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Cheap flights from London Heathrow Airport to Santiago from £366

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SCL
25 Mar — 1 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Santiago Arturo Merino Benitez are usually found in May or June, booked 49 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

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 20 March 2025.

Round-trip from

£773

One-way from

£366

Popular in

December

Cheapest in

May

Average price

£846

Good round-trip deal

£830 or less

Good one-way deal

£644 or less
Air France
  • Air France
  • 31/3-7/3
  • 2 total stops
  • 33h 50m total
  • London to Santiago
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1/4
  • 1/4
  • 3 total stops
  • 38h 40m total
  • London to Santiago
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Highest demand for flights based on searches. 6% potential increase in price (£49 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London Heathrow to Santiago Arturo Merino Benitez.
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Price to beat on a one-way flight from London Heathrow to Santiago Arturo Merino Benitez.
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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 20 March 2025.

Mon 31/319:45LHR - SCL
1 stop17h 00mAir France
Sat 7/312:10SCL - LHR
1 stop16h 50mAir France
Deal found 20/3£773
Fri 28/1111:10LHR - SCL
1 stop28h 00mAir Canada
Wed 10/1220:50SCL - LHR
1 stop30h 40mAir Canada
Deal found 20/3£779
Tue 9/917:10LHR - SCL
1 stop19h 14mIberia
Wed 19/1113:10SCL - LHR
1 stop17h 05mIberia
Deal found 20/3£789
Mon 31/317:40LHR - SCL
2 stops29h 10mMultiple Airlines
Thu 8/523:55SCL - LHR
2 stops28h 40mMultiple Airlines
Deal found 20/3£800
Wed 12/1113:25LHR - SCL
1 stop22h 55mLATAM Airlines
Fri 28/1112:30SCL - LHR
1 stop22h 35mLATAM Airlines
Deal found 19/3£805
Wed 26/1122:15LHR - SCL
Nonstop14h 40mBritish Airways
Thu 18/1214:30SCL - LHR
1 stop37h 15mBritish Airways
Deal found 19/3£833
Thu 8/522:05LHR - SCL
1 stop20h 20mAvianca
Wed 18/614:30SCL - LHR
1 stop20h 05mAvianca
Deal found 19/3£839
Fri 21/312:10LHR - SCL
1 stop23h 25mFinnair
Fri 28/322:44SCL - LHR
2 stops30h 46mFinnair
Deal found 19/3£845
Tue 28/1009:20LHR - SCL
1 stop25h 30mUnited Airlines
Sun 7/1222:45SCL - LHR
2 stops57h 30mUnited Airlines
Deal found 20/3£855
Thu 25/911:30LHR - SCL
2 stops24h 35mAmerican Airlines
Sun 12/1021:55SCL - LHR
1 stop32h 40mAmerican Airlines
Deal found 20/3£868
Sat 22/312:30LHR - SCL
1 stop20h 50mDelta
Sat 29/323:15SCL - LHR
1 stop27h 30mDelta
Deal found 20/3£881

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 20 March 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 31/3

19:45-08:45

1 stop17h 00m

Santiago Arturo Merino Benitez

Sat 7/3

12:10-08:00

1 stop16h 50m

£773

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 12/5

18:45-07:20

1 stop17h 35m

Santiago Arturo Merino Benitez

Tue 10/6

16:15-17:15

1 stop20h 00m

£779

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 9/9

17:10-08:24

1 stop19h 14m

Santiago Arturo Merino Benitez

Wed 19/11

13:10-09:15

1 stop17h 05m

£789

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 9/9

14:05-14:25

2 stops28h 20m

Santiago Arturo Merino Benitez

Tue 18/11

00:45-06:30

2 stops26h 45m

£792

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 31/3

17:40-18:50

2 stops29h 10m

Santiago Arturo Merino Benitez

Thu 8/5

23:55-09:35

2 stops28h 40m

£800

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 8/5

22:05-13:25

1 stop20h 20m

Santiago Arturo Merino Benitez

Wed 18/6

14:30-15:35

1 stop20h 05m

£839

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 31/3

12:30-08:00

2 stops23h 30m

Santiago Arturo Merino Benitez

Mon 12/5

21:00-06:20

2 stops28h 20m

£845

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 31/3

13:05-08:00

1 stop22h 55m

Santiago Arturo Merino Benitez

Thu 8/5

20:40-08:55

2 stops31h 15m

£881

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 3/4

12:15-08:00

1 stop23h 45m

Santiago Arturo Merino Benitez

Mon 14/4

21:55-09:25

1 stop30h 30m

£886

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sat 13/9

21:55-08:35

Nonstop14h 40m

Santiago Arturo Merino Benitez

Mon 6/10

11:55-09:30

1 stop17h 35m

£890

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 18 results
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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 return 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 return flight from Heathrow to Santiago. Price data was last updated on 14 March 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Santiago, you should look to book at least 49 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 London Heathrow Airport to Santiago?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of £1,031). Flying from London Heathrow Airport to Santiago in December is currently the most expensive (average of £1,468). 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 20 March 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Santiago at midday. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Santiago. Price data was last updated on 16 December 2024.

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

Rainfall in Santiago by month

Plan your trip to Santiago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago ranges from 0.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Santiago when rainfall is around 0.0 mm.

Temperature in Santiago by month

Plan your trip to Santiago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 8.0 C).

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 20 March 2025.
To help decide which airline to fly from London to Santiago, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,896 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
LATAM Airlines
7.5
Good
1,749 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air France
7.4
Good
1,422 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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?

    For a flight from London Heathrow to Santiago, you will be flying into Arturo Merino Benitez. Santiago Arturo Merino Benitez (SCL) is just 8.4 mi from the center of the city. Arturo Merino Benitez is the only Santiago airport and it handles 0 inbound flights from London Heathrow per day. 8 airlines have flights to Santiago Arturo Merino Benitez from London Heathrow on a regular basis.

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

    According to our current data, Air France (£773), LATAM Airlines (£779), and Iberia (£789) offers the cheapest pricing from London Heathrow Airport to Santiago. Air France is currently priced 15% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from London Heathrow Airport to Santiago are Iberia (£390), Avianca (£522), and Vueling (£612).

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

    The cheapest flight price from London Heathrow Airport to Santiago is £601. On average you can expect to pay £1,750. The most popular route, (London Heathrow - Santiago Arturo Merino Benitez), can usually be booked for £675.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of £1,031). Flying from London Heathrow Airport to Santiago in December is currently the most expensive (average of £1,468). 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

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Top 8 airlines flying from Heathrow to Santiago

Discover the top 8 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 858,174 searches. Data last updated 20 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£606Average£723FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
AviancaCheapest£609Average£847FlexibilityNo cancel feeOn-time71%
Search Avianca flights
American AirlinesCheapest£659Average£757FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£727Average£855FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£735Average£1,147FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£760Average£977FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£761Average£936FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£768Average£1,012FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Santiago.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Santiago flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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