£312 Find Cheap Flights to South America in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from the United Kingdom to South America

Round-trip

One-way

Last minute

Direct

Recent return flight deals from the United Kingdom to South America

Enter your travel dates to find the best prices.

14:45 - 15:25

LHR

LIM

30h 40m

1 stop

20:20 - 18:35

LIM

LHR

16h 15m

1 stop

£673Multiple Airlines

Fri, 29 May - Mon, 22 Jun

19:15 - 15:25

LHR

LIM

26h 10m

1 stop

17:55 - 18:35

LIM

LHR

18h 40m

1 stop

£673Multiple Airlines

Mon, 25 May - Mon, 8 Jun

19:15 - 15:25

LHR

LIM

26h 10m

1 stop

17:55 - 16:35

LIM

LHR

16h 40m

1 stop

£674Multiple Airlines

Fri, 29 May - Mon, 22 Jun

10:35 - 18:35

LGW

GRU

36h 00m

1 stop

20:55 - 11:20

GRU

LGW

34h 25m

1 stop

£712TAP AIR PORTUGAL

Tue, 26 May - Thu, 11 Jun

21:20 - 19:10

LGW

GIG

25h 50m

1 stop

20:20 - 11:20

GIG

LGW

35h 00m

2 stops

£747TAP AIR PORTUGAL

Thu, 28 May - Thu, 11 Jun

22:05 - 00:25

LHR

EZE

30h 20m

1 stop

07:10 - 15:35

EZE

LHR

28h 25m

1 stop

£748Avianca

Thu, 4 Jun - Sun, 7 Jun

21:40 - 15:50

LHR

EZE

21h 10m

1 stop

16:55 - 14:35

EZE

LHR

18h 40m

1 stop

£749Avianca

Thu, 29 Oct - Mon, 9 Nov

20:15 - 19:50

LCY

GRU

27h 35m

1 stop

19:35 - 18:30

GRU

LCY

18h 55m

2 stops

£771KLM

Wed, 27 May - Mon, 15 Jun

21:20 - 08:35

LHR

SDU

15h 15m

1 stop

20:15 - 15:05

SDU

LHR

14h 50m

1 stop

£809LATAM Airlines

Wed, 24 Jun - Wed, 8 Jul

21:20 - 08:35

LHR

SDU

15h 15m

1 stop

20:15 - 15:05

SDU

LHR

14h 50m

1 stop

£810LATAM Airlines

Tue, 9 Jun - Wed, 17 Jun

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Fri 29/5

14:45-15:25

1 stop30h 40m

Lima J Chavez Intl

Mon 22/6

20:20-18:35

1 stop16h 15m

£673

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Mon 25/5

19:15-15:25

1 stop26h 10m

Lima J Chavez Intl

Mon 8/6

17:55-18:35

1 stop18h 40m

£673

LondonLima

LHR - LIM

LHRLIM

London Heathrow

Fri 29/5

19:15-15:25

1 stop26h 10m

Lima J Chavez Intl

Mon 22/6

17:55-16:35

1 stop16h 40m

£674

LondonSao Paulo

LGW - GRU

LGWGRU

London Gatwick

Tue 26/5

10:35-18:35

1 stop36h 00m

Sao Paulo Guarulhos Intl

Thu 11/6

20:55-11:20

1 stop34h 25m

£712

LondonRio de Janeiro

LGW - GIG

LGWGIG

London Gatwick

Thu 28/5

21:20-19:10

1 stop25h 50m

Rio de Janeiro–Galeão Intl

Thu 11/6

20:20-11:20

2 stops35h 00m

£747

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 4/6

22:05-00:25

1 stop30h 20m

Buenos Aires Ministro Pistarini

Sun 7/6

07:10-15:35

1 stop28h 25m

£748

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 29/10

21:40-15:50

1 stop21h 10m

Buenos Aires Ministro Pistarini

Mon 9/11

16:55-14:35

1 stop18h 40m

£749

LondonSao Paulo

LCY - GRU

LCYGRU

London City

Wed 27/5

20:15-19:50

1 stop27h 35m

Sao Paulo Guarulhos Intl

Mon 15/6

19:35-18:30

2 stops18h 55m

£771

Fastest return journey

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 24/6

21:20-08:35

1 stop15h 15m

Rio de Janeiro Santos Dumont

Wed 8/7

20:15-15:05

1 stop14h 50m

£809

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 9/6

21:20-08:35

1 stop15h 15m

Rio de Janeiro Santos Dumont

Wed 17/6

20:15-15:05

1 stop14h 50m

£810

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	£853 - £1,564

CHEAPEST COUNTRY	Paraguay	26% cheaper	Users typically spent £293 less on flights to Paraguay
MOST EXPENSIVE COUNTRY	Guyana	36% more expensive	Users typically spent £418 more on trips to Guyana
MOST POPULAR COUNTRY TO FLY TO	Brazil	482% more popular	As 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, Peru, Argentina 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

Cali

When booking a flight to South America, the best-priced flight will typically be to Cali for £55, which is 84% less than the continental average.

Most expensive flight to South America from Bogotá

Fortaleza

Flights to South America are typically 60% more expensive when flying to Fortaleza, where the average price is £329

Cheap South America flight deals and tips

Summary info about South America flight prices, duration and airlines

Best One-Way Price	£312
Best Round-Trip Price	£673
Fastest flight time	24h 05m
Popular in	December

The best one-way flight price to South America from United Kingdom in the last 72 hours is £312 (London Stansted to Sao Paulo Guarulhos Intl).

Search Deals

The best round-trip flight price to South America from United Kingdom in the last 72 hours is £673 (London Heathrow to Lima J Chavez Intl).

Search Deals

The fastest flight to South America from United Kingdom takes 24h 05m (London Stansted to Sao Paulo Guarulhos Intl).

Search Deals

December has the highest demand for flights to South America, with a 4% price increase on average.

Search Deals

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 £287. You may also consider flying to Sao Paulo Guarulhos Intl airport in Sao Paulo for the second cheapest option with an average airfare of £467.

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 May 2026, 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.