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$615+ Cheap flights from Heathrow (LHR) to Santiago (SCL)

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SCL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from Heathrow to Santiago with Cheapflights

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Cheapflights Tip: The best prices from London Heathrow to Santiago Arturo Merino Benitez are usually found in June or September, booked 75 days in advance, depart on a Thursday or Monday and return on a Wednesday

Find flight deals from Heathrow to Santiago

Cheapest flights from Heathrow to Santiago
Explore the most affordable flight options available from Heathrow to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/811:35 amLHR - SCL
2 stops24h 15mUnited Airlines
Sun 11/1610:45 pmSCL - LHR
2 stops38h 05mUnited Airlines
Deal found 10/30$1,033
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Sat 11/221:25 pmLHR - SCL
2 stops49h 50mAir Canada
Thu 12/118:55 pmSCL - LHR
1 stop30h 35mAir Canada
Deal found 10/30$1,047
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/119:10 amLHR - SCL
2 stops26h 40mUnited Airlines
Mon 12/810:45 pmSCL - LHR
2 stops28h 10mUnited Airlines
Deal found 10/30$1,058
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/17:30 amLHR - SCL
2 stops52h 20mUnited Airlines
Mon 12/810:45 pmSCL - LHR
2 stops28h 55mUnited Airlines
Deal found 10/30$1,085
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Fri 11/2111:10 amLHR - SCL
1 stop28h 05mAir Canada
Thu 12/118:55 pmSCL - LHR
1 stop30h 35mAir Canada
Deal found 10/30$1,087
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:40 pmLHR - SCL
1 stop29h 50mMultiple Airlines
Thu 11/276:35 pmSCL - LHR
1 stop16h 30mMultiple Airlines
Deal found 10/30$1,108
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Thu 11/202:15 pmLHR - SCL
2 stops49h 00mAir Canada
Thu 12/118:55 pmSCL - LHR
1 stop30h 35mAir Canada
Deal found 10/30$1,118
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Sun 11/2311:10 amLHR - SCL
1 stop28h 05mAir Canada
Mon 12/158:55 pmSCL - LHR
1 stop30h 35mAir Canada
Deal found 10/30$1,120
This Avianca deal was found by Cheapflights users on 10/30. 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.
Thu 11/209:40 pmLHR - SCL
1 stop20h 40mAvianca
Tue 11/251:35 amSCL - LHR
1 stop34h 00mAvianca
Deal found 10/30$1,121
This Avianca deal was found by Cheapflights users on 10/30. 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.
Mon 11/179:40 pmLHR - SCL
1 stop34h 50mAvianca
Sun 11/231:35 amSCL - LHR
1 stop34h 00mAvianca
Deal found 10/30$1,123
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/1410:25 amLHR - SCL
2 stops25h 25mUnited Airlines
Sat 12/610:45 pmSCL - LHR
2 stops33h 30mUnited Airlines
Deal found 10/30$1,130

Cheap flight deals from Heathrow to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Santiago (SCL). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,031
(Air Canada)

One-way from

$615
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$1,321
Provider with most accurate pricing for London Heathrow-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Santiago Arturo Merino Benitez flights.
Search Deals
From London Heathrow to Santiago Arturo Merino Benitez
Search Deals
One-way flight from London Heathrow to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Santiago 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 October 30, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Santiago that are best for you.

Fly from

Heathrow

Fly to

Santiago

Route

Depart

Return

Price

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 12/1

7:30 am-8:50 am

2 stops52h 20m

Santiago Arturo Merino Benitez

Mon 12/8

10:45 pm-7:30 am

1 stop29h 45m

$1,085

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sat 2/7

10:25 am-8:50 am

2 stops49h 25m

Santiago Arturo Merino Benitez

Wed 2/18

10:45 pm-10:50 am

2 stops33h 05m

$1,131

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sun 11/16

8:55 am-7:40 am

1 stop25h 45m

Santiago Arturo Merino Benitez

Thu 1/15

11:10 pm-6:25 am

1 stop28h 15m

$1,167

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 11/17

10:10 am-7:40 am

2 stops24h 30m

Santiago Arturo Merino Benitez

Mon 11/24

11:10 pm-8:45 am

2 stops30h 35m

$1,167

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sat 1/10

7:40 pm-10:15 pm

1 stop29h 35m

Santiago Arturo Merino Benitez

Thu 2/19

1:05 pm-1:30 pm

1 stop21h 25m

$1,169

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 11/27

9:40 am-7:40 am

2 stops25h 00m

Santiago Arturo Merino Benitez

Thu 12/4

9:30 pm-8:05 am

2 stops31h 35m

$1,174

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 12/29

9:40 am-7:40 am

2 stops25h 00m

Santiago Arturo Merino Benitez

Sat 1/24

11:10 pm-6:20 am

2 stops28h 10m

$1,174

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 2/3

10:10 am-7:40 am

2 stops24h 30m

Santiago Arturo Merino Benitez

Fri 2/20

11:15 pm-7:50 am

1 stop29h 35m

$1,182

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Wed 2/4

3:50 pm-7:40 am

1 stop42h 50m

Santiago Arturo Merino Benitez

Fri 2/20

11:15 pm-7:50 am

1 stop29h 35m

$1,182

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sat 11/8

10:00 am-8:50 am

1 stop25h 50m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 20 results
1
2

Compare providers for flights from Heathrow to Santiago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Santiago in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Santiago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Santiago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Santiago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Santiago flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Santiago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Heathrow 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 London Heathrow Airport to Santiago

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Santiago. Price data was last updated on October 24, 2025.

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Santiago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of $798). Flying from London Heathrow Airport to Santiago in September is currently the most expensive (average of $1,028). 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 LHR to SCL?

Find hourly flight availability from Heathrow to Santiago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 43% on flights from London Heathrow Airport to Santiago by exploring options for tickets in the afternoon.

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

Reviews of airlines servicing Santiago

Get insights into the airlines that provide service to Santiago. 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 Santiago. Reviews last updated October 30, 2025.
See what other customers who have flown with Air Canada and British Airways from London Heathrow Airport to Santiago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,377 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Air Canada
7.1
Good
10,377 reviews
Air Canada
7.1
Good
10,377 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
British Airways
6.7
Okay
7,487 reviews
Air Canada
7.1
Good
10,377 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Santiago. 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 into for flights to Santiago from London Heathrow?

    If you book a flight to Santiago from London Heathrow, you will be flying to Arturo Merino Benitez, which is the city’s only airport. Santiago Arturo Merino Benitez (SCL) is located 8.4 mi from the center of Santiago. There is 1 flight from London Heathrow to Arturo Merino Benitez per day from 2 different airlines.

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

    Delta can get you from London Heathrow Airport to Santiago in just under 25h. Your travel time can differ by up to . London Heathrow Airport and Santiago are separated by a distance of 7236 mi.

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

    Flying on Air Canada is currently your cheapest option to Santiago, with prices starting at $844. Another option worth looking into is British Airways, starting at $919 round trip. You may be able to fly from London Heathrow Airport to Santiago for 32% less than the average price by searching for these airlines.

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

    Before booking your flight to Santiago from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Finnair (92%), Iberia (92%), British Airways( 92%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Santiago 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 London Heathrow Airport to Santiago?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of $798). Flying from London Heathrow Airport to Santiago in September is currently the most expensive (average of $1,028). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Santiago by adding a car rental and/or hotel reservation to your travel itinerary.
Santiago car rentals
Santiago Arturo Merino Benitez Airport car rentals
Temuco car rentals
Lastarria car rentals

Top 2 airlines flying from Heathrow to Santiago

Discover the top 2 airlines that operate flights from Heathrow to Santiago. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$844Average$948FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$919Average$1,305FlexibilityNo cancel feeOn-time70%

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