How long is the flight from London to South America?

A quick flight from London to South America can take about 28h. ITA Airways provides one of the quickest options available for as low as £651. London and South America are separated by a distance of 5874 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from London to South America one-way?

The cheapet airlines for a one-way flight from London to South America are TAP AIR PORTUGAL (£390), United Airlines (£460), and ITA Airways (£488).

In terms of precipitation, rainfall in South America ranges from 20.0 - 240.0 inches per month. January is typically the wettest month, when rainfall can reach 240.0 mm. July is typically the driest time to visit South America when rainfall is around 20.0 mm.

If weather is an important factor for your trip to South America, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 17.0 C).

What are the most popular routes from London to South America?

Most travelers choose London Heathrow - Sao Paulo Guarulhos Intl, London Heathrow - Rio de Janeiro–Galeão Intl or London Heathrow - Rio de Janeiro Santos Dumont when deciding on the best route from London to South America.

What are the cheapest flights from London to South America?

On average you can expect to pay £839 for a flight from London to South America. The cheapest flight overall is £365 while the most popular route, (London Heathrow - Sao Paulo Guarulhos Intl) is currently priced at £603.

What are the most reliable airlines from London to South America?

Before booking your flight to South America from London, check out the most reliable airlines to get you to your destination on time: Etihad Airways (97%), Avianca (97%), Emirates( 97%).

What are the most popular airlines that fly from London to South America?

American Airlines, Air Canada and Air France are the most popular airlines when flying from London to South America.

How far in advance should I book a flight from London to South America?

Users have found that booking a flight from London to South America at least 45 days early can save you up to 23% on average compared to booking a flight this week. If booking 45 days before your flight isn’t an option for you, users have found flights from London to South America for as little as £704 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £793 for flights departing within the next 3 days.

What is the cheapest month to fly from London to South America?

March can be a great time to fly to South America from London with a flight ticket averaging about £733. Cheapflights users have found deals in the month of March for as cheap as £441. The most expensive prices can be found in the month of December.

Can I find deals for flights from London to South America that include hotel bookings?

Yes. In addition to deals on London to South America flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to South America?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to South America.

Can I find deals for business class flights from London to South America?

Yes. Cheapflights offers flight deals from London to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£389+ Flights from London to South America

Cheap flight deals from London to South America

Round-trip from	£649
One-way from	£389
Popular in	December
Cheapest in	March
Average price	£892
Good round-trip deal	£675 or less
Good one-way deal	£452 or less

Avianca
15/9-1/10
2 total stops
40h 00m total
London to South America

Search Deals

18/9
3 total stops
47h 25m total
London to South America

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from London (LON) to South America.

Search Deals

Price to beat on a one-way flight from London (LON) to South America.

Search Deals

Find flight deals from London to South America

Cheapest flights from London to South America
Explore the most affordable flight options available from London to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Mon 15/922:05LHR - GRU

1 stop21h 15mAvianca

Wed 1/1016:50GRU - LHR

1 stop18h 45mAvianca

Deal found 25/8£649

Fri 7/1119:05LCY - GRU

2 stops38h 20mITA Airways

Tue 25/1120:40GRU - LCY

1 stop16h 30mITA Airways

Deal found 26/8£649

Fri 7/1119:05LCY - GRU

2 stops38h 20mITA Airways

Sun 9/1115:45GRU - LCY

1 stop21h 25mITA Airways

Deal found 26/8£650

Tue 16/922:05LHR - GRU

1 stop30h 35mAvianca

Thu 9/1007:20GRU - LHR

1 stop28h 15mAvianca

Deal found 26/8£651

Fri 21/1108:15LHR - VCP

1 stop17h 15mMultiple Airlines

Sat 29/1118:40VCP - LHR

2 stops20h 20mMultiple Airlines

Deal found 25/8£651

Sat 8/1108:30LCY - GRU

2 stops24h 55mITA Airways

Thu 27/1115:45GRU - LCY

2 stops17h 55mITA Airways

Deal found 26/8£651

Tue 23/922:05LHR - GRU

1 stop21h 15mAvianca

Tue 30/907:20GRU - LHR

1 stop28h 15mAvianca

Deal found 26/8£652

Tue 25/1119:20LHR - GRU

1 stop14h 55mMultiple Airlines

Mon 1/1220:59GRU - LHR

1 stop16h 06mMultiple Airlines

Deal found 25/8£652

Tue 25/1106:00LHR - VCP

1 stop18h 45mMultiple Airlines

Fri 28/1119:05VCP - LHR

2 stops20h 10mMultiple Airlines

Deal found 25/8£652

Sun 9/1116:10LGW - GRU

1 stop33h 15mRoyal Air Maroc

Thu 20/1100:25GRU - LGW

1 stop35h 45mRoyal Air Maroc

Deal found 25/8£652

Tue 28/1021:40LHR - GRU

1 stop28h 00mAvianca

Fri 21/1107:35GRU - LHR

1 stop28h 00mAvianca

Deal found 25/8£653

Tue 14/1006:00LHR - VCP

1 stop14h 15mMultiple Airlines

Tue 21/1018:45VCP - LHR

1 stop15h 30mMultiple Airlines

Deal found 25/8£653

Best flights from London to South America
Discover carefully curated flight deals from London to South America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2025.

Thu 22/111:30LCY - GRU

2 stops34h 10mITA Airways

Wed 18/320:40GRU - LCY

1 stop35h 15mITA Airways

Deal found 26/8£650

Mon 3/1121:40LHR - GRU

1 stop28h 00mAvianca

Sat 22/1102:40GRU - LHR

1 stop32h 55mAvianca

Deal found 26/8£651

Sun 30/1121:25LGW - GRU

1 stop28h 05mTAP AIR PORTUGAL

Wed 4/223:15GRU - LGW

1 stop31h 35mTAP AIR PORTUGAL

Deal found 26/8£653

Tue 11/1118:30LHR - VCP

1 stop24h 55mMultiple Airlines

Tue 9/1216:20VCP - LHR

1 stop19h 35mMultiple Airlines

Deal found 26/8£658

Tue 28/1017:25LGW - GRU

1 stop16h 05mAir Europa

Fri 21/1115:05GRU - LGW

1 stop14h 55mAir Europa

Deal found 26/8£674

Thu 13/1106:15LHR - GIG

1 stop15h 25mBritish Airways

Sun 23/1120:05GIG - LHR

1 stop17h 30mBritish Airways

Deal found 26/8£702

Sun 7/909:30LHR - GIG

1 stop23h 25mLufthansa

Wed 24/916:15GIG - LHR

1 stop21h 25mLufthansa

Deal found 25/8£707

Tue 18/1120:15LHR - SDU

1 stop17h 15mLATAM Airlines

Thu 4/1220:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 26/8£728

Fri 19/909:40LHR - GRU

2 stops24h 00mDelta

Wed 8/1020:30GRU - LHR

2 stops30h 15mDelta

Deal found 26/8£733

Sat 25/1016:40LHR - EZE

2 stops41h 40mUnited Airlines

Tue 28/1022:55EZE - LHR

2 stops28h 45mUnited Airlines

Deal found 26/8£784

Mon 15/922:05LHR - GRU

1 stop21h 15mAvianca

Wed 1/1007:20GRU - LHR

1 stop28h 15mAvianca

Deal found 26/8£651

Tue 11/1118:30LHR - VCP

1 stop24h 55mMultiple Airlines

Mon 8/1220:45VCP - LHR

1 stop17h 30mMultiple Airlines

Deal found 26/8£658

Direct flights from London to South America
Explore direct flight options from London to South America based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2025.

Thu 13/1120:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Sat 22/1123:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 26/8£692

Sat 17/120:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Wed 18/223:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 26/8£693

Sun 8/220:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Thu 5/323:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 26/8£698

Tue 9/921:20LHR - GRU

Nonstop11h 40mLATAM Airlines

Thu 30/1023:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 25/8£700

Tue 11/1120:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Tue 18/1123:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 26/8£702

Thu 27/1120:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Thu 26/323:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 25/8£704

Mon 16/221:15LHR - GRU

Nonstop11h 45mBritish Airways

Thu 19/316:25GRU - LHR

Nonstop11h 20mBritish Airways

Deal found 25/8£707

Tue 10/220:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Wed 4/323:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 26/8£721

Fri 14/1120:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Fri 28/1123:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 25/8£724

Thu 12/220:15LHR - GRU

Nonstop11h 45mLATAM Airlines

Wed 4/323:40GRU - LHR

Nonstop11h 25mLATAM Airlines

Deal found 26/8£727

Mon 23/222:00LHR - GIG

Nonstop11h 55mBritish Airways

Sun 21/616:35GIG - LHR

Nonstop11h 20mBritish Airways

Deal found 25/8£871

Thu 22/122:00LHR - GIG

Nonstop11h 55mBritish Airways

Wed 18/318:00GIG - LHR

Nonstop11h 35mBritish Airways

Deal found 25/8£897

Last-minute flights from London to South America
Discover last-minute flight deals from London to South America. Data last updated 27 August 2025 and is based on user searches.

Tue 26/822:05LHR - GRU

1 stop21h 15mAvianca

Tue 23/907:20GRU - LHR

1 stop28h 15mAvianca

Deal found 25/8£656

Fri 29/822:05LHR - GRU

1 stop32h 05mAvianca

Mon 29/904:10GRU - LHR

1 stop31h 25mAvianca

Deal found 25/8£661

Sat 30/822:05LHR - GRU

1 stop21h 15mAvianca

Tue 30/907:20GRU - LHR

1 stop28h 15mAvianca

Deal found 25/8£653

Tue 2/922:05LHR - GRU

1 stop30h 35mAvianca

Wed 29/1002:40GRU - LHR

1 stop32h 55mAvianca

Deal found 26/8£660

Sun 14/914:00LGW - GRU

2 stops34h 45mMultiple Airlines

Sun 28/904:10GRU - LGW

2 stops26h 00mMultiple Airlines

Deal found 26/8£666

Mon 15/922:05LHR - GRU

1 stop21h 15mAvianca

Wed 1/1016:50GRU - LHR

1 stop18h 45mAvianca

Deal found 25/8£649

Tue 16/922:05LHR - GRU

1 stop30h 35mAvianca

Thu 9/1007:20GRU - LHR

1 stop28h 15mAvianca

Deal found 26/8£651

Tue 16/906:00LHR - VCP

1 stop16h 55mMultiple Airlines

Sat 11/1018:45VCP - LHR

1 stop15h 30mMultiple Airlines

Deal found 25/8£671

Wed 17/922:05LHR - GRU

1 stop32h 05mAvianca

Wed 8/1016:50GRU - LHR

1 stop18h 45mAvianca

Deal found 26/8£665

Fri 19/922:05LHR - GRU

1 stop21h 15mAvianca

Sun 5/1007:20GRU - LHR

1 stop28h 15mAvianca

Deal found 25/8£655

Tue 23/922:05LHR - GRU

1 stop21h 15mAvianca

Tue 30/907:20GRU - LHR

1 stop28h 15mAvianca

Deal found 26/8£652

Thu 25/922:05LHR - GRU

1 stop32h 05mAvianca

Tue 4/1102:40GRU - LHR

1 stop32h 55mAvianca

Deal found 25/8£655

One-way flights from London to South America
Search for one-way flight options from London to South America. Find affordable one-way fares based on user searches. Data last updated 27 August 2025.

Thu 18/917:50LHR - VCP

3 stops47h 25mMultiple Airlines

Deal found 26/8£389

Wed 24/906:00LHR - VCP

1 stop17h 25mMultiple Airlines

Deal found 26/8£390

Sun 7/910:35LGW - GRU

1 stop36h 30mTAP AIR PORTUGAL

Deal found 25/8£390

Tue 16/914:40LGW - GRU

2 stops19h 05mMultiple Airlines

Deal found 25/8£391

Sun 1/210:10LGW - GRU

2 stops39h 15mMultiple Airlines

Deal found 26/8£393

Wed 1/1014:00LGW - GRU

2 stops43h 35mMultiple Airlines

Deal found 25/8£393

Fri 5/915:05LHR - VCP

1 stop33h 00mMultiple Airlines

Deal found 26/8£394

Mon 1/920:20LGW - GRU

3 stops26h 50mMultiple Airlines

Deal found 26/8£395

Mon 1/920:50LHR - GRU

3 stops52h 10mMultiple Airlines

Deal found 25/8£396

Mon 20/1018:45LHR - VCP

1 stop25h 30mMultiple Airlines

Deal found 26/8£397

Sun 31/819:40LGW - GRU

2 stops33h 00mMultiple Airlines

Deal found 26/8£397

Wed 24/906:55LGW - GRU

2 stops20h 00mMultiple Airlines

Deal found 25/8£398

Fly from

Fly to

Route

Depart

Return

Price

LondonSao Paulo

LCY - GRU

LCYGRU

London City

Thu 22/1

11:30-18:40

2 stops34h 10m

Sao Paulo Guarulhos Intl

Wed 18/3

20:40-10:55

1 stop35h 15m

£650

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Mon 3/11

21:40-22:40

1 stop28h 00m

Sao Paulo Guarulhos Intl

Sat 22/11

02:40-14:35

1 stop32h 55m

£651

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Mon 15/9

22:05-15:20

1 stop21h 15m

Sao Paulo Guarulhos Intl

Wed 1/10

07:20-15:35

1 stop28h 15m

£651

LondonSao Paulo

LGW - GRU

LGWGRU

London Gatwick

Sun 30/11

21:25-22:30

1 stop28h 05m

Sao Paulo Guarulhos Intl

Wed 4/2

23:15-09:50

1 stop31h 35m

£653

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Tue 28/10

21:40-01:35

1 stop30h 55m

Sao Paulo Guarulhos Intl

Fri 21/11

07:35-14:35

1 stop28h 00m

£653

LondonSao Paulo

LHR - GRU

LHRGRU

London Heathrow

Fri 19/9

22:05-15:20

1 stop21h 15m

Sao Paulo Guarulhos Intl

Sun 5/10

07:20-15:35

1 stop28h 15m

£655

LondonSao Paulo

LHR - VCP

LHRVCP

London Heathrow

Tue 11/11

18:30-16:25

1 stop24h 55m

Sao Paulo Viracopos

Tue 9/12

16:20-14:55

1 stop19h 35m

£658

LondonSao Paulo

LHR - VCP

LHRVCP

London Heathrow

Tue 11/11

18:30-16:25

1 stop24h 55m

Sao Paulo Viracopos

Mon 8/12

20:45-17:15

1 stop17h 30m

£658

LondonSao Paulo

LHR - VCP

LHRVCP

London Heathrow

Sat 8/11

06:00-22:25

1 stop19h 25m

Sao Paulo Viracopos

Mon 8/12

20:45-17:15

1 stop17h 30m

£661

LondonSao Paulo

LHR - VCP

LHRVCP

London Heathrow

Mon 10/11

06:00-00:40

1 stop21h 40m

Sao Paulo Viracopos

Mon 8/12

20:45-17:15

1 stop17h 30m

£661

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 60 results

...

Best time to book a flight from London to South America

Have a flexible travel schedule? Discover the best time to fly to South America from London with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to South America

What is the cheapest month to book a flight from London to South America?

Currently, February is the cheapest month in which you can book a flight from London to South America (average of £817). Flying from London to South America in July is currently the most expensive (average of £1,222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to SA?

When flying from London to South America, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to South America

The most flights from LON to 0SA are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing South America

Read through reviews of airlines operating flights from London to South America, such as LATAM Airlines, TAP AIR PORTUGAL, andAir Europa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

LATAM Airlines

7.5

Good

1,841 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

LATAM Airlines

7.5

Good

1,841 reviews

LATAM Airlines

7.5

Good

1,841 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

TAP AIR PORTUGAL

7.1

Good

1,963 reviews

LATAM Airlines

7.5

Good

1,841 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Air Europa

7.0

Good

548 reviews

LATAM Airlines

7.5

Good

1,841 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Avianca

6.7

Okay

2,419 reviews

LATAM Airlines

7.5

Good

1,841 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

British Airways

6.7

Okay

7,310 reviews

LATAM Airlines

7.5

Good

1,841 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

How long is the flight from London to South America?
A quick flight from London to South America can take about 28h. ITA Airways provides one of the quickest options available for as low as £651. London and South America are separated by a distance of 5874 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from London to South America one-way?
The cheapet airlines for a one-way flight from London to South America are TAP AIR PORTUGAL (£390), United Airlines (£460), and ITA Airways (£488).
What are the most popular routes from London to South America?
Most travelers choose London Heathrow - Sao Paulo Guarulhos Intl, London Heathrow - Rio de Janeiro–Galeão Intl or London Heathrow - Rio de Janeiro Santos Dumont when deciding on the best route from London to South America.
What are the most reliable airlines from London to South America?
Before booking your flight to South America from London, check out the most reliable airlines to get you to your destination on time: Etihad Airways (97%), Avianca (97%), Emirates( 97%).
What are the cheapest flights from London to South America?
On average you can expect to pay £839 for a flight from London to South America. The cheapest flight overall is £365 while the most popular route, (London Heathrow - Sao Paulo Guarulhos Intl) is currently priced at £603.
Can I find deals for flights from London to South America that include hotel bookings?
Yes. In addition to deals on London to South America flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to South America?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to South America.
Can I find deals for business class flights from London to South America?
Yes. Cheapflights offers flight deals from London to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to South America?
Currently, February is the cheapest month in which you can book a flight from London to South America (average of £817). Flying from London to South America in July is currently the most expensive (average of £1,222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from London to South America

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£345	Average£691	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Avianca	Cheapest£411	Average£769	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
ITA Airways	Cheapest£418	Average£890	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
TAP AIR PORTUGAL	Cheapest£427	Average£772	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£445	Average£833	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Europa	Cheapest£461	Average£792	FlexibilityNo cancel fee	On-time83%	Search Air Europa flights
KLM	Cheapest£522	Average£773	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£537	Average£865	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£553	Average£974	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£568	Average£714	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to South America?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to South America. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to South America?

Millions of users choose and trust Cheapflights to book the best flight deals from London to South America for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to South America with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to South America, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to South America become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from London to South America from £389

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to South America

Keep the following information in mind while searching for London to South America flight deals. Data was last updated 27 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from London to South America

Cheapest flights from London to South AmericaExplore the most affordable flight options available from London to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Explore the most affordable flight options available from London to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to South America that are best for you.

Best time to book a flight from London to South America

Have a flexible travel schedule? Discover the best time to fly to South America from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to South America

What is the cheapest month to book a flight from London to South America?

What is the cheapest time of day to fly from LON to SA?

Find hourly flight availability from London to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 August 2025.

Weekly flight availability from London to South America

Explore weekly flight availability from London to South America. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 27 August 2025.

Reviews of airlines servicing South America

Read through reviews of airlines operating flights from London to South America, such as LATAM Airlines, TAP AIR PORTUGAL, andAir Europa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to South America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London to South America?

What are the cheapest airlines to fly from London to South America one-way?

What are the most popular routes from London to South America?

What are the most reliable airlines from London to South America?

What are the cheapest flights from London to South America?

Can I find deals for flights from London to South America that include hotel bookings?

How can I find direct flights from London to South America?

Can I find deals for business class flights from London to South America?

What is the cheapest month to book a flight from London to South America?

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Alternative routes for London to South America

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to South America

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Cheapest flights from London to South America
Explore the most affordable flight options available from London to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.