Cheap flights from South America to London from £240
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 London departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from South America to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Air France flights from South America to London
Our best Air France deals on South America to London flight tickets
TAP AIR PORTUGAL flights from South America to London
Our best TAP AIR PORTUGAL deals on South America to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from South America to London
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 London?
The cheapest month to fly to London from South America is in February. Flight prices, which tend to average around £542, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from South America averaging around £558.
What is the cheapest day to depart on your flight to London?
Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £654. 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 London for around £748.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £684. Flights in the afternoon are often more expensive, with an average ticket price of £708.
What is the cheapest South America to London flight route?
Fly from Sao Paulo Guarulhos Intl to London Heathrow for the best South America - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from South America when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to London for around £727 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from South America for as low as £650 on momondo.
What cabin class options are available on South America to London flights?
There are 3 cabin classes available to choose from on South America to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from South America to London?
LATAM Airlines, TAP AIR PORTUGAL, and Avianca are the most popular carriers operating from South America to London
Which airlines fly to London?
LATAM Airlines, British Airways and Avianca are the top three most popular airlines that fly to London from South America according to our data. LATAM Airlines is the first choice among our users, with 36% of people opting to fly with this airline when travelling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from South America to London on average per day?
As of May 2025, 11 flights take off from South America and land in London each day. The most common flight departure time for this route is 23:00, with 84% of daily flights taking off in the evening.
How many flights depart from South America to London on average per week?
As of May 2025, 83 flights take off from South America and land in London each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.
Cheap South America to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from South America to London
When did momondo last update prices for flights from South America to London?
Prices for flights from South America to London are refreshed on a daily basis.
How many operators does momondo search for flights from South America to London?
The number of operators available for flights from South America to London is 7 as of May 2025.
How old do you have to be to fly from South America to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from South America to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London 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.
What is the most popular plane model from South America to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from South America to London is Boeing 777-300 (32.84% of total bookings). The next most popular plane models are Airbus A350-1000 (26.35%), Boeing 787-9 Dreamliner (8.16%), and Airbus A330-900neo (7.60%).
Best airlines flying from South America to London
Compare and see reviews for airlines that fly from South America to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £446 | Free Cancellation | Rating 6.7 7,089 reviews | |||
| PriceFrom £450 | Free Cancellation | Rating 6.7 2,329 reviews | |||
| PriceFrom £521 | Free Cancellation | Rating 7.1 1,869 reviews | |||
| PriceFrom £521 | Free Cancellation | Rating 7.3 1,068 reviews | |||
| PriceFrom £535 | Free Cancellation | Rating 7.5 1,780 reviews | |||
| PriceFrom £542 | Free Cancellation | Rating 6.6 6,923 reviews | |||
| PriceFrom £558 | Free Cancellation | Rating 7.0 2,739 reviews | |||
| PriceFrom £604 | Free Cancellation | Rating 7.8 1,346 reviews | |||
| PriceFrom £636 | Free Cancellation | Rating 7.0 9,393 reviews | |||
| PriceFrom £752 | Free Cancellation | Rating 7.0 518 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from South America to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from South America to London for you.
Can I find flights from South America to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from South America with this policy.
How can momondo help me find flights from South America to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from South America.
I’m not ready to book a flight from South America to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of South America to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.