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 £758 and £1,037 in October. The cheapest return flight price found within the last 3 days was £686 on Avianca (20 Oct-19 Nov).

Question 1

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 £758 and £1,037 in October.
The cheapest return flight price found within the last 3 days was £686 on Avianca (20 Oct-19 Nov).

Question 2

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

Accepted Answer

According to our current data, Avianca (£686), British Airways (£689), and Iberia (£690) offers the cheapest pricing from Santiago to London Heathrow Airport. Users have found that Avianca is 18% cheaper than the other options available to this destination.

Question 3

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 12 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 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Santiago to London Heathrow Airport (average of £112). Flying from Santiago to London Heathrow Airport in August is currently the most expensive (average of £164). 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 5

What is the cheapest day to fly from Santiago to London Heathrow Airport?

Accepted Answer

Travellers seeking maximum savings on their Santiago to London Heathrow Airport flight should consider departing on Wednesday at midday when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

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 7

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 8

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

Accepted Answer

On average you can expect to pay £1,086 for a flight from Santiago to London Heathrow Airport. The cheapest flight overall is £470 while the most popular route, (Santiago Arturo Merino Benitez - London Heathrow) is currently priced at £643.

Question 9

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 Iberia (100%), Finnair (83%) or British Airways (83%) as they are the most reliable in getting you off to your destination on time.

Question 10

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

Accepted Answer

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

Question 11

What is the cheapest day to fly round-trip from Santiago to London Heathrow Airport?

Accepted Answer

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London Heathrow Airport. Check prices with Cheapflights to find a great deal for your trip.

Question 12

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 14% on flights from Santiago to London Heathrow Airport compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £790. For sooner than that we have options available in the next 3 days from £1,015.

Question 13

What is the cheapest month to fly from Santiago to London Heathrow Airport?

Accepted Answer

March can be a great time to fly to London Heathrow Airport from Santiago with a flight ticket averaging about £804. Cheapflights users have found deals in the month of March for as cheap as £521. The most expensive prices can be found in the month of July.

Question 14

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

Accepted Answer

It’s optimal to fly from Santiago to London Heathrow Airport in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at midday.

Question 15

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 16

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 17

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 18

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 19

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 20

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 21

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 22

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	£686
One-way from	£327
Popular in	January
Cheapest in	March
Average price	£902
Good round-trip deal	£882 or less
Good one-way deal	£543 or less

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£592	Average£892	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
Iberia	Cheapest£698	Average£909	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£712	Average£894	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from Santiago to London Heathrow Airport from £327

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to London Heathrow are usually found in March or February, booked 12 days in advance, depart on a Wednesday or Monday and return on a Sunday

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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 13 August 2025.

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 13 August 2025.

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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?

Use this chart to determine the optimal time to book a return flight from Santiago to Heathrow. Price data was last updated on 8 August 2025.

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?

Find hourly flight availability from Santiago to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 August 2025.

How much does it cost for a return flight 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?

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 13 August 2025.