Cheap flights from London Heathrow Airport to Santiago from £349

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SCL
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Santiago Arturo Merino Benitez are usually found in September or June, booked 74 days in advance, depart on a Wednesday or Monday and return on a Monday

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 9 January 2026.

Round-trip from

£783

One-way from

£349

Popular in

December

Cheapest in

September

Average price

£895

Good round-trip deal

£867 or less

Good one-way deal

£725 or less
13/4-19/4
  • 13/4-19/4
  • 6 total stops
  • 59h 40m total
  • London to Santiago
6/5
  • 6/5
  • 2 total stops
  • 23h 40m total
  • London to Santiago
Highest demand for flights based on searches. 5% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from London Heathrow to Santiago Arturo Merino Benitez.
Price to beat on a one-way flight from London Heathrow to Santiago Arturo Merino Benitez.

Find flight deals from Heathrow to Santiago

Enter your travel dates to find the best prices.

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 9 January 2026.

Mon 13/411:20LHR - SCL
2 stops31h 25mMultiple Airlines
Thu 23/404:55SCL - LHR
2 stops26h 40mMultiple Airlines
Deal found 7/1£783
Sun 10/520:00LHR - SCL
2 stops22h 25mMultiple Airlines
Tue 2/610:30SCL - LHR
1 stop17h 40mMultiple Airlines
Deal found 8/1£784
Wed 4/320:15LHR - SCL
1 stop18h 20mLATAM Airlines
Wed 18/315:05SCL - LHR
2 stops20h 00mLATAM Airlines
Deal found 7/1£785
Sun 1/213:25LHR - SCL
2 stops25h 50mAir Canada
Sun 22/208:25SCL - LHR
1 stop21h 55mAir Canada
Deal found 7/1£786
Sun 1/218:00LHR - SCL
1 stop21h 15mAir Canada
Sat 21/220:55SCL - LHR
1 stop30h 35mAir Canada
Deal found 7/1£787
Sun 22/211:10LHR - SCL
1 stop28h 05mAir Canada
Sun 1/308:25SCL - LHR
2 stops43h 05mAir Canada
Deal found 8/1£788
Tue 2/607:50LHR - SCL
1 stop17h 50mBritish Airways
Wed 17/605:00SCL - LHR
2 stops22h 25mBritish Airways
Deal found 8/1£788
Mon 13/411:20LHR - SCL
2 stops31h 25mMultiple Airlines
Mon 20/404:55SCL - LHR
2 stops26h 40mMultiple Airlines
Deal found 7/1£791
Wed 15/418:45LHR - SCL
2 stops23h 40mMultiple Airlines
Thu 23/414:30SCL - LHR
1 stop20h 05mMultiple Airlines
Deal found 7/1£792
Mon 2/213:45LHR - SCL
2 stops49h 30mAir Canada
Sat 21/220:55SCL - LHR
1 stop30h 35mAir Canada
Deal found 8/1£794
Fri 8/517:40LHR - SCL
2 stops24h 45mAir Canada
Sun 24/523:55SCL - LHR
3 stops28h 40mAir Canada
Deal found 7/1£794

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 9 January 2026.
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 16/3

09:55-10:10

1 stop27h 15m

Santiago Arturo Merino Benitez

Thu 26/3

11:55-09:10

1 stop18h 15m

£790

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Wed 18/2

10:25-08:50

2 stops25h 25m

Santiago Arturo Merino Benitez

Sun 8/3

21:45-07:55

2 stops31h 10m

£801

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Fri 30/1

10:00-08:50

1 stop25h 50m

Santiago Arturo Merino Benitez

Tue 24/3

21:45-07:30

1 stop30h 45m

£851

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 17/3

20:00-09:55

2 stops40h 55m

Santiago Arturo Merino Benitez

Tue 31/3

11:15-15:10

2 stops23h 55m

£852

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 14/4

16:45-08:30

2 stops44h 45m

Santiago Arturo Merino Benitez

Mon 27/4

10:15-22:25

2 stops31h 10m

£869

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sat 7/3

18:45-22:15

1 stop30h 30m

Santiago Arturo Merino Benitez

Mon 9/3

23:55-17:15

1 stop38h 20m

£887

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 12/3

16:35-09:55

2 stops44h 20m

Santiago Arturo Merino Benitez

Thu 2/4

11:15-21:00

2 stops29h 45m

£888

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Wed 18/2

12:30-07:40

1 stop22h 10m

Santiago Arturo Merino Benitez

Sun 8/3

22:10-06:25

1 stop29h 15m

£889

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 3/2

12:30-07:40

1 stop22h 10m

Santiago Arturo Merino Benitez

Sun 1/3

23:10-07:50

1 stop29h 40m

£889

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sun 18/1

09:40-07:40

2 stops25h 00m

Santiago Arturo Merino Benitez

Sun 8/2

23:10-08:45

2 stops30h 35m

£889

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 21 results
1
2
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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 2 January 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Santiago, you should look to book at least 74 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of £591). Flying from London Heathrow Airport to Santiago in December is currently the most expensive (average of £791). 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 9 January 2026.

When flying from London Heathrow Airport to Santiago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 9 January 2026.
Read reviews from past customers who have flown with LATAM Airlines, Air France, andAir Canada from London Heathrow Airport to Santiago. 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.

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Crew

8.0

Comfort

7.3

Boarding

7.6

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

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 1 inbound flight from London Heathrow per day. 7 airlines have flights to Santiago Arturo Merino Benitez from London Heathrow on a regular basis.

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

    Departing from London Heathrow Airport to Santiago will take you 25h 25m. The distance from London Heathrow Airport to Santiago is about 7236 mi. This flight may include one or multiple stops.

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

    According to our current data, Avianca (£460), Air Canada (£634), and Air France (£746) offers the cheapest pricing from London Heathrow Airport to Santiago. Avianca is currently priced 51% 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 LATAM Airlines (£400), Lufthansa (£428), and United Airlines (£428).

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Santiago consider choosing Finnair (91%), Iberia (91%) or British Airways (91%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from London Heathrow Airport to Santiago is £710. On average you can expect to pay £1,782. The most popular route, (London Heathrow - Santiago Arturo Merino Benitez), can usually be booked for £617.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of £591). Flying from London Heathrow Airport to Santiago in December is currently the most expensive (average of £791). 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

Travelling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Viña del Mar

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Top 7 airlines flying from Heathrow to Santiago

Discover the top 7 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 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£529Average£864FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air CanadaCheapest£634Average£763FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£746Average£890FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£752Average£1,027FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£774Average£1,019FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LATAM AirlinesCheapest£785Average£967FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
IberiaCheapest£798Average£1,080FlexibilityNo cancel feeOn-time77%
Search Iberia flights

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