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Cheap flights from South America to the United Kingdom from £310

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 27/2. 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

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TAP AIR PORTUGAL Logo
22:05 - 17:45
VCP
-
LHR
15h 40m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 19:00
LHR
-
VCP
17h 00m
1 stop
£581TAP AIR PORTUGAL
Thu, 21 May - Mon, 25 May
Avianca Logo
02:40 - 14:35
GRU
-
LHR
32h 55m
1 stop
Avianca Logo
21:40 - 16:15
LHR
-
GRU
21h 35m
1 stop
£581Avianca
Mon, 2 Feb - Tue, 10 Feb
TAP AIR PORTUGAL Logo
23:50 - 20:40
GRU
-
LGW
17h 50m
1 stop
TAP AIR PORTUGAL Logo
16:35 - 19:55
LGW
-
GRU
30h 20m
1 stop
£582TAP AIR PORTUGAL
Thu, 12 Mar - Wed, 18 Mar
Avianca Logo
07:35 - 14:35
GRU
-
LHR
28h 00m
1 stop
Avianca Logo
22:05 - 00:40
LHR
-
GRU
30h 35m
1 stop
£584Avianca
Tue, 24 Mar - Mon, 30 Mar
Multiple Airlines Logo
21:20 - 14:10
GRU
-
STN
13h 50m
1 stop
Multiple Airlines Logo
09:35 - 05:25
STN
-
GRU
22h 50m
1 stop
£584Multiple Airlines
Wed, 11 Mar - Mon, 23 Mar
GOL Logo
20:45 - 18:20
GIG
-
LHR
18h 35m
1 stop
GOL Logo
06:20 - 18:25
LHR
-
GIG
15h 05m
1 stop
£592GOL
Mon, 9 Feb - Mon, 9 Mar
Air France Logo
23:20 - 18:20
GIG
-
LHR
16h 00m
1 stop
Air France Logo
08:55 - 19:40
LHR
-
GIG
14h 45m
1 stop
£609Air France
Tue, 10 Feb - Wed, 29 Apr
LATAM Airlines Logo
06:40 - 14:05
GIG
-
LHR
28h 25m
2 stops
LATAM Airlines Logo
19:40 - 18:40
LHR
-
GIG
26h 00m
1 stop
£616LATAM Airlines
Wed, 11 Mar - Mon, 16 Mar
LATAM Airlines Logo
18:35 - 14:05
SCL
-
LHR
16h 30m
1 stop
LATAM Airlines Logo
06:15 - 20:30
LHR
-
SCL
17h 15m
1 stop
£616LATAM Airlines
Mon, 16 Mar - Sun, 22 Mar
GOL Logo
10:00 - 16:35
CGH
-
LHR
27h 35m
2 stops
GOL Logo
06:15 - 19:50
LHR
-
CGH
41h 35m
2 stops
£680GOL
Sun, 22 Mar - Tue, 14 Apr

TAP AIR PORTUGAL flights from South America to United Kingdom

Our best TAP AIR PORTUGAL deals on South America to United Kingdom flight tickets
TAP AIR PORTUGAL
21 May
VCP22:05Sao Paulo Viracopos
15h 40m
1 stop
LHR17:45London Heathrow
25 May
LHR06:00London Heathrow
17h 00m
1 stop
VCP19:00Sao Paulo Viracopos
£581
TAP AIR PORTUGAL
12 Mar
GRU23:50Sao Paulo Guarulhos Intl
17h 50m
1 stop
LGW20:40London Gatwick
18 Mar
LGW16:35London Gatwick
30h 20m
1 stop
GRU19:55Sao Paulo Guarulhos Intl
£582
TAP AIR PORTUGAL
12 Mar
GRU23:50Sao Paulo Guarulhos Intl
33h 50m
2 stops
LHR12:40London Heathrow
17 Mar
LHR18:30London Heathrow
15h 20m
1 stop
GRU06:50Sao Paulo Guarulhos Intl
£585

Avianca flights from South America to United Kingdom

Our best Avianca deals on South America to United Kingdom flight tickets
Avianca
2 Feb
GRU02:40Sao Paulo Guarulhos Intl
32h 55m
1 stop
LHR14:35London Heathrow
10 Feb
LHR21:40London Heathrow
21h 35m
1 stop
GRU16:15Sao Paulo Guarulhos Intl
£581
Avianca
2 Feb
GRU17:25Sao Paulo Guarulhos Intl
18h 10m
1 stop
LHR14:35London Heathrow
2 Mar
LHR21:40London Heathrow
21h 35m
1 stop
GRU16:15Sao Paulo Guarulhos Intl
£584
Avianca
10 Feb
GRU02:40Sao Paulo Guarulhos Intl
32h 55m
1 stop
LHR14:35London Heathrow
27 Apr
LHR22:05London Heathrow
30h 35m
1 stop
GRU00:40Sao Paulo Guarulhos Intl
£584

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 January 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

Sao PauloLondon

VCP - LHR

VCPLHR

Sao Paulo Viracopos

Thu 21/5

22:05-17:45

1 stop15h 40m

London Heathrow

Mon 25/5

06:00-19:00

1 stop17h 00m

£581

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Mon 2/2

02:40-14:35

1 stop32h 55m

London Heathrow

Tue 10/2

21:40-16:15

1 stop21h 35m

£581

Sao PauloLondon

GRU - LGW

GRULGW

Sao Paulo Guarulhos Intl

Thu 12/3

23:50-20:40

1 stop17h 50m

London Gatwick

Wed 18/3

16:35-19:55

1 stop30h 20m

£582

Sao PauloLondon

GRU - LHR

GRULHR

Sao Paulo Guarulhos Intl

Tue 24/3

07:35-14:35

1 stop28h 00m

London Heathrow

Mon 30/3

22:05-00:40

1 stop30h 35m

£584

Sao PauloLondon

GRU - STN

GRUSTN

Sao Paulo Guarulhos Intl

Wed 11/3

21:20-14:10

1 stop13h 50m

London Stansted

Mon 23/3

09:35-05:25

1 stop22h 50m

£584

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Mon 9/2

20:45-18:20

1 stop18h 35m

London Heathrow

Mon 9/3

06:20-18:25

1 stop15h 05m

£592

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Tue 10/2

23:20-18:20

1 stop16h 00m

London Heathrow

Wed 29/4

08:55-19:40

1 stop14h 45m

£609

Rio de JaneiroLondon

GIG - LHR

GIGLHR

Rio de Janeiro–Galeão Intl

Wed 11/3

06:40-14:05

2 stops28h 25m

London Heathrow

Mon 16/3

19:40-18:40

1 stop26h 00m

£616

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 16/3

18:35-14:05

1 stop16h 30m

London Heathrow

Sun 22/3

06:15-20:30

1 stop17h 15m

£616

Sao PauloLondon

CGH - LHR

CGHLHR

Sao Paulo Congonhas

Sun 22/3

10:00-16:35

2 stops27h 35m

London Heathrow

Tue 14/4

06:15-19:50

2 stops41h 35m

£680

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 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 £673, 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 March is also very affordable. Most momondo users find prices during this month for around £718.

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 Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £872. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from South America to United Kingdom for around £1,023.

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 £817 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 £733 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 26% 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

£445

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 £445. The best return flight deal from South America to United Kingdom found on momondo in the last 72 hours is £661.
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
3,097 reviews
Search Iberia flights
Air CanadaPriceFrom £423Free CancellationRating
7.1
10,648 reviews
Search Air Canada flights
Air FrancePriceFrom £517Free CancellationRating
7.4
1,523 reviews
Search Air France flights
LufthansaPriceFrom £526Free CancellationRating
6.8
7,740 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom £535Free CancellationRating
7.1
2,124 reviews
Search TAP AIR PORTUGAL flights
GOLPriceFrom £537Free CancellationRating
7.3
1,152 reviews
Search GOL flights
KLMPriceFrom £565Free CancellationRating
7.7
1,442 reviews
Search KLM flights
British AirwaysPriceFrom £600Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £612Free CancellationRating
7.5
1,913 reviews
Search LATAM Airlines flights
AviancaPriceFrom £615Free CancellationRating
6.6
2,496 reviews
Search Avianca 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 £28
Flights to Manchesterfrom £33
Flights to Birminghamfrom £34
Flights to Edinburghfrom £30
Flights to Belfastfrom £30
Flights to Glasgowfrom £31
Flights to Bristolfrom £31
Flights to Newcastle upon Tynefrom £31
Flights to Liverpoolfrom £31
Flights to Aberdeenfrom £36
Flights to Leedsfrom £59
Flights to Invernessfrom £36