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Cheap flights from London Heathrow Airport to South America from £283

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 7/3. 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.
Iberia Logo
19:05 - 06:10
LHR
-
LIM
16h 05m
1 stop
Iberia Logo
20:50 - 17:15
LIM
-
LHR
15h 25m
1 stop
£580Iberia
Wed, 11 Mar - Thu, 26 Mar
Air Canada Logo
09:00 - 05:10
LHR
-
LIM
25h 10m
2 stops
Air Canada Logo
08:05 - 20:35
LIM
-
LHR
31h 30m
2 stops
£587Air Canada
Tue, 17 Mar - Thu, 26 Mar
LATAM Airlines Logo
20:15 - 10:30
LHR
-
LIM
19h 15m
1 stop
LATAM Airlines Logo
09:25 - 14:05
LIM
-
LHR
23h 40m
1 stop
£601LATAM Airlines
Thu, 12 Mar - Tue, 24 Mar
Avianca Logo
22:05 - 20:50
LHR
-
LIM
28h 45m
1 stop
Avianca Logo
11:45 - 15:35
LIM
-
LHR
21h 50m
1 stop
£603Avianca
Tue, 2 Jun - Mon, 15 Jun
Avianca Logo
22:05 - 03:30
LHR
-
LIM
35h 25m
2 stops
Avianca Logo
07:30 - 15:35
LIM
-
LHR
26h 05m
1 stop
£604Avianca
Tue, 2 Jun - Mon, 15 Jun
LATAM Airlines Logo
20:15 - 10:30
LHR
-
LIM
19h 15m
1 stop
LATAM Airlines Logo
09:25 - 14:05
LIM
-
LHR
23h 40m
1 stop
£605LATAM Airlines
Thu, 12 Mar - Tue, 24 Mar
TAP AIR PORTUGAL Logo
18:30 - 19:55
LHR
-
GRU
28h 25m
1 stop
TAP AIR PORTUGAL Logo
22:15 - 22:40
GRU
-
LHR
21h 25m
2 stops
£606TAP AIR PORTUGAL
Sun, 8 Mar - Sat, 14 Mar
TAP AIR PORTUGAL Logo
12:25 - 23:55
LHR
-
GRU
14h 30m
1 stop
TAP AIR PORTUGAL Logo
22:15 - 21:35
GRU
-
LHR
20h 20m
2 stops
£607TAP AIR PORTUGAL
Sat, 7 Mar - Sat, 21 Mar
KLM Logo
08:40 - 22:50
LHR
-
MDE
20h 10m
2 stops
KLM Logo
15:15 - 19:25
MDE
-
LHR
22h 10m
2 stops
£675KLM
Mon, 18 May - Mon, 8 Jun
KLM Logo
20:55 - 19:55
LHR
-
MDE
29h 00m
2 stops
KLM Logo
15:15 - 20:55
MDE
-
LHR
23h 40m
2 stops
£680KLM
Mon, 18 May - Wed, 3 Jun

Air Canada flights from London Heathrow Airport to South America

Our best Air Canada deals on London Heathrow Airport to South America flight tickets
Air Canada
17 Mar
LHR09:00London Heathrow
25h 10m
2 stops
LIM05:10Lima J Chavez Intl
26 Mar
LIM08:05Lima J Chavez Intl
31h 30m
2 stops
LHR20:35London Heathrow
£587
Air Canada
10 Feb
LHR13:25London Heathrow
20h 55m
1 stop
BOG05:20Bogotá El Dorado
31 Mar
BOG09:00Bogotá El Dorado
15h 30m
1 stop
LHR06:30London Heathrow
£595
Air Canada
17 Mar
LHR13:00London Heathrow
21h 10m
1 stop
LIM05:10Lima J Chavez Intl
26 Mar
LIM08:05Lima J Chavez Intl
17h 25m
1 stop
LHR06:30London Heathrow
£597

KLM flights from London Heathrow Airport to South America

Our best KLM deals on London Heathrow Airport to South America flight tickets
KLM
22 Feb
LHR20:25London Heathrow
23h 05m
1 stop
BOG14:30Bogotá El Dorado
2 Mar
BOG09:00Bogotá El Dorado
17h 50m
1 stop
LHR07:50London Heathrow
£622
KLM
18 Mar
LHR17:05London Heathrow
26h 25m
1 stop
BOG14:30Bogotá El Dorado
15 Apr
BOG09:00Bogotá El Dorado
15h 45m
1 stop
LHR06:45London Heathrow
£625
KLM
9 Feb
LHR15:45London Heathrow
27h 45m
1 stop
BOG14:30Bogotá El Dorado
19 Feb
BOG15:55Bogotá El Dorado
14h 45m
1 stop
LHR11:40London Heathrow
£632

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 February 2026.
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

Wed 11/3

19:05-06:10

1 stop16h 05m

Lima J Chavez Intl

Thu 26/3

20:50-17:15

1 stop15h 25m

£580

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Tue 17/3

09:00-05:10

2 stops25h 10m

Lima J Chavez Intl

Thu 26/3

08:05-20:35

2 stops31h 30m

£587

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Thu 12/3

20:15-10:30

1 stop19h 15m

Lima J Chavez Intl

Tue 24/3

09:25-14:05

1 stop23h 40m

£601

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Tue 2/6

22:05-20:50

1 stop28h 45m

Lima J Chavez Intl

Mon 15/6

11:45-15:35

1 stop21h 50m

£603

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Tue 2/6

22:05-03:30

2 stops35h 25m

Lima J Chavez Intl

Mon 15/6

07:30-15:35

1 stop26h 05m

£604

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Thu 12/3

20:15-10:30

1 stop19h 15m

Lima J Chavez Intl

Tue 24/3

09:25-14:05

1 stop23h 40m

£605

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Sun 8/3

18:30-19:55

1 stop28h 25m

Sao Paulo Guarulhos Intl

Sat 14/3

22:15-22:40

2 stops21h 25m

£606

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Sat 7/3

12:25-23:55

1 stop14h 30m

Sao Paulo Guarulhos Intl

Sat 21/3

22:15-21:35

2 stops20h 20m

£607

LondonMedellín

LHR - MDE

LHRMDE

London Heathrow

Mon 18/5

08:40-22:50

2 stops20h 10m

Medellín Jose Maria Cordova Intl

Mon 8/6

15:15-19:25

2 stops22h 10m

£675

LondonMedellín

LHR - MDE

LHRMDE

London Heathrow

Mon 18/5

20:55-19:55

2 stops29h 00m

Medellín Jose Maria Cordova Intl

Wed 3/6

15:15-20:55

2 stops23h 40m

£680

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, April 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 £619. If you are unable to visit South America during the month of April, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £621.

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

Our data shows that Monday is the least expensive day to fly to South America. Tickets to fly out on this day can be as low as £783. 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 £868.

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 £743 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 £656 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 4% 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

£371

Fastest flight time

11h 05m

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 £371. The best return flight deal from London Heathrow Airport to South America found on momondo in the last 72 hours is £653.
The fastest flight from London Heathrow Airport to South America takes 11h 05m
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
British AirwaysPriceFrom £123Free CancellationRating
6.7
7,721 reviews
Search British Airways flights
AviancaPriceFrom £406Free CancellationRating
6.5
2,498 reviews
Search Avianca flights
TAP AIR PORTUGALPriceFrom £483Free CancellationRating
7.1
2,135 reviews
Search TAP AIR PORTUGAL flights
FinnairPriceFrom £487Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
IberiaPriceFrom £498Free CancellationRating
7.0
3,109 reviews
Search Iberia flights
JetBluePriceFrom £498Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
Air FrancePriceFrom £518Free CancellationRating
7.4
1,531 reviews
Search Air France flights
KLMPriceFrom £532Free CancellationRating
7.7
1,450 reviews
Search KLM flights
Air CanadaPriceFrom £549Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
LufthansaPriceFrom £595Free CancellationRating
6.8
7,775 reviews
Search Lufthansa 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

Popular Cities in South America

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