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Cheap flights from London Heathrow Airport to Santiago from £390

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SCL
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Santiago Arturo Merino Benitez are usually found in May or March, 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 11 April 2025.

Round-trip from

£788

One-way from

£390

Popular in

December

Cheapest in

May

Average price

£851

Good round-trip deal

£870 or less

Good one-way deal

£685 or less
2/10-24/10
  • 2/10-24/10
  • 4 total stops
  • 88h 30m total
  • London to Santiago
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10/5
  • 10/5
  • 2 total stops
  • 33h 45m total
  • London to Santiago
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Highest demand for flights based on searches. 6% potential increase in price (£52 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in April 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 11 April 2025.

Thu 2/1009:30LHR - SCL
2 stops32h 55mMultiple Airlines
Fri 24/1020:35SCL - LHR
2 stops55h 35mMultiple Airlines
Deal found 10/4£788
Sat 8/1119:25LHR - SCL
2 stops43h 45mAir Canada
Mon 22/1220:50SCL - LHR
1 stop30h 40mAir Canada
Deal found 10/4£790
Mon 12/521:20LHR - SCL
1 stop18h 10mLATAM Airlines
Mon 26/517:45SCL - LHR
1 stop16h 20mLATAM Airlines
Deal found 10/4£795
Wed 24/907:50LHR - SCL
1 stop18h 00mIberia
Thu 9/1011:55SCL - LHR
1 stop16h 30mIberia
Deal found 9/4£826
Mon 12/521:55LHR - SCL
Nonstop14h 40mBritish Airways
Tue 10/622:15SCL - LHR
1 stop15h 55mBritish Airways
Deal found 10/4£850
Thu 5/622:05LHR - SCL
1 stop20h 20mAvianca
Sun 8/614:30SCL - LHR
1 stop20h 05mAvianca
Deal found 10/4£861
Mon 1/906:15LHR - SCL
1 stop17h 25mAir France
Wed 24/922:00SCL - LHR
1 stop19h 25mAir France
Deal found 10/4£869
Mon 1/911:45LHR - SCL
2 stops24h 15mDelta
Sun 21/921:40SCL - LHR
1 stop29h 35mDelta
Deal found 10/4£877
Thu 23/1011:35LHR - SCL
2 stops24h 30mAmerican Airlines
Fri 5/1223:45SCL - LHR
1 stop29h 30mAmerican Airlines
Deal found 10/4£879
Wed 22/1010:05LHR - SCL
2 stops26h 00mFinnair
Fri 31/1023:45SCL - LHR
1 stop27h 35mFinnair
Deal found 11/4£886

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 11 April 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

Thu 2/10

09:30-14:25

2 stops32h 55m

Santiago Arturo Merino Benitez

Fri 24/10

20:35-08:10

2 stops55h 35m

£788

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 12/5

21:20-10:30

1 stop18h 10m

Santiago Arturo Merino Benitez

Mon 26/5

17:45-15:05

1 stop16h 20m

£795

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Fri 12/9

17:40-14:25

2 stops24h 45m

Santiago Arturo Merino Benitez

Fri 26/9

00:55-06:30

2 stops25h 35m

£796

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Wed 24/9

07:50-21:50

1 stop18h 00m

Santiago Arturo Merino Benitez

Thu 9/10

11:55-08:25

1 stop16h 30m

£826

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 12/5

21:55-07:35

Nonstop14h 40m

Santiago Arturo Merino Benitez

Tue 10/6

22:15-19:10

1 stop15h 55m

£850

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 5/6

22:05-13:25

1 stop20h 20m

Santiago Arturo Merino Benitez

Sun 8/6

14:30-15:35

1 stop20h 05m

£861

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 25/9

11:30-08:05

2 stops24h 35m

Santiago Arturo Merino Benitez

Sat 11/10

21:55-06:55

1 stop29h 00m

£867

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 1/9

06:15-18:40

1 stop17h 25m

Santiago Arturo Merino Benitez

Wed 24/9

22:00-21:25

1 stop19h 25m

£869

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 1/9

13:05-07:00

1 stop22h 55m

Santiago Arturo Merino Benitez

Wed 17/9

21:40-06:45

2 stops29h 05m

£877

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 4/8

09:55-07:05

1 stop26h 10m

Santiago Arturo Merino Benitez

Thu 21/8

21:55-09:25

1 stop30h 30m

£1,077

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 16 results
1
2

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 4 April 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 11 April 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 17% 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 11 April 2025.
Delta
8.0
Very Good
7,910 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,910 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,269 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,757 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,428 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,910 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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, LATAM Airlines (£795), Air Canada (£796), and Iberia (£826) offers the cheapest pricing from London Heathrow Airport to Santiago. LATAM Airlines is currently priced 13% 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 (£404), Avianca (£520), and British Airways (£599).

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

    The cheapest flight price from London Heathrow Airport to Santiago is £655. On average you can expect to pay £1,464. The most popular route, (London Heathrow - Santiago Arturo Merino Benitez), can usually be booked for £788.

  • 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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£610Average£732FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£663Average£762FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
AviancaCheapest£687Average£861FlexibilityNo cancel feeOn-time71%
Search Avianca flights
FinnairCheapest£731Average£863FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£752Average£1,140FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£767Average£956FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£775Average£1,015FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
IberiaCheapest£776Average£990FlexibilityNo cancel feeOn-time77%
Search Iberia flights

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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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