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Cheap flights from London to South America from £300

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 to South America departing on 17/9. 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 to South America

Cheap return flights

Logo
06:30 - 13:40LHR-BOG
13h 10m1 stop
Logo
21:40 - 21:25BOG-LHR
18h 45m1 stop
£561
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Fri, 19 Sep - Sun, 23 Nov
TAP AIR PORTUGAL Logo
21:35 - 21:45LGW-GRU
27h 10m1 stop
TAP AIR PORTUGAL Logo
23:50 - 09:25GRU-LGW
30h 35m1 stop
£561TAP AIR PORTUGAL
Find Deal
Fri, 14 Nov - Thu, 27 Nov
Avianca Logo
21:40 - 22:40LHR-GRU
28h 00m1 stop
Avianca Logo
07:35 - 14:35GRU-LHR
28h 00m1 stop
£583Avianca
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Wed, 29 Oct - Fri, 14 Nov
Air Europa Logo
10:00 - 06:30LGW-GRU
23h 30m1 stop
Air Europa Logo
15:05 - 09:00GRU-LGW
14h 55m1 stop
£592Air Europa
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Tue, 18 Nov - Tue, 25 Nov
Avianca Logo
22:05 - 15:20LHR-GRU
21h 15m1 stop
Avianca Logo
07:20 - 15:35GRU-LHR
28h 15m1 stop
£592Avianca
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Thu, 21 Aug - Thu, 9 Oct
Air Europa Logo
10:00 - 06:30LGW-GRU
23h 30m1 stop
Air Europa Logo
15:05 - 16:25GRU-LGW
22h 20m1 stop
£600Air Europa
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Fri, 21 Nov - Tue, 9 Dec
LATAM Airlines Logo
21:20 - 05:00LHR-GRU
11h 40mdirect
LATAM Airlines Logo
23:45 - 15:05GRU-LHR
11h 20mdirect
£645LATAM Airlines
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Thu, 21 Aug - Thu, 9 Oct
British Airways Logo
07:30 - 18:40LHR-GIG
14h 10m1 stop
British Airways Logo
18:00 - 08:35GIG-LHR
11h 35mdirect
£651British Airways
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Tue, 25 Nov - Tue, 9 Dec
British Airways Logo
06:15 - 18:40LHR-GIG
15h 25m1 stop
British Airways Logo
18:00 - 08:35GIG-LHR
11h 35mdirect
£653British Airways
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Thu, 13 Nov - Tue, 9 Dec
LATAM Airlines Logo
20:15 - 09:35LHR-SDU
16h 20m1 stop
LATAM Airlines Logo
20:05 - 14:05SDU-LHR
15h 00m1 stop
£753LATAM Airlines
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Tue, 25 Nov - Tue, 9 Dec

Iberia flights from London to South America

Our best Iberia deals on London to South America flight tickets
Iberia
12 Nov
LHR19:05London Heathrow
14h 20m
1 stop
BOG04:25Bogotá El Dorado
24 Nov
BOG22:35Bogotá El Dorado
13h 00m
1 stop
LHR16:35London Heathrow
£567
Find similar
Iberia
12 Nov
LHR18:45London Heathrow
14h 40m
1 stop
BOG04:25Bogotá El Dorado
24 Nov
BOG14:10Bogotá El Dorado
13h 15m
1 stop
LHR08:25London Heathrow
£568
Find similar
Iberia
11 Sept
LHR19:10London Heathrow
14h 50m
1 stop
BOG04:00Bogotá El Dorado
13 Nov
BOG22:35Bogotá El Dorado
13h 40m
1 stop
LHR17:15London Heathrow
£570
Find similar

Air Canada flights from London to South America

Our best Air Canada deals on London to South America flight tickets
Air Canada
12 Sept
LHR17:40London Heathrow
16h 25m
1 stop
BOG04:05Bogotá El Dorado
3 Oct
BOG09:00Bogotá El Dorado
20h 50m
1 stop
LHR11:50London Heathrow
£604
Find similar
Air Canada
16 Sept
LHR09:30London Heathrow
24h 35m
1 stop
BOG04:05Bogotá El Dorado
16 May
BOG09:00Bogotá El Dorado
19h 00m
1 stop
LHR10:00London Heathrow
£605
Find similar
Air Canada
13 Sept
LHR06:50London Heathrow
27h 15m
2 stops
BOG04:05Bogotá El Dorado
20 Sept
BOG09:00Bogotá El Dorado
18h 35m
1 stop
LHR09:35London Heathrow
£607
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 1 August 2025.
Use the filters below to find and compare flights from London to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBogotá

LHR - BOG

LHRBOG

London Heathrow

Fri 19/9

06:30-13:40

1 stop13h 10m

Bogotá El Dorado

Sun 23/11

21:40-21:25

1 stop18h 45m

£561

LondonSao Paulo

LGW - GRU

LGWGRU

London Gatwick

Fri 14/11

21:35-21:45

1 stop27h 10m

Sao Paulo Guarulhos Intl

Thu 27/11

23:50-09:25

1 stop30h 35m

£561

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Wed 29/10

21:40-22:40

1 stop28h 00m

Sao Paulo Guarulhos Intl

Fri 14/11

07:35-14:35

1 stop28h 00m

£583

LondonSao Paulo

LGW - GRU

LGWGRU

London Gatwick

Tue 18/11

10:00-06:30

1 stop23h 30m

Sao Paulo Guarulhos Intl

Tue 25/11

15:05-09:00

1 stop14h 55m

£592

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Thu 21/8

22:05-15:20

1 stop21h 15m

Sao Paulo Guarulhos Intl

Thu 9/10

07:20-15:35

1 stop28h 15m

£592

LondonSao Paulo

LGW - GRU

LGWGRU

London Gatwick

Fri 21/11

10:00-06:30

1 stop23h 30m

Sao Paulo Guarulhos Intl

Tue 9/12

15:05-16:25

1 stop22h 20m

£600

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Thu 21/8

21:20-05:00

Nonstop11h 40m

Sao Paulo Guarulhos Intl

Thu 9/10

23:45-15:05

Nonstop11h 20m

£645

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Tue 25/11

07:30-18:40

1 stop14h 10m

Rio de Janeiro–Galeão Intl

Tue 9/12

18:00-08:35

Nonstop11h 35m

£651

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Thu 13/11

06:15-18:40

1 stop15h 25m

Rio de Janeiro–Galeão Intl

Tue 9/12

18:00-08:35

Nonstop11h 35m

£653

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 25/11

20:15-09:35

1 stop16h 20m

Rio de Janeiro Santos Dumont

Tue 9/12

20:05-14:05

1 stop15h 00m

£753

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 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 to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £608. If you are unable to visit South America during the month of March, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around £618.

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 £877. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to South America for around £927.

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

Our data shows that the cheapest London 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 £697. Try not to purchase tickets in the evening because they tend to be around £904. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to South America flight route?

Fly from London Heathrow to Bogotá El Dorado for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around £793 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 for as low as £722 on momondo.

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

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

You could potentially save up to 32% on your flight if you consider stops on a London to South America flight.

Cheap London to South America flight deals and tips

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

Best price found

£300

Fastest flight time

10h 55m

Direct flights

Every day

Airports in South America

4 airports
The best one-way flight to South America from London in the past 72 hours is £300. The best return flight deal from London to South America found on momondo in the last 72 hours is £561.
The fastest flight from London to South America takes 10h 55m
Direct flights go from London to South America every day.
There are 4 airports near South America: Sao Paulo Viracopos (VCP), Rio de Janeiro–Galeão Intl (GIG), Bogotá El Dorado (BOG), Sao Paulo Guarulhos Intl (GRU)
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  • When did momondo last update prices for flights from London to South America?

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

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

  • How old do you have to be to fly from London 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 to South America.

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

    The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London to South America

Compare and see reviews for airlines that fly from London to South America with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom £412Free CancellationRating
6.7
1,011 reviews
Search ITA Airways flights
TAP AIR PORTUGALPriceFrom £435Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom £453Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Air EuropaPriceFrom £470Free CancellationRating
7.0
543 reviews
Search Air Europa flights
KLMPriceFrom £531Free CancellationRating
7.8
1,383 reviews
Search KLM flights
AviancaPriceFrom £534Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
IberiaPriceFrom £547Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
British AirwaysPriceFrom £563Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £580Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
Air CanadaPriceFrom £580Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights

Why use momondo?

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

Finding the right flight to South America from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to South America quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to South America from London which offer a flexible booking policy as well as other useful filters and features.

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 simply researching potential flights to South America, momondo offers a useful price alert feature which will track prices for flights to South America from London and alert you 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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