/1£570
Sun 1/1107:35
GRU
-
LHR
1 stop28h 00m
Avianca
Wed 11/1121:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 1/2£572
Tue 10/201:20
GRU
-
LHR
1 stop34h 15m
Avianca
Mon 9/321:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 31/1£573
Tue 17/307:35
GRU
-
LHR
1 stop28h 00m
Avianca
Sun 22/321:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 31/1£574
Mon 16/223:15
GRU
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Tue 10/318:30
LHR
-
GRU
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 31/1£575
Wed 29/718:50
GRU
-
LHR
1 stop16h 50m
ITA Airways
Wed 2/910:30
LHR
-
GRU
1 stop22h 50m
ITA Airways
Deal found 30/1£575
Fri 30/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Tue 10/1121:40
LHR
-
GRU
1 stop35h 00m
Avianca
Deal found 1/2£576
Tue 20/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Wed 28/1021:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 1/2£577
Mon 23/317:25
GRU
-
LHR
1 stop18h 10m
Avianca
Mon 30/322:05
LHR
-
GRU
1 stop22h 00m
Avianca
Deal found 1/2£578

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 2 February 2026.

Round-trip from

£567

One-way from

£300

Popular in

July

Cheapest in

March

Average price

£589

Good round-trip deal

£642 or less

Good one-way deal

£413 or less
Avianca
  • Avianca
  • 1/4-12/4
  • 2 total stops
  • 62h 40m total
  • South America to London
26/2
  • 26/2
  • 1 total stop
  • 21h 35m total
  • South America to London
Highest demand for flights based on searches. 8% potential increase in price (£44 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from South America to London Heathrow.
Price to beat on a one-way flight from South America to London Heathrow.

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 2 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

Wed 18/2

14:40-16:35

1 stop22h 55m

London Heathrow

Wed 18/3

06:20-22:05

2 stops18h 45m

£608

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Wed 29/7

15:30-06:50

Nonstop11h 20m

London Heathrow

Wed 2/9

18:45-06:00

1 stop15h 15m

£636

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Tue 17/3

15:10-14:05

2 stops19h 55m

London Heathrow

Tue 24/3

13:25-09:25

2 stops23h 00m

£641

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Tue 3/3

09:00-07:10

1 stop17h 10m

London Heathrow

Tue 10/3

13:25-04:20

1 stop19h 55m

£641

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Thu 19/3

16:25-06:45

Nonstop11h 20m

London Heathrow

Wed 1/4

22:20-06:00

Nonstop11h 40m

£647

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Tue 17/3

13:40-14:05

2 stops21h 25m

London Heathrow

Sun 22/3

20:15-09:25

1 stop16h 10m

£655

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Thu 12/2

09:00-07:10

1 stop17h 10m

London Heathrow

Wed 25/2

09:00-05:20

2 stops25h 20m

£660

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Thu 12/3

23:50-21:35

2 stops18h 45m

London Heathrow

Sun 15/3

12:25-23:55

1 stop14h 30m

£664

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 25/5

14:15-15:05

2 stops20h 50m

London Heathrow

Wed 10/6

21:20-13:10

1 stop19h 50m

£667

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Sun 1/3

09:00-07:50

1 stop17h 50m

London Heathrow

Thu 12/3

20:25-14:30

1 stop23h 05m

£667

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 £253). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £584). 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 2 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 2 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 2 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.

Overall

7.5

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.5

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.5

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.5

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.5

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.5

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.5

Crew

8.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 17h 10m. 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 £246. Users have also found prices from £264 and £270 on TAP AIR PORTUGAL and Avianca, respectively.

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

  • 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 (60%), Avianca (60%) and Emirates (60%).

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

    Looking at all options, your cheapest flight can be booked for £423. While the most popular route (Sao Paulo Guarulhos Intl - London Heathrow) can be booked for £532 on average, our data indicates £1,120 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 £253). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £584). 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
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South America to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£84Average£938FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£415Average£767FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£508Average£1,015FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£511Average£753FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TAP AIR PORTUGALCheapest£525Average£608FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
GOLCheapest£526Average£715FlexibilityNo cancel feeOn-time74%
Search GOL flights
British AirwaysCheapest£588Average£1,061FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£601Average£767FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
AviancaCheapest£623Average£902FlexibilityNo cancel feeOn-time71%
Search Avianca flights
KLMCheapest£678Average£862FlexibilityNo 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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