Q: How much does it cost for a return flight from Santiago to London Heathrow Airport?

Airfare is below average for this route at the moment. Santiago to London Heathrow Airport flights typically cost between £716 and £1,153 in February. The cheapest return flight price found within the last 3 days was £617 on Air Canada (18 Feb-2 Mar).

Question 1

What is the most punctual flight time for Santiago to London flights?

Accepted Answer

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 3

Which airport typically offers the quickest stopover for flights from Santiago to London Heathrow Airport?

Accepted Answer

Flights via Barcelona (BCN) offer the fastest connection on this route, with an average stopover time of 1h 22m.

Question 4

How much does it cost for a return flight from Santiago to London Heathrow Airport?

Accepted Answer

Airfare is below average for this route at the moment.Santiago to London Heathrow Airport flights typically cost between £716 and £1,153 in February.
The cheapest return flight price found within the last 3 days was £617 on Air Canada (18 Feb-2 Mar).

Question 5

What’s the top stopover airport for flights from Santiago to London Heathrow Airport?

Accepted Answer

Madrid (MAD) – chosen by Cheapflights users on 55% of one-stop itineraries from Santiago to London Heathrow Airport on Cheapflights.

Question 6

What’s the fastest stopover option from Santiago to London Heathrow Airport?

Accepted Answer

Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 16h 45m.

Question 7

Which airline has the best punctuality record on Santiago to London flights?

Accepted Answer

Over the past year, British Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

Question 8

How often are flights from Santiago to London delayed?

Accepted Answer

About 11% of weekly flights between Santiago and London have experienced delays in the past year, with the average delay time being 67 minutes.

Question 9

What’s the cheapest stopover airport for flights from Santiago to London Heathrow Airport?

Accepted Answer

Sao Paulo (GRU) is the most affordable one-stop option, with an average return flight price of £837.

Question 10

How long is the flight from Santiago to London Heathrow Airport?

Accepted Answer

Airlines like LATAM Airlines, United Airlines, and Air Canada fly from Santiago to London Heathrow Airport in about 25h 35m. The time it takes to get you to your destination can typically vary by up to 11h 50m. Airlines will cover a distance of 7236 mi. Both multi-stop and direct flights can be found to your destination and back.

Question 11

What are the cheapest airlines flying from Santiago to London Heathrow Airport round-trip?

Accepted Answer

According to our current data, LATAM Airlines (£613), Iberia (£702), and British Airways (£719) offers the cheapest pricing from Santiago to London Heathrow Airport. Users have found that LATAM Airlines is 28% cheaper than the other options available to this destination.

Question 12

How far ahead should I book a flight from Santiago to London Heathrow Airport?

Accepted Answer

The best time to book flights from Santiago to London Heathrow Airport is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 13

What is the cheapest month to book a flight from Santiago to London Heathrow Airport?

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Santiago to London Heathrow Airport (average of £578). Flying from Santiago to London Heathrow Airport in September is currently the most expensive (average of £733). 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.

Question 14

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 15

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 16

What are the cheapest flights from Santiago to London Heathrow Airport?

Accepted Answer

On average you can expect to pay £1,814 for a flight from Santiago to London Heathrow Airport. The cheapest flight overall is £1,813 while the most popular route, (Santiago Arturo Merino Benitez - London Heathrow) is currently priced at £620.

Question 17

What are the most reliable airlines from Santiago to London Heathrow Airport?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Santiago to London Heathrow Airport consider choosing Finnair (85%), Iberia (85%) or British Airways (85%) as they are the most reliable in getting you off to your destination on time.

Question 18

What are the most popular airlines that fly from Santiago to London Heathrow Airport?

Accepted Answer

Consider Iberia, British Airways or LATAM Airlines when booking your flight. These represent the most popular airlines when flying from Santiago to London Heathrow Airport.

Question 19

What is the cheapest time of day to fly from SCL to LHR?

Accepted Answer

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

Question 20

What airport do you fly from for flights from Santiago to London Heathrow?

Accepted Answer

Santiago Arturo Merino Benitez (SCL) is the airport you will fly out of if you book a flight from Santiago to London Heathrow. You should not have trouble finding flights to London Heathrow from Arturo Merino Benitez; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Santiago airport to London Heathrow. It is only a 8.4 mi journey to Arturo Merino Benitez (SCL) from Santiago’s city center.

Question 21

Can I find deals for flights from Santiago to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Santiago to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 22

How can I find direct flights from Santiago to Heathrow?

Accepted Answer

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

Question 23

Can I find deals for business class flights from Santiago to Heathrow?

Accepted Answer

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

Question 24

How does Cheapflights help users find flights from Santiago to Heathrow?

Accepted Answer

When you search for this flight from Santiago to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 25

Why should you use Cheapflights to find cheap flight tickets from Santiago to Heathrow?

Accepted Answer

Cheapflights helps you find that perfect flight to Heathrow from Santiago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 26

Can Cheapflights find flights from Santiago to Heathrow with no change fees?

Accepted Answer

Need flexible booking options for your flight to Heathrow from Santiago? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 27

Can Cheapflights notify me if prices for flights from Santiago to Heathrow become cheaper?

Accepted Answer

Yes! Start tracking prices for Santiago to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£617
One-way from	£330
Popular in	July
Cheapest in	March
Average price	£896
Good one-way deal	£1,814 or less

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£613	Average£861	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
Iberia	Cheapest£702	Average£918	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£719	Average£902	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from Santiago to London Heathrow Airport from £330

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Santiago to HeathrowExplore the most affordable flight options available from Santiago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.

Explore the most affordable flight options available from Santiago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.

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Best time to book a flight from Santiago to Heathrow

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Everything you need to know about your flight from Santiago to London Heathrow Airport

How far ahead should I book a flight from Santiago to London Heathrow Airport?

What is the cheapest month to book a flight from Santiago to London Heathrow Airport?

What is the cheapest time of day to fly from SCL to LHR?

How much does it cost for a return flight from Santiago to London Heathrow Airport?

How often are flights from Santiago to London delayed?

What is the most punctual flight time for Santiago to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Santiago to London flights?

What’s the top stopover airport for flights from Santiago to London Heathrow Airport?

What’s the cheapest stopover airport for flights from Santiago to London Heathrow Airport?

What’s the fastest stopover option from Santiago to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Santiago to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Related info for your journey

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

What airport do you fly from for flights from Santiago to London Heathrow?

How long is the flight from Santiago to London Heathrow Airport?

What are the cheapest airlines flying from Santiago to London Heathrow Airport round-trip?

What are the most reliable airlines from Santiago to London Heathrow Airport?

What are the cheapest flights from Santiago to London Heathrow Airport?

Can I find deals for flights from Santiago to Heathrow that include hotel bookings?

How can I find direct flights from Santiago to Heathrow?

Can I find deals for business class flights from Santiago to Heathrow?

What is the cheapest month to book a flight from Santiago to London Heathrow Airport?

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Can Cheapflights find flights from Santiago to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Santiago to Heathrow become cheaper?

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Cheapest flights from Santiago to Heathrow
Explore the most affordable flight options available from Santiago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.