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Cheap flights from South America to the United Kingdom from £302

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 the United Kingdom departing on 19/9. 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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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Avianca Logo
01:20 - 15:35
GRU
-
LHR
34h 15m
1 stop
Avianca Logo
22:05 - 16:05
LHR
-
GRU
22h 00m
1 stop
£581Avianca
Thu, 4 Jun - Wed, 10 Jun
Avianca Logo
07:35 - 15:35
GRU
-
LHR
28h 00m
1 stop
Avianca Logo
22:05 - 01:10
LHR
-
GRU
31h 05m
1 stop
£582Avianca
Fri, 5 Jun - Wed, 10 Jun
TAP AIR PORTUGAL Logo
20:35 - 11:20
GRU
-
LGW
34h 45m
1 stop
TAP AIR PORTUGAL Logo
10:35 - 23:15
LGW
-
GRU
16h 40m
1 stop
£615TAP AIR PORTUGAL
Tue, 28 Apr - Thu, 7 May
TAP AIR PORTUGAL Logo
20:35 - 20:25
GRU
-
LGW
19h 50m
1 stop
TAP AIR PORTUGAL Logo
21:15 - 19:10
LGW
-
GRU
25h 55m
1 stop
£631TAP AIR PORTUGAL
Tue, 21 Apr - Wed, 6 May
KLM Logo
21:45 - 16:40
GRU
-
LCY
14h 55m
1 stop
KLM Logo
10:00 - 19:50
LCY
-
GRU
13h 50m
1 stop
£657KLM
Thu, 18 Jun - Thu, 27 Aug
KLM Logo
19:35 - 16:40
GRU
-
LCY
17h 05m
2 stops
KLM Logo
09:20 - 19:50
LCY
-
GRU
14h 30m
1 stop
£667KLM
Thu, 18 Jun - Thu, 27 Aug
Iberia Logo
22:20 - 19:45
SCL
-
LHR
16h 25m
1 stop
Iberia Logo
07:50 - 20:40
LHR
-
SCL
17h 50m
1 stop
£719Iberia
Wed, 27 May - Mon, 8 Jun
Iberia Logo
22:20 - 19:10
SCL
-
LHR
15h 50m
1 stop
Iberia Logo
18:45 - 07:25
LHR
-
SCL
17h 40m
1 stop
£735Iberia
Tue, 28 Jul - Thu, 3 Sep
GOL Logo
11:50 - 18:35
CGH
-
LHR
26h 45m
2 stops
GOL Logo
06:15 - 12:30
LHR
-
CGH
34h 15m
2 stops
£768GOL
Tue, 2 Jun - Tue, 9 Jun
GOL Logo
11:50 - 18:35
CGH
-
LHR
26h 45m
2 stops
GOL Logo
08:55 - 12:30
LHR
-
CGH
31h 35m
2 stops
£783GOL
Tue, 2 Jun - Tue, 9 Jun

GOL flights from South America to United Kingdom

Our best GOL deals on South America to United Kingdom flight tickets
GOL
7 Jun
GIG21:55Rio de Janeiro–Galeão Intl
14h 20m
1 stop
LHR16:15London Heathrow
14 Jun
LHR08:40London Heathrow
15h 05m
1 stop
GIG19:45Rio de Janeiro–Galeão Intl
£717
GOL
6 May
GIG21:55Rio de Janeiro–Galeão Intl
14h 20m
1 stop
LHR16:15London Heathrow
7 Dec
LHR06:20London Heathrow
15h 05m
1 stop
GIG18:25Rio de Janeiro–Galeão Intl
£744
GOL
29 Mar
GRU08:40Sao Paulo Guarulhos Intl
32h 45m
2 stops
LHR21:25London Heathrow
7 Apr
LHR08:40London Heathrow
15h 10m
1 stop
GRU19:50Sao Paulo Guarulhos Intl
£858

Air Canada flights from South America to United Kingdom

Our best Air Canada deals on South America to United Kingdom flight tickets
Air Canada
21 May
EZE16:35Buenos Aires Ministro Pistarini
37h 00m
2 stops
LHR09:35London Heathrow
17 Jun
LHR17:40London Heathrow
24h 50m
2 stops
EZE14:30Buenos Aires Ministro Pistarini
£941
Air Canada
24 Mar
SCL19:55Santiago Arturo Merino Benitez
31h 35m
1 stop
LHR06:30London Heathrow
15 Apr
LHR12:05London Heathrow
31h 10m
2 stops
SCL14:15Santiago Arturo Merino Benitez
£1,025

momondo Fare Finder

 
Customise your flight search to find flights from South America to United Kingdom 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 23 March 2026.
Use the filters below to find and compare flights from South America to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Thu 4/6

01:20-15:35

1 stop34h 15m

London Heathrow

Wed 10/6

22:05-16:05

1 stop22h 00m

£581

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Fri 5/6

07:35-15:35

1 stop28h 00m

London Heathrow

Wed 10/6

22:05-01:10

1 stop31h 05m

£582

Sao PauloLondon

GRU - LGW

GRULGW

Sao Paulo Guarulhos Intl

Tue 28/4

20:35-11:20

1 stop34h 45m

London Gatwick

Thu 7/5

10:35-23:15

1 stop16h 40m

£615

Sao PauloLondon

GRU - LGW

GRULGW

Sao Paulo Guarulhos Intl

Tue 21/4

20:35-20:25

1 stop19h 50m

London Gatwick

Wed 6/5

21:15-19:10

1 stop25h 55m

£631
Fastest return journey

Sao PauloLondon

GRU - LCY

GRULCY

Sao Paulo Guarulhos Intl

Thu 18/6

21:45-16:40

1 stop14h 55m

London City

Thu 27/8

10:00-19:50

1 stop13h 50m

£657

Sao PauloLondon

GRU - LCY

GRULCY

Sao Paulo Guarulhos Intl

Thu 18/6

19:35-16:40

2 stops17h 05m

London City

Thu 27/8

09:20-19:50

1 stop14h 30m

£667

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Wed 27/5

22:20-19:45

1 stop16h 25m

London Heathrow

Mon 8/6

07:50-20:40

1 stop17h 50m

£719

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 28/7

22:20-19:10

1 stop15h 50m

London Heathrow

Thu 3/9

18:45-07:25

1 stop17h 40m

£735

Sao PauloLondon

CGH - LHR

CGHLHR

Sao Paulo Congonhas

Tue 2/6

11:50-18:35

2 stops26h 45m

London Heathrow

Tue 9/6

06:15-12:30

2 stops34h 15m

£768

Sao PauloLondon

CGH - LHR

CGHLHR

Sao Paulo Congonhas

Tue 2/6

11:50-18:35

2 stops26h 45m

London Heathrow

Tue 9/6

08:55-12:30

2 stops31h 35m

£783

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from South America to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from South America is in February. Flight prices, which tend to average around £733, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from South America during the month November is also very affordable. Most momondo users find prices during this month for around £742.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from South America to United Kingdom is on a Thursday. Travellers who choose to depart for United Kingdom on a Thursday will often find tickets for as low as £843. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from South America to United Kingdom for around £1,017.

What is the cheapest South America to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from South America when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £836 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from South America for as low as £745 on momondo.

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

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

You could potentially save up to 14% on your flight if you consider stops on a South America to United Kingdom flight.

Cheap South America to United Kingdom flight deals and tips

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

Best price found

£384

Fastest flight time

0h 00m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from South America in the past 72 hours is £384. The best return flight deal from South America to United Kingdom found on momondo in the last 72 hours is £680.
The fastest flight from South America to United Kingdom takes 0h 00m
Direct flights go from South America to United Kingdom every day.
There are 1,286 airports in United Kingdom. From South America there are direct flights to London Heathrow (LHR).
Search flight deals

  • When did momondo last update prices for flights from South America to United Kingdom?

    Prices for flights from South America to United Kingdom were last updated today.

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

  • How old do you have to be to fly from South America to United Kingdom?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South America to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom 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 United Kingdom. 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 South America to United Kingdom?

Best airlines flying from South America to United Kingdom

Compare and see reviews for airlines that fly from South America to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom £86Free CancellationRating
7.0
3,148 reviews
Search Iberia flights
Air CanadaPriceFrom £426Free CancellationRating
7.1
10,835 reviews
Search Air Canada flights
Air FrancePriceFrom £521Free CancellationRating
7.4
1,550 reviews
Search Air France flights
LufthansaPriceFrom £524Free CancellationRating
6.8
7,863 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom £539Free CancellationRating
7.1
2,175 reviews
Search TAP AIR PORTUGAL flights
GOLPriceFrom £540Free CancellationRating
7.3
1,195 reviews
Search GOL flights
British AirwaysPriceFrom £604Free CancellationRating
6.7
7,812 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £623Free CancellationRating
7.4
1,912 reviews
Search LATAM Airlines flights
AviancaPriceFrom £639Free CancellationRating
6.5
2,505 reviews
Search Avianca flights
SWISSPriceFrom £655Free CancellationRating
7.5
1,903 reviews
Search SWISS flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from South America.

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

All flight searches from South America to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential South America to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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Flights to Leedsfrom £50
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