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Flights to South America

£350 Cheap flights to South America

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to South America departing on 8/4. 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 the United Kingdom to South America

Recent return flight deals from the United Kingdom to South America

Enter your travel dates to find the best prices.
Air Canada Logo
09:00 - 06:10
LHR
-
LIM
26h 10m2 stops
Air Canada Logo
08:05 - 11:20
LIM
-
LHR
22h 15m2 stops
£593Air Canada
Fri, 23 Jan - Sat, 7 Feb
Air Canada Logo
13:00 - 06:10
LHR
-
LIM
22h 10m1 stop
Air Canada Logo
08:05 - 11:20
LIM
-
LHR
22h 15m1 stop
£594Air Canada
Fri, 23 Jan - Sun, 8 Feb
Avianca Logo
21:40 - 16:30
LHR
-
LIM
23h 50m1 stop
Avianca Logo
11:45 - 14:35
LIM
-
LHR
21h 50m1 stop
£597Avianca
Mon, 9 Feb - Mon, 2 Mar
Avianca Logo
21:40 - 00:50
LHR
-
LIM
32h 10m1 stop
Avianca Logo
02:55 - 14:35
LIM
-
LHR
30h 40m1 stop
£598Avianca
Mon, 2 Mar - Thu, 19 Mar
British Airways Logo
21:45 - 05:25
LHR
-
GIG
11h 40mdirect
British Airways Logo
16:45 - 08:10
GIG
-
LHR
11h 25mdirect
£654British Airways
Tue, 9 Jun - Wed, 17 Jun
British Airways Logo
21:45 - 05:25
LHR
-
GIG
11h 40mdirect
British Airways Logo
16:45 - 08:10
GIG
-
LHR
11h 25mdirect
£656British Airways
Mon, 1 Jun - Wed, 10 Jun
TAP AIR PORTUGAL Logo
21:20 - 19:10
LGW
-
GIG
25h 50m1 stop
TAP AIR PORTUGAL Logo
20:20 - 09:45
GIG
-
LGW
33h 25m1 stop
£658TAP AIR PORTUGAL
Thu, 4 Jun - Thu, 11 Jun
TAP AIR PORTUGAL Logo
11:00 - 22:30
LGW
-
GRU
14h 30m1 stop
TAP AIR PORTUGAL Logo
16:20 - 09:50
GRU
-
LGW
14h 30m1 stop
£664TAP AIR PORTUGAL
Mon, 2 Feb - Wed, 18 Feb
LATAM Airlines Logo
20:15 - 09:25
LHR
-
SDU
16h 10m1 stop
LATAM Airlines Logo
20:05 - 14:05
SDU
-
LHR
15h 00m1 stop
£721LATAM Airlines
Sun, 8 Mar - Thu, 19 Mar
LATAM Airlines Logo
21:20 - 08:35
LHR
-
SDU
15h 15m1 stop
LATAM Airlines Logo
18:45 - 15:05
SDU
-
LHR
16h 20m1 stop
£739LATAM Airlines
Thu, 4 Jun - Thu, 11 Jun

momondo Fare Finder

 
Locate flights to South America that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 23 December 2025.
Use the filters below to find and compare flights to South America that are best for you.

Fly from

Route

Depart

Return

Price

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Fri 23/1

09:00-06:10

2 stops26h 10m

Lima J Chavez Intl

Sat 7/2

08:05-11:20

2 stops22h 15m

£593

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Fri 23/1

13:00-06:10

1 stop22h 10m

Lima J Chavez Intl

Sun 8/2

08:05-11:20

1 stop22h 15m

£594

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Mon 9/2

21:40-16:30

1 stop23h 50m

Lima J Chavez Intl

Mon 2/3

11:45-14:35

1 stop21h 50m

£597

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Mon 2/3

21:40-00:50

1 stop32h 10m

Lima J Chavez Intl

Thu 19/3

02:55-14:35

1 stop30h 40m

£598

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Tue 9/6

21:45-05:25

Nonstop11h 40m

Rio de Janeiro–Galeão Intl

Wed 17/6

16:45-08:10

Nonstop11h 25m

£654

LondonRio de Janeiro

LHR - GIG

LHRGIG

London Heathrow

Mon 1/6

21:45-05:25

Nonstop11h 40m

Rio de Janeiro–Galeão Intl

Wed 10/6

16:45-08:10

Nonstop11h 25m

£656

LondonRio de Janeiro

LGW - GIG

LGWGIG

London Gatwick

Thu 4/6

21:20-19:10

1 stop25h 50m

Rio de Janeiro–Galeão Intl

Thu 11/6

20:20-09:45

1 stop33h 25m

£658

LondonSao Paulo

LGW - GRU

LGWGRU

London Gatwick

Mon 2/2

11:00-22:30

1 stop14h 30m

Sao Paulo Guarulhos Intl

Wed 18/2

16:20-09:50

1 stop14h 30m

£664

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 8/3

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Thu 19/3

20:05-14:05

1 stop15h 00m

£721

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 4/6

21:20-08:35

1 stop15h 15m

Rio de Janeiro Santos Dumont

Thu 11/6

18:45-15:05

1 stop16h 20m

£739

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Flight prices to countries in South America

Interested in flights to South America? Find the countries in South America that you can fly to for the biggest savings

Price

£805 - £1,474

CHEAPEST COUNTRYPeru27% cheaperUsers typically spent £291 less on flights to Peru
MOST EXPENSIVE COUNTRYBolivia34% more expensiveUsers typically spent £377 more on trips to Bolivia
MOST POPULAR COUNTRY TO FLY TOBrazil565% more popularAs a popular travel destination, more of our users plan to visit Brazil than any other country in South America

Where are the most popular flight destinations in South America?

The most popular flight destination in South America, according to our users, is Brazil, followed by Colombia, Argentina, Peru and Chile.

Cheapest flights to cities in South America

Click on the cities below to find out when it's cheapest to fly to South America from United Kingdom
Bogotá
South America

Cheapest flight to South America from Bogotá

Medellín

When booking a flight to South America, the best-priced flight will typically be to Medellín for £26, which is 92% less than the continental average.

Most expensive flight to South America from Bogotá

Fortaleza

Flights to South America are typically 64% more expensive when flying to Fortaleza, where the average price is £303

Cheap South America flight deals and tips

Summary info about South America flight prices, duration and airlines

Best One-Way Price

£350

Best Round-Trip Price

£593

Fastest flight time

14h 10m

Popular in

December
The best one-way flight price to South America from United Kingdom in the last 72 hours is £350 (London Heathrow to Santiago Arturo Merino Benitez).
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The best round-trip flight price to South America from United Kingdom in the last 72 hours is £593 (London Heathrow to Lima J Chavez Intl).
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The fastest flight to South America from United Kingdom takes 14h 10m (London City to Sao Paulo Guarulhos Intl).
Search Deals
December has the highest demand for flights to South America, with a 2% price increase on average.
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Frequently asked questions about flying to South America

Where is it cheapest to fly into South America?

To save money on airfare when visiting South America, consider Bogotá El Dorado airport in Bogotá, which has the cheapest flights with an average airfare of £353. You may also consider flying to Rio de Janeiro–Galeão Intl airport in Rio de Janeiro for the second cheapest option with an average airfare of £489.

When did momondo last update prices for flights to South America?

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

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

As of December 2025, there are 35 operators available to choose from for flights to South America.

How old do you have to be to fly to South America?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to South America.

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

The necessary travel and health documents for your South America trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find flights to South America on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South America that suits you.

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

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

How can momondo help me find flights to South America?

Once you have performed a search for flights to South America, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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