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$437+ Cheap flights from Santiago (SCL) to Heathrow (LHR)

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — LHR
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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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 Tuesday and return on a Tuesday

Cheap flight deals from Santiago to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 2, 2025.

Round-trip from

$968
(United Airlines)

One-way from

$437
(United Airlines)

Popular in

April

Cheapest in

March

Average price

$1,218

Good round-trip deal

$1,337 or less

Good one-way deal

$691 or less
From Santiago Arturo Merino Benitez to London Heathrow
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One-way flight from Santiago Arturo Merino Benitez to London Heathrow
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Santiago Arturo Merino Benitez to London Heathrow.
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Price to beat on a one-way flight from Santiago Arturo Merino Benitez to London Heathrow.
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Find flight deals from Santiago to Heathrow

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 August 2, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:45 pmSCL - LHR
2 stops29h 10mUnited Airlines
Mon 11/34:20 pmLHR - SCL
2 stops43h 30mUnited Airlines
Deal found 7/31$968
This Air Canada deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:55 pmSCL - LHR
1 stop35h 25mAir Canada
Wed 3/2511:10 amLHR - SCL
1 stop27h 05mAir Canada
Deal found 7/31$972
This British Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:05 pmSCL - LHR
Nonstop14h 20mBritish Airways
Thu 11/2010:15 pmLHR - SCL
Nonstop14h 35mBritish Airways
Deal found 7/31$977
This KLM deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:55 amSCL - LHR
2 stops25h 20mMultiple Airlines
Tue 8/263:25 pmLHR - SCL
1 stop21h 20mMultiple Airlines
Deal found 8/1$978
This Air France deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/310:00 amSCL - LHR
1 stop17h 00mAir France
Mon 8/115:35 pmLHR - SCL
1 stop19h 10mAir France
Deal found 8/1$990
This Avianca deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:10 amSCL - LHR
1 stop28h 25mAvianca
Sat 10/1810:05 pmLHR - SCL
1 stop20h 20mAvianca
Deal found 8/1$1,033

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Santiago to London Heathrow Airport that are best for you.

Fly from

Santiago

Fly to

Heathrow

Route

Depart

Return

Price

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 10/28

9:45 pm-5:55 am

2 stops29h 10m

London Heathrow

Mon 11/3

4:20 pm-8:50 am

2 stops43h 30m

$968

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 12/29

8:55 pm-11:20 am

1 stop35h 25m

London Heathrow

Wed 3/25

11:10 am-11:15 am

1 stop27h 05m

$972

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 11/11

1:05 pm-6:25 am

Nonstop14h 20m

London Heathrow

Thu 11/20

10:15 pm-9:50 am

Nonstop14h 35m

$977

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 8/12

9:55 am-10:45 am

2 stops19h 50m

London Heathrow

Tue 8/26

3:25 pm-7:45 am

1 stop21h 20m

$990

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 10/11

7:10 am-3:35 pm

1 stop28h 25m

London Heathrow

Sat 10/18

10:05 pm-2:25 pm

1 stop20h 20m

$1,033

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 11/6

10:45 pm-10:50 am

2 stops33h 05m

$437

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 8/8

11:00 am-6:50 pm

2 stops26h 50m

$467

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 9/21

7:10 am-3:35 pm

1 stop28h 25m

$491

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 9/20

12:55 am-9:35 am

3 stops28h 40m

$562

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 10/20

10:55 am-10:45 am

2 stops19h 50m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 12 results
1
2

Best time to book a flight from Santiago to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Santiago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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 round-trip flight from Santiago to Heathrow. Price data was last updated on August 1, 2025.

To ensure you get the cheapest price possible for a flight from Santiago to London Heathrow Airport, you should look to book at least 12 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Santiago to London Heathrow Airport (average of $661). Flying from Santiago to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

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 August 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Santiago to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Santiago to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated August 2, 2025.
See what other customers who have flown with KLM, LATAM Airlines, and United Airlines from Santiago to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,384 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,384 reviews
KLM
7.8
Good
1,384 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LATAM Airlines
7.5
Good
1,823 reviews
KLM
7.8
Good
1,384 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,904 reviews
KLM
7.8
Good
1,384 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,855 reviews
KLM
7.8
Good
1,384 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Avianca
6.7
Okay
2,388 reviews
KLM
7.8
Good
1,384 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    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.

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

    According to our current data, United Airlines ($968), Air Canada ($972), and British Airways ($977) offers the cheapest pricing from Santiago to London Heathrow Airport. You may be able to fly from Santiago to London Heathrow Airport for 14% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Santiago to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $437 on United Airlines. Other airlines that offer cheap prices include Avianca from $491 and Air Canada from $562 one-way.

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

    Before booking your flight to London Heathrow Airport from Santiago, check out the most reliable airlines to get you to your destination on time: Iberia (100%), Finnair (83%), British Airways( 83%).

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

    Looking for the cheapest flight from Santiago to London Heathrow Airport? While on average our users pay $1,206, our data indicates the cheapest price to be $602. The most popular route (Santiago Arturo Merino Benitez - London Heathrow), is priced around $956.

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

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

  • How can I find direct flights from Santiago to Heathrow?

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

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

    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.

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

    Currently, November is the cheapest month in which you can book a flight from Santiago to London Heathrow Airport (average of $661). Flying from Santiago to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Dartford
Broadway
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Swindon

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Top 3 airlines flying from Santiago to Heathrow

Discover the top 3 airlines that operate flights from Santiago to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$910Average$1,014FlexibilityNo cancel feeOn-time77%
LATAM AirlinesCheapest$914Average$1,426FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$937Average$1,431FlexibilityNo cancel feeOn-time70%

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