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Cheap flights from South America to the United Kingdom from £307

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from South America to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
13:00 - 15:05
GIG
-
LHR
22h 05m
2 stops
LATAM Airlines Logo
20:15 - 08:00
LHR
-
GIG
14h 45m
1 stop
£736LATAM Airlines
Sun, 18 Oct - Sun, 15 Nov
British Airways Logo
19:15 - 20:00
GIG
-
LGW
20h 45m
1 stop
British Airways Logo
11:30 - 17:35
LGW
-
GIG
34h 05m
1 stop
£736British Airways
Thu, 6 Aug - Fri, 21 Aug
GOL Logo
15:15 - 16:05
GIG
-
LHR
21h 50m
2 stops
GOL Logo
06:30 - 23:10
LHR
-
GIG
19h 40m
2 stops
£737GOL
Sat, 7 Nov - Wed, 2 Dec
TAP AIR PORTUGAL Logo
15:35 - 09:45
GIG
-
LGW
14h 10m
1 stop
TAP AIR PORTUGAL Logo
21:35 - 21:45
LGW
-
GIG
27h 10m
1 stop
£738TAP AIR PORTUGAL
Fri, 23 Oct - Mon, 2 Nov
LATAM Airlines Logo
17:35 - 14:20
GIG
-
LHR
17h 45m
2 stops
LATAM Airlines Logo
17:25 - 09:25
LHR
-
GIG
19h 00m
2 stops
£738LATAM Airlines
Tue, 3 Nov - Tue, 10 Nov
British Airways Logo
16:45 - 08:10
GIG
-
LHR
11h 25mdirect
British Airways Logo
22:00 - 06:50
LHR
-
GIG
11h 50mdirect
£739British Airways
Wed, 21 Oct - Tue, 3 Nov
Multiple Airlines Logo
12:35 - 13:45
GIG
-
LHR
21h 10m
2 stops
Multiple Airlines Logo
06:30 - 21:25
LHR
-
GIG
17h 55m
2 stops
£739Multiple Airlines
Tue, 13 Oct - Tue, 10 Nov
TAP AIR PORTUGAL Logo
20:30 - 11:20
GIG
-
LGW
34h 50m
1 stop
TAP AIR PORTUGAL Logo
21:20 - 19:10
LGW
-
GIG
25h 50m
1 stop
£749TAP AIR PORTUGAL
Mon, 12 Oct - Thu, 22 Oct
Air Europa Logo
15:05 - 16:25
GRU
-
LGW
22h 20m
1 stop
Air Europa Logo
17:25 - 06:30
LGW
-
GRU
16h 05m
1 stop
£765Air Europa
Thu, 29 Oct - Thu, 19 Nov
KLM Logo
21:45 - 17:20
GRU
-
LCY
15h 35m
1 stop
KLM Logo
20:15 - 19:50
LCY
-
GRU
27h 35m
1 stop
£781KLM
Sun, 9 Aug - Wed, 19 Aug

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LATAM Airlines flights from South America to United Kingdom

Our best LATAM Airlines deals on South America to United Kingdom flight tickets
LATAM Airlines
18 Oct
GIG13:00Rio de Janeiro–Galeão Intl
22h 05m
2 stops
LHR15:05London Heathrow
15 Nov
LHR20:15London Heathrow
14h 45m
1 stop
GIG08:00Rio de Janeiro–Galeão Intl
£736
LATAM Airlines
3 Nov
GIG17:35Rio de Janeiro–Galeão Intl
17h 45m
2 stops
LHR14:20London Heathrow
10 Nov
LHR17:25London Heathrow
19h 00m
2 stops
GIG09:25Rio de Janeiro–Galeão Intl
£738
LATAM Airlines
12 Nov
GIG15:00Rio de Janeiro–Galeão Intl
20h 05m
1 stop
LHR14:05London Heathrow
26 Nov
LHR20:15London Heathrow
17h 30m
1 stop
GIG10:45Rio de Janeiro–Galeão Intl
£740

GOL flights from South America to United Kingdom

Our best GOL deals on South America to United Kingdom flight tickets
GOL
7 Nov
GIG15:15Rio de Janeiro–Galeão Intl
21h 50m
2 stops
LHR16:05London Heathrow
2 Dec
LHR06:30London Heathrow
19h 40m
2 stops
GIG23:10Rio de Janeiro–Galeão Intl
£737
GOL
23 Jun
GIG18:55Rio de Janeiro–Galeão Intl
22h 30m
1 stop
LHR21:25London Heathrow
1 Jul
LHR17:35London Heathrow
27h 05m
1 stop
GIG16:40Rio de Janeiro–Galeão Intl
£745
GOL
6 Aug
GIG11:20Rio de Janeiro–Galeão Intl
24h 55m
2 stops
LHR16:15London Heathrow
21 Aug
LHR17:35London Heathrow
30h 40m
2 stops
GIG20:15Rio de Janeiro–Galeão Intl
£746

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 22 June 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

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Sun 18/10

13:00-15:05

2 stops22h 05m

London Heathrow

Sun 15/11

20:15-08:00

1 stop14h 45m

£736

Rio de JaneiroLondon

GIG - LGW

GIGLGW

Rio de Janeiro–Galeão Intl

Thu 6/8

19:15-20:00

1 stop20h 45m

London Gatwick

Fri 21/8

11:30-17:35

1 stop34h 05m

£736

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Sat 7/11

15:15-16:05

2 stops21h 50m

London Heathrow

Wed 2/12

06:30-23:10

2 stops19h 40m

£737

Rio de JaneiroLondon

GIG - LGW

GIGLGW

Rio de Janeiro–Galeão Intl

Fri 23/10

15:35-09:45

1 stop14h 10m

London Gatwick

Mon 2/11

21:35-21:45

1 stop27h 10m

£738

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Tue 3/11

17:35-14:20

2 stops17h 45m

London Heathrow

Tue 10/11

17:25-09:25

2 stops19h 00m

£738
Fastest return journey

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Wed 21/10

16:45-08:10

Nonstop11h 25m

London Heathrow

Tue 3/11

22:00-06:50

Nonstop11h 50m

£739

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Tue 13/10

12:35-13:45

2 stops21h 10m

London Heathrow

Tue 10/11

06:30-21:25

2 stops17h 55m

£739

Rio de JaneiroLondon

GIG - LGW

GIGLGW

Rio de Janeiro–Galeão Intl

Mon 12/10

20:30-11:20

1 stop34h 50m

London Gatwick

Thu 22/10

21:20-19:10

1 stop25h 50m

£749

Sao PauloLondon

GRU - LGW

GRULGW

Sao Paulo Guarulhos Intl

Thu 29/10

15:05-16:25

1 stop22h 20m

London Gatwick

Thu 19/11

17:25-06:30

1 stop16h 05m

£765

Sao PauloLondon

GRU - LCY

GRULCY

Sao Paulo Guarulhos Intl

Sun 9/8

21:45-17:20

1 stop15h 35m

London City

Wed 19/8

20:15-19:50

1 stop27h 35m

£781

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 November. Flight prices, which tend to average around £726, 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 November, then departing from South America during the month February is also very affordable. Most momondo users find prices during this month for around £739.

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 £840. 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 £1,139.

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 from South America to the 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 £869 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 £748 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 10% 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

£517

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 £517. The best return flight deal from South America to United Kingdom found on momondo in the last 72 hours is £808.
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

Frequently asked questions about flying from South America to the United Kingdom

  • 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 £87Free CancellationRating
7.0
3,245 reviews
Search Iberia flights
Air CanadaPriceFrom £429Free CancellationRating
7.1
11,238 reviews
Search Air Canada flights
LufthansaPriceFrom £528Free CancellationRating
6.8
8,086 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom £543Free CancellationRating
7.2
2,291 reviews
Search TAP AIR PORTUGAL flights
GOLPriceFrom £544Free CancellationRating
7.3
1,236 reviews
Search GOL flights
Air FrancePriceFrom £556Free CancellationRating
7.5
1,613 reviews
Search Air France flights
LATAM AirlinesPriceFrom £630Free CancellationRating
7.4
1,940 reviews
Search LATAM Airlines flights
AviancaPriceFrom £644Free CancellationRating
6.5
2,533 reviews
Search Avianca flights
British AirwaysPriceFrom £675Free CancellationRating
6.7
8,064 reviews
Search British Airways flights
KLMPriceFrom £727Free CancellationRating
7.8
1,530 reviews
Search KLM 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
Flights to Londonfrom £30
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Flights to Birminghamfrom £42
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Flights to Glasgowfrom £30
Flights to Bristolfrom £42
Flights to Newcastle upon Tynefrom £35
Flights to Liverpoolfrom £32
Flights to Leedsfrom £63
Flights to Aberdeenfrom £66
Flights to Invernessfrom £51