Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from South America to London Heathrow Airport from £303

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOG — LHR
18 Apr — 25 Apr1
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 19 March 2026.

Tue 3/1107:35
GRU
-
LHR
1 stop28h 00m
Avianca
Fri 13/1121:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 16/3£571
Tue 29/917:15
GRU
-
LHR
1 stop18h 20m
Avianca
Mon 26/1021:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 14/3£575
Mon 19/1017:15
GRU
-
LHR
1 stop18h 20m
Avianca
Fri 23/1022:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 16/3£577
Thu 1/1002:20
GRU
-
LHR
1 stop33h 15m
Avianca
Sat 24/1022:05
LHR
-
GRU
1 stop28h 35m
Avianca
Deal found 16/3£578
Thu 15/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Sun 18/1022:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 16/3£581
Tue 6/1007:35
GRU
-
LHR
1 stop28h 00m
Avianca
Sun 25/1021:40
LHR
-
GRU
1 stop28h 00m
Avianca
Deal found 17/3£581
Thu 4/607:35
GRU
-
LHR
1 stop28h 00m
Avianca
Wed 10/622:05
LHR
-
GRU
1 stop22h 00m
Avianca
Deal found 15/3£582
Wed 14/1017:15
GRU
-
LHR
1 stop18h 20m
Avianca
Thu 22/1022:05
LHR
-
GRU
1 stop31h 05m
Avianca
Deal found 18/3£583
Thu 4/607:35
GRU
-
LHR
1 stop28h 00m
Avianca
Tue 16/622:05
LHR
-
GRU
1 stop28h 25m
Avianca
Deal found 16/3£584
Mon 5/1017:15
GRU
-
LHR
1 stop18h 20m
Avianca
Thu 22/1022:05
LHR
-
GRU
1 stop22h 00m
Avianca
Deal found 17/3£584
Wed 23/907:35
GRU
-
LHR
1 stop28h 00m
Avianca
Sun 18/1022:05
LHR
-
GRU
1 stop31h 05m
Avianca
Deal found 16/3£586
Tue 2/616:40
GIG
-
LHR
1 stop18h 55m
Avianca
Mon 22/622:05
LHR
-
GIG
1 stop21h 30m
Avianca
Deal found 15/3£615

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 19 March 2026.

Round-trip from

£581

One-way from

£303

Popular in

January

Cheapest in

November

Average price

£624

Good round-trip deal

£704 or less

Good one-way deal

£436 or less
Avianca
  • Avianca
  • 2/6-23/6
  • 2 total stops
  • 59h 05m total
  • South America to London
Search Deals
Avianca
  • Avianca
  • 17/7
  • 1 total stop
  • 18h 20m 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 (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 19 March 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

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Sat 1/8

14:15-09:40

1 stop15h 25m

London Heathrow

Wed 19/8

16:30-16:55

1 stop28h 25m

£643

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Wed 1/4

09:00-11:20

1 stop20h 20m

London Heathrow

Wed 15/4

19:15-13:40

1 stop24h 25m

£674

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Wed 27/5

16:35-21:05

2 stops22h 30m

London Heathrow

Wed 3/6

06:30-15:05

1 stop38h 35m

£735

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Tue 2/6

14:50-16:15

2 stops21h 25m

London Heathrow

Tue 9/6

06:15-19:40

1 stop17h 25m

£740

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Mon 6/4

09:00-06:25

1 stop15h 25m

London Heathrow

Sun 19/4

11:30-19:25

1 stop13h 55m

£742

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Fri 15/5

14:55-13:15

1 stop16h 20m

London Heathrow

Sun 31/5

06:15-19:25

1 stop19h 10m

£742

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Thu 30/7

20:45-17:45

1 stop17h 00m

London Heathrow

Wed 12/8

18:45-05:50

1 stop15h 05m

£743

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Sun 10/5

14:55-13:15

1 stop16h 20m

London Heathrow

Sat 23/5

19:45-19:25

1 stop29h 40m

£749

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Sun 7/6

16:45-08:10

Nonstop11h 25m

London Heathrow

Thu 27/8

06:15-17:35

1 stop15h 20m

£759

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Mon 1/6

14:55-12:15

1 stop15h 20m

London Heathrow

Mon 8/6

06:30-13:40

1 stop13h 10m

£760

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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 £211). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £605). 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 19 March 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.

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 14 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. Saturday 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 19 March 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 19 March 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
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Food

6.7

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Overall

7.4

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
7.4
Good
1,915 reviews
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Food

6.7

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Overall

7.4

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
2,170 reviews
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Food

6.7

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Overall

7.4

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
3,142 reviews
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Food

6.7

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Overall

7.4

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
7,802 reviews
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Food

6.7

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Overall

7.4

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
6.5
Okay
2,500 reviews
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Food

6.7

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Overall

7.4

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 15h 25m. 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 £259. Users have also found prices from £271 and £277 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 £484. While the most popular route (Sao Paulo Guarulhos Intl - London Heathrow) can be booked for £596 on average, our data indicates £1,194 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 £211). Flying from South America to London Heathrow Airport in August is currently the most expensive (average of £605). 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
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
Charles de Gaulle to Luton flights
Charles de Gaulle to Gatwick flights
Duesseldorf Intl to Stansted flights
Charles de Gaulle to Heathrow flights
Charles de Gaulle to London City flights
Pearson Intl to Heathrow flights
Duesseldorf Intl to Luton flights
LaGuardia to Gatwick flights
Duesseldorf Intl to Heathrow flights
Baltimore to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Beauvais-Tille to Stansted flights
Orly to Heathrow flights
Charles de Gaulle to Southend flights
Guarulhos Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Vienna to Gatwick flights
Vienna to London City flights
Frankfurt to Luton flights
Vancouver Intl to Heathrow flights
Seattle to Heathrow flights
Boston to Gatwick flights
Vienna to Heathrow flights
Madrid to Gatwick flights
Duesseldorf Intl to London City flights
Newark to Stansted flights
Frederic Chopin to Luton flights
Madrid to Heathrow flights
Beauvais-Tille to Gatwick flights
Vienna to Stansted flights
Frankfurt to Heathrow flights
Newark to Luton flights
Pearson Intl to Gatwick flights
Orly to Luton flights
Frederic Chopin to Stansted flights
Orly to Gatwick flights
Vienna to Luton flights
Amsterdam to Luton flights

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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£86Average£1,006FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£426Average£763FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£521Average£1,018FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£524Average£774FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TAP AIR PORTUGALCheapest£540Average£703FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
GOLCheapest£541Average£735FlexibilityNo cancel feeOn-time74%
Search GOL flights
British AirwaysCheapest£604Average£1,157FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£624Average£810FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
AviancaCheapest£640Average£929FlexibilityNo cancel feeOn-time71%
Search Avianca flights
KLMCheapest£723Average£886FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.