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Cheap flights from South America to London from £309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South America to London departing on 12/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
20:00 - 20:35
GIG
-
LHR
45h 35m2 stops
Air Canada Logo
09:00 - 11:05
LHR
-
GIG
29h 05m2 stops
£571Air Canada
Sun, 15 Mar - Thu, 26 Mar
Air Canada Logo
20:00 - 08:30
GIG
-
LHR
33h 30m1 stop
Air Canada Logo
13:25 - 11:05
LHR
-
GIG
48h 40m2 stops
£572Air Canada
Wed, 11 Mar - Mon, 16 Mar
Avianca Logo
07:30 - 14:35
GIG
-
LHR
28h 05m1 stop
Avianca Logo
21:40 - 00:40
LHR
-
GIG
30h 00m1 stop
£582Avianca
Tue, 17 Feb - Thu, 26 Feb
TAP AIR PORTUGAL Logo
20:30 - 18:50
GIG
-
LHR
18h 20m2 stops
TAP AIR PORTUGAL Logo
18:45 - 17:45
LHR
-
GIG
27h 00m1 stop
£588TAP AIR PORTUGAL
Mon, 30 Mar - Wed, 15 Apr
Avianca Logo
07:30 - 14:35
GIG
-
LHR
28h 05m1 stop
Avianca Logo
21:40 - 00:40
LHR
-
GIG
30h 00m1 stop
£595Avianca
Wed, 18 Feb - Wed, 18 Mar
TAP AIR PORTUGAL Logo
22:05 - 21:35
GIG
-
LHR
20h 30m1 stop
TAP AIR PORTUGAL Logo
19:50 - 17:20
LHR
-
GIG
25h 30m1 stop
£611TAP AIR PORTUGAL
Mon, 23 Mar - Mon, 20 Apr
LATAM Airlines Logo
15:10 - 14:05
SDU
-
LHR
19h 55m2 stops
LATAM Airlines Logo
20:15 - 13:15
LHR
-
SDU
20h 00m1 stop
£632LATAM Airlines
Wed, 11 Mar - Mon, 16 Mar
LATAM Airlines Logo
15:10 - 14:05
SDU
-
LHR
19h 55m2 stops
LATAM Airlines Logo
20:15 - 14:25
LHR
-
SDU
21h 10m2 stops
£633LATAM Airlines
Tue, 3 Mar - Mon, 16 Mar
Iberia Logo
22:35 - 17:15
BOG
-
LHR
13h 40m1 stop
Iberia Logo
18:45 - 03:40
LHR
-
BOG
14h 55m1 stop
£648Iberia
Wed, 11 Feb - Tue, 12 May
Iberia Logo
20:50 - 17:15
LIM
-
LHR
15h 25m1 stop
Iberia Logo
18:45 - 06:10
LHR
-
LIM
16h 25m1 stop
£676Iberia
Fri, 13 Feb - Thu, 19 Feb

GOL flights from South America to London Heathrow Airport

Our best GOL deals on South America to London Heathrow Airport flight tickets
GOL
16 Feb
GRU20:40Sao Paulo Guarulhos Intl
14h 05m
1 stop
LHR13:45London Heathrow
23 Feb
LHR19:20London Heathrow
29h 35m
2 stops
GRU21:55Sao Paulo Guarulhos Intl
£598
Find similar
GOL
16 Feb
GRU20:40Sao Paulo Guarulhos Intl
16h 55m
1 stop
LHR16:35London Heathrow
26 Feb
LHR14:45London Heathrow
34h 10m
2 stops
GRU21:55Sao Paulo Guarulhos Intl
£600
Find similar
GOL
15 Feb
GRU20:40Sao Paulo Guarulhos Intl
14h 05m
1 stop
LHR13:45London Heathrow
2 Mar
LHR06:30London Heathrow
15h 30m
1 stop
GRU19:00Sao Paulo Guarulhos Intl
£603
Find similar

SWISS flights from South America to London Heathrow Airport

Our best SWISS deals on South America to London Heathrow Airport flight tickets
SWISS
5 Mar
GIG15:40Rio de Janeiro–Galeão Intl
18h 20m
2 stops
LHR13:00London Heathrow
13 Mar
LHR13:45London Heathrow
19h 15m
2 stops
GIG06:00Rio de Janeiro–Galeão Intl
£653
Find similar
SWISS
23 Dec
GIG15:00Rio de Janeiro–Galeão Intl
19h 00m
2 stops
LHR13:00London Heathrow
23 Mar
LHR18:40London Heathrow
19h 05m
2 stops
GIG10:45Rio de Janeiro–Galeão Intl
£785
Find similar
SWISS
17 Dec
BOG21:05Bogotá El Dorado
19h 35m
2 stops
LHR21:40London Heathrow
28 Jan
LHR09:00London Heathrow
15h 20m
1 stop
BOG19:20Bogotá El Dorado
£816
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from South America to London Heathrow Airport 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 15 December 2025.
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

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Sun 15/3

20:00-20:35

2 stops45h 35m

London Heathrow

Thu 26/3

09:00-11:05

2 stops29h 05m

£571

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Wed 11/3

20:00-08:30

1 stop33h 30m

London Heathrow

Mon 16/3

13:25-11:05

2 stops48h 40m

£572

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Tue 17/2

07:30-14:35

1 stop28h 05m

London Heathrow

Thu 26/2

21:40-00:40

1 stop30h 00m

£582

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Mon 30/3

20:30-18:50

2 stops18h 20m

London Heathrow

Wed 15/4

18:45-17:45

1 stop27h 00m

£588

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Wed 18/2

07:30-14:35

1 stop28h 05m

London Heathrow

Wed 18/3

21:40-00:40

1 stop30h 00m

£595

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Mon 23/3

22:05-21:35

1 stop20h 30m

London Heathrow

Mon 20/4

19:50-17:20

1 stop25h 30m

£611

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Wed 11/3

15:10-14:05

2 stops19h 55m

London Heathrow

Mon 16/3

20:15-13:15

1 stop20h 00m

£632

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Tue 3/3

15:10-14:05

2 stops19h 55m

London Heathrow

Mon 16/3

20:15-14:25

2 stops21h 10m

£633

BogotáLondon

BOG - LHR

BOGLHR

Bogotá El Dorado

Wed 11/2

22:35-17:15

1 stop13h 40m

London Heathrow

Tue 12/5

18:45-03:40

1 stop14h 55m

£648

LimaLondon

LIM - LHR

LIMLHR

Lima J Chavez Intl

Fri 13/2

20:50-17:15

1 stop15h 25m

London Heathrow

Thu 19/2

18:45-06:10

1 stop16h 25m

£676

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from South America to London Heathrow Airport

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 London Heathrow Airport?

In general, March is the cheapest month to fly from South America to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £662. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from South America averaging around £744.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from South America is on a Monday. momondo users have found tickets for Monday departures for as low as £876. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,022.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from South America to London Heathrow Airport in the morning for as low as £674. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £922 on average. Flights to London Heathrow Airport from South America in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fly from Sao Paulo Guarulhos Intl to London Heathrow for the best South America - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from South America when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £815 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from South America for as low as £763 on momondo.

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

There are 3 cabin classes available to choose from on South America to London Heathrow 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 South America to London Heathrow Airport flights?

You could potentially save up to 36% on your flight if you consider stops on a South America to London Heathrow Airport flight.

Cheap South America to London Heathrow Airport flight deals and tips

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

Best price found

£300

Fastest flight time

10h 10m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from South America in the past 72 hours is £300. The best return flight deal from South America to London Heathrow Airport found on momondo in the last 72 hours is £612.
The fastest flight from South America to London Heathrow Airport takes 10h 10m
Direct flights go from South America to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from South America to London Heathrow Airport?

    Prices for flights from South America to London Heathrow Airport are refreshed on a daily basis.

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

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

    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 South America to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from South America to London Heathrow Airport

Compare and see reviews for airlines that fly from South America to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £519Free CancellationRating
7.4
1,506 reviews
Search Air France flights
LufthansaPriceFrom £528Free CancellationRating
6.8
7,631 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom £538Free CancellationRating
7.2
2,089 reviews
Search TAP AIR PORTUGAL flights
GOLPriceFrom £539Free CancellationRating
7.3
1,131 reviews
Search GOL flights
IberiaPriceFrom £600Free CancellationRating
7.0
3,052 reviews
Search Iberia flights
British AirwaysPriceFrom £602Free CancellationRating
6.7
7,578 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £615Free CancellationRating
7.5
1,891 reviews
Search LATAM Airlines flights
AviancaPriceFrom £638Free CancellationRating
6.6
2,484 reviews
Search Avianca flights
Air CanadaPriceFrom £669Free CancellationRating
7.1
10,527 reviews
Search Air Canada flights
KLMPriceFrom £694Free CancellationRating
7.7
1,432 reviews
Search KLM flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Stratford-upon-Avon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Swanage
Hayes
Chelmsford
Dover
Worthing

Why use momondo?

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

It is quick and easy to find South America to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from South America with this policy.

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

Once you have performed a search for South America to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for South America to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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