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Cheap flights from London Heathrow Airport to South America from £301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to South America departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to South America

Cheap return flights

Avianca Logo
22:05 - 19:20LHR-LIM
27h 15m1 stop
Avianca Logo
06:45 - 15:35LIM-LHR
26h 50m1 stop
£550Avianca
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Tue, 2 Sep - Tue, 7 Oct
Avianca Logo
22:05 - 19:20LHR-LIM
27h 15m1 stop
Avianca Logo
01:40 - 15:35LIM-LHR
31h 55m2 stops
£551Avianca
Find Deal
Sun, 21 Sep - Sat, 27 Sep
Iberia Logo
19:40 - 04:25LHR-BOG
13h 45m1 stop
Iberia Logo
14:10 - 09:15BOG-LHR
14h 05m1 stop
£560Iberia
Find Deal
Wed, 12 Nov - Mon, 24 Nov
Iberia Logo
19:40 - 04:25LHR-BOG
13h 45m1 stop
Iberia Logo
14:10 - 08:25BOG-LHR
13h 15m1 stop
£562Iberia
Find Deal
Mon, 10 Nov - Wed, 26 Nov
TAP AIR PORTUGAL Logo
18:30 - 19:55LHR-GRU
28h 25m1 stop
TAP AIR PORTUGAL Logo
23:15 - 18:55GRU-LHR
16h 40m1 stop
£574TAP AIR PORTUGAL
Find Deal
Mon, 3 Nov - Thu, 27 Nov
TAP AIR PORTUGAL Logo
06:00 - 19:55LHR-GRU
16h 55m1 stop
TAP AIR PORTUGAL Logo
23:15 - 17:30GRU-LHR
15h 15m1 stop
£575TAP AIR PORTUGAL
Find Deal
Mon, 10 Nov - Sun, 16 Nov
British Airways Logo
10:45 - 20:55LHR-BOG
15h 10m1 stop
British Airways Logo
14:10 - 09:15BOG-LHR
14h 05m1 stop
£610British Airways
Find Deal
Sun, 1 Feb - Sun, 1 Mar
British Airways Logo
08:25 - 19:10LHR-LIM
15h 45m1 stop
British Airways Logo
07:40 - 06:50LIM-LHR
18h 10m1 stop
£613British Airways
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Thu, 15 Jan - Fri, 23 Jan
LATAM Airlines Logo
20:15 - 05:00LHR-GRU
11h 45mdirect
LATAM Airlines Logo
23:40 - 14:05GRU-LHR
11h 25mdirect
£632LATAM Airlines
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Mon, 17 Nov - Tue, 25 Nov
LATAM Airlines Logo
20:15 - 05:00LHR-GRU
11h 45mdirect
LATAM Airlines Logo
23:40 - 14:05GRU-LHR
11h 25mdirect
£637LATAM Airlines
Find Deal
Thu, 22 Jan - Wed, 18 Mar

British Airways flights from London Heathrow Airport to South America

Our best British Airways deals on London Heathrow Airport to South America flight tickets
British Airways
1 Feb
LHR10:45London Heathrow
15h 10m
1 stop
BOG20:55Bogotá El Dorado
1 Mar
BOG14:10Bogotá El Dorado
14h 05m
1 stop
LHR09:15London Heathrow
£610
Find similar
British Airways
15 Jan
LHR08:25London Heathrow
15h 45m
1 stop
LIM19:10Lima J Chavez Intl
23 Jan
LIM07:40Lima J Chavez Intl
18h 10m
1 stop
LHR06:50London Heathrow
£613
Find similar
British Airways
5 Jan
LHR06:15London Heathrow
17h 55m
1 stop
LIM19:10Lima J Chavez Intl
23 Jan
LIM07:40Lima J Chavez Intl
22h 50m
1 stop
LHR11:30London Heathrow
£615
Find similar

Avianca flights from London Heathrow Airport to South America

Our best Avianca deals on London Heathrow Airport to South America flight tickets
Avianca
2 Sept
LHR22:05London Heathrow
27h 15m
1 stop
LIM19:20Lima J Chavez Intl
7 Oct
LIM06:45Lima J Chavez Intl
26h 50m
1 stop
LHR15:35London Heathrow
£550
Find similar
Avianca
21 Sept
LHR22:05London Heathrow
27h 15m
1 stop
LIM19:20Lima J Chavez Intl
27 Sept
LIM01:40Lima J Chavez Intl
31h 55m
2 stops
LHR15:35London Heathrow
£551
Find similar
Avianca
2 Sept
LHR22:05London Heathrow
27h 15m
1 stop
LIM19:20Lima J Chavez Intl
7 Oct
LIM06:45Lima J Chavez Intl
26h 50m
1 stop
LHR15:35London Heathrow
£552
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to South America 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, momondo users made 279,928 searches. Data last updated 8 August 2025.
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

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Tue 2/9

22:05-19:20

1 stop27h 15m

Lima J Chavez Intl

Tue 7/10

06:45-15:35

1 stop26h 50m

£550

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Sun 21/9

22:05-19:20

1 stop27h 15m

Lima J Chavez Intl

Sat 27/9

01:40-15:35

2 stops31h 55m

£551

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Wed 12/11

19:40-04:25

1 stop13h 45m

Bogotá El Dorado

Mon 24/11

14:10-09:15

1 stop14h 05m

£560

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Mon 10/11

19:40-04:25

1 stop13h 45m

Bogotá El Dorado

Wed 26/11

14:10-08:25

1 stop13h 15m

£562

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Mon 3/11

18:30-19:55

1 stop28h 25m

Sao Paulo Guarulhos Intl

Thu 27/11

23:15-18:55

1 stop16h 40m

£574

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Mon 10/11

06:00-19:55

1 stop16h 55m

Sao Paulo Guarulhos Intl

Sun 16/11

23:15-17:30

1 stop15h 15m

£575

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Sun 1/2

10:45-20:55

1 stop15h 10m

Bogotá El Dorado

Sun 1/3

14:10-09:15

1 stop14h 05m

£610

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Thu 15/1

08:25-19:10

1 stop15h 45m

Lima J Chavez Intl

Fri 23/1

07:40-06:50

1 stop18h 10m

£613

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Mon 17/11

20:15-05:00

Nonstop11h 45m

Sao Paulo Guarulhos Intl

Tue 25/11

23:40-14:05

Nonstop11h 25m

£632

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Thu 22/1

20:15-05:00

Nonstop11h 45m

Sao Paulo Guarulhos Intl

Wed 18/3

23:40-14:05

Nonstop11h 25m

£637

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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How to get the cheapest flight ticket from London Heathrow Airport to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South America?

In general, March is the cheapest month to fly from London Heathrow Airport to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £647. If you are unable to visit South America during the month of March, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £680.

What is the cheapest day to depart on your flight to South America?

Our data shows that Wednesday is the least expensive day to fly to South America. Tickets to fly out on this day can be as low as £867. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to South America for around £919.

What is the cheapest time of day to depart on your flight to South America?

Our data shows that the cheapest London Heathrow Airport to South America flights are usually those with departure times at midday. Our users have found flights to South America at midday for as low as £689. Try not to purchase tickets in the evening because they tend to be around £895. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to South America flight route?

Fly from London Heathrow to Bogotá El Dorado for the best London Heathrow - South America flight prices

How far in advance should I book a flight to South America?

You are more likely to see cheaper flights to South America from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around £783 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from London Heathrow Airport for as low as £713 on momondo.

What cabin class options are available on London Heathrow to South America flights?

There are 3 cabin classes available to choose from on London Heathrow to South America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to South America flights?

You could potentially save up to 25% on your flight if you consider stops on a London Heathrow Airport to South America flight.

Cheap London Heathrow Airport to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to South America

Best price found

£301

Fastest flight time

10h 55m

Direct flights

Every day

Airports in South America

7 airports
The best one-way flight to South America from London Heathrow Airport in the past 72 hours is £301. The best return flight deal from London Heathrow Airport to South America found on momondo in the last 72 hours is £550.
The fastest flight from London Heathrow Airport to South America takes 10h 55m
Direct flights go from London Heathrow Airport to South America every day.
There are 7 airports near South America: Lima J Chavez Intl (LIM), Sao Paulo Viracopos (VCP), Rio de Janeiro–Galeão Intl (GIG), Rio de Janeiro Santos Dumont (SDU), Sao Paulo Congonhas (CGH), Bogotá El Dorado (BOG), Sao Paulo Guarulhos Intl (GRU)
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  • When did momondo last update prices for flights from London Heathrow Airport to South America?

    Prices for flights from London Heathrow Airport to South America are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to South America?

  • How old do you have to be to fly from London Heathrow Airport to South America?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to South America.

  • What documentation or ID do you need to fly to South America?

    The travel and health documents required for your trip to South America can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South America. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport to South America?

Best airlines flying from London Heathrow Airport to South America

Compare and see reviews for airlines that fly from London Heathrow Airport to South America with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom £337Free CancellationRating
6.7
2,394 reviews
Search Avianca flights
Air FrancePriceFrom £447Free CancellationRating
7.4
1,466 reviews
Search Air France flights
TAP AIR PORTUGALPriceFrom £488Free CancellationRating
7.1
1,944 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £525Free CancellationRating
7.8
1,382 reviews
Search KLM flights
IberiaPriceFrom £543Free CancellationRating
7.0
2,866 reviews
Search Iberia flights
Air CanadaPriceFrom £573Free CancellationRating
7.1
9,899 reviews
Search Air Canada flights
IcelandairPriceFrom £573Free CancellationRating
7.0
524 reviews
Search Icelandair flights
FinnairPriceFrom £581Free CancellationRating
7.6
1,319 reviews
Search Finnair flights
LATAM AirlinesPriceFrom £588Free CancellationRating
7.5
1,834 reviews
Search LATAM Airlines flights
British AirwaysPriceFrom £588Free CancellationRating
6.6
7,251 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to South America?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to South America for you.

Can I find flights from London to South America with flexible booking policies on momondo?

Flights from London to South America with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to South America?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to South America.

I’m not ready to book a flight from London to South America right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to South America now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to South America and let you know when they change.

An easier way to manage your South America trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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