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Cheap flights from London Heathrow Airport to South America from £306

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 28/1. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to South America

Cheap return flights

Enter your travel dates to find the best prices.
Avianca Logo
21:40 - 03:45
LHR
-
BOG
11h 05mdirect
Avianca Logo
23:25 - 14:35
BOG
-
LHR
10h 10mdirect
£572Avianca
Fri, 20 Feb - Sat, 14 Mar
United Airlines Logo
12:00 - 23:05
LHR
-
BOG
16h 05m1 stop
United Airlines Logo
09:48 - 06:20
BOG
-
LHR
15h 32m1 stop
£576United Airlines
Thu, 19 Feb - Tue, 17 Mar
Air Canada Logo
09:00 - 05:20
LHR
-
BOG
25h 20m2 stops
Air Canada Logo
09:00 - 07:10
BOG
-
LHR
17h 10m1 stop
£578Air Canada
Mon, 9 Feb - Tue, 24 Feb
Lufthansa Logo
18:30 - 06:00
LHR
-
GIG
14h 30m1 stop
Lufthansa Logo
15:40 - 09:45
GIG
-
LHR
15h 05m1 stop
£656Lufthansa
Sat, 14 Mar - Wed, 25 Mar
Lufthansa Logo
06:35 - 06:40
LHR
-
GIG
27h 05m2 stops
Lufthansa Logo
15:40 - 18:45
GIG
-
LHR
24h 05m1 stop
£658Lufthansa
Wed, 11 Mar - Wed, 25 Mar
British Airways Logo
21:45 - 05:25
LHR
-
GIG
11h 40mdirect
British Airways Logo
19:15 - 18:15
GIG
-
LHR
19h 00m1 stop
£661British Airways
Mon, 13 Apr - Mon, 11 May
British Airways Logo
21:45 - 05:25
LHR
-
GIG
11h 40mdirect
British Airways Logo
19:15 - 18:15
GIG
-
LHR
19h 00m1 stop
£663British Airways
Fri, 29 May - Thu, 11 Jun
LATAM Airlines Logo
06:55 - 21:05
LHR
-
GRU
17h 10m1 stop
LATAM Airlines Logo
23:35 - 17:15
GRU
-
LHR
14h 40m1 stop
£680LATAM Airlines
Wed, 11 Feb - Wed, 4 Mar
LATAM Airlines Logo
20:15 - 13:15
LHR
-
SDU
20h 00m1 stop
LATAM Airlines Logo
21:20 - 15:05
SDU
-
LHR
37h 45m2 stops
£731LATAM Airlines
Tue, 17 Mar - Tue, 7 Apr
Iberia Logo
19:40 - 17:55
LHR
-
EZE
25h 15m1 stop
Iberia Logo
14:20 - 17:15
EZE
-
LHR
23h 55m1 stop
£848Iberia
Fri, 16 Jan - Tue, 10 Feb

Avianca flights from London Heathrow Airport to South America

Our best Avianca deals on London Heathrow Airport to South America flight tickets
Avianca
20 Feb
LHR21:40London Heathrow
11h 05m
BOG03:45Bogotá El Dorado
14 Mar
BOG23:25Bogotá El Dorado
10h 10m
LHR14:35London Heathrow
£572
Find similar
Avianca
8 Feb
LHR21:40London Heathrow
11h 05m
BOG03:45Bogotá El Dorado
18 Feb
BOG23:25Bogotá El Dorado
10h 10m
LHR14:35London Heathrow
£579
Find similar
Avianca
19 Jan
LHR21:40London Heathrow
11h 05m
BOG03:45Bogotá El Dorado
26 Jan
BOG23:25Bogotá El Dorado
10h 10m
LHR14:35London Heathrow
£590
Find similar

United Airlines flights from London Heathrow Airport to South America

Our best United Airlines deals on London Heathrow Airport to South America flight tickets
United Airlines
19 Feb
LHR12:00London Heathrow
16h 05m
1 stop
BOG23:05Bogotá El Dorado
17 Mar
BOG09:48Bogotá El Dorado
15h 32m
1 stop
LHR06:20London Heathrow
£576
Find similar
United Airlines
26 Dec
LHR09:10London Heathrow
25h 10m
2 stops
EZE07:20Buenos Aires Ministro Pistarini
25 Jan
EZE23:55Buenos Aires Ministro Pistarini
32h 10m
2 stops
LHR11:05London Heathrow
£1,192
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 21 December 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

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Fri 20/2

21:40-03:45

Nonstop11h 05m

Bogotá El Dorado

Sat 14/3

23:25-14:35

Nonstop10h 10m

£572

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Thu 19/2

12:00-23:05

1 stop16h 05m

Bogotá El Dorado

Tue 17/3

09:48-06:20

1 stop15h 32m

£576

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Mon 9/2

09:00-05:20

2 stops25h 20m

Bogotá El Dorado

Tue 24/2

09:00-07:10

1 stop17h 10m

£578

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Sat 14/3

18:30-06:00

1 stop14h 30m

Rio de Janeiro–Galeão Intl

Wed 25/3

15:40-09:45

1 stop15h 05m

£656

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Wed 11/3

06:35-06:40

2 stops27h 05m

Rio de Janeiro–Galeão Intl

Wed 25/3

15:40-18:45

1 stop24h 05m

£658

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Mon 13/4

21:45-05:25

Nonstop11h 40m

Rio de Janeiro–Galeão Intl

Mon 11/5

19:15-18:15

1 stop19h 00m

£661

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Fri 29/5

21:45-05:25

Nonstop11h 40m

Rio de Janeiro–Galeão Intl

Thu 11/6

19:15-18:15

1 stop19h 00m

£663

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Wed 11/2

06:55-21:05

1 stop17h 10m

Sao Paulo Guarulhos Intl

Wed 4/3

23:35-17:15

1 stop14h 40m

£680

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 17/3

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Tue 7/4

21:20-15:05

2 stops37h 45m

£731

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Fri 16/1

19:40-17:55

1 stop25h 15m

Buenos Aires Ministro Pistarini

Tue 10/2

14:20-17:15

1 stop23h 55m

£848

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, February 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 £613. If you are unable to visit South America during the month of February, then departing from London Heathrow Airport during the month April is also very affordable. Most momondo users find prices during this month for around £630.

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

Our data shows that Tuesday is the least expensive day to fly to South America. Tickets to fly out on this day can be as low as £799. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to South America for around £880.

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 £688. Try not to purchase tickets in the evening because they tend to be around £839. 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 £749 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 £658 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 18% 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

£495

Fastest flight time

10h 55m

Direct flights

Every day

Airports in South America

463 airports
The best one-way flight to South America from London Heathrow Airport in the past 72 hours is £495. The best return flight deal from London Heathrow Airport to South America found on momondo in the last 72 hours is £626.
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 463 airports in South America. From London Heathrow Airport there are direct flights to Bogotá El Dorado (BOG).
Search flight deals

  • 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 £413Free CancellationRating
6.6
2,488 reviews
Search Avianca flights
Air FrancePriceFrom £448Free CancellationRating
7.4
1,509 reviews
Search Air France flights
TAP AIR PORTUGALPriceFrom £485Free CancellationRating
7.2
2,093 reviews
Search TAP AIR PORTUGAL flights
IberiaPriceFrom £507Free CancellationRating
7.0
3,055 reviews
Search Iberia flights
KLMPriceFrom £525Free CancellationRating
7.7
1,429 reviews
Search KLM flights
Air CanadaPriceFrom £558Free CancellationRating
7.1
10,549 reviews
Search Air Canada flights
FinnairPriceFrom £582Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
British AirwaysPriceFrom £592Free CancellationRating
6.7
7,600 reviews
Search British Airways flights
LufthansaPriceFrom £596Free CancellationRating
6.8
7,639 reviews
Search Lufthansa flights
LATAM AirlinesPriceFrom £604Free CancellationRating
7.5
1,893 reviews
Search LATAM Airlines 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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Find better results for your trip to South America

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Popular flights according to clicks in the last 7 days on momondo
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