Cheap flights from London Heathrow Airport to Santiago from £290

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 16/4. 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
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Santiago Arturo Merino Benitez are usually found in September or November, booked 74 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 23 February 2026.

Fri 17/422:05
LHR
-
SCL
1 stop30h 15m
Avianca
Wed 6/506:40
SCL
-
LHR
1 stop27h 55m
Avianca
Deal found 23/2£794
Sat 7/316:20
LHR
-
SCL
2 stops42h 30m
United Airlines
Mon 9/321:45
SCL
-
LHR
2 stops29h 10m
United Airlines
Deal found 19/2£798
Wed 4/313:35
LHR
-
SCL
2 stops46h 15m
United Airlines
Sun 8/321:45
SCL
-
LHR
2 stops29h 10m
United Airlines
Deal found 22/2£799
Wed 4/1109:00
LHR
-
SCL
2 stops30h 15m
Air Canada
Mon 30/1120:55
SCL
-
LHR
2 stops44h 40m
Air Canada
Deal found 22/2£799
Sun 6/1218:00
LHR
-
SCL
1 stop21h 15m
Air Canada
Fri 15/108:25
SCL
-
LHR
1 stop19h 45m
Air Canada
Deal found 23/2£800
Thu 22/1006:15
LHR
-
SCL
1 stop18h 15m
LATAM Airlines
Sun 15/1115:55
SCL
-
LHR
1 stop19h 10m
LATAM Airlines
Deal found 19/2£801
Wed 4/312:05
LHR
-
SCL
1 stop23h 45m
United Airlines
Tue 17/321:45
SCL
-
LHR
2 stops29h 10m
United Airlines
Deal found 19/2£802
Mon 23/1106:00
LHR
-
SCL
2 stops33h 15m
Air Canada
Mon 30/1120:55
SCL
-
LHR
2 stops44h 40m
Air Canada
Deal found 19/2£803
Tue 24/1106:05
LHR
-
SCL
1 stop19h 35m
British Airways
Tue 1/1213:05
SCL
-
LHR
Nonstop14h 20m
British Airways
Deal found 19/2£805
Wed 15/420:50
LHR
-
SCL
2 stops36h 55m
Multiple Airlines
Sat 25/410:30
SCL
-
LHR
1 stop17h 40m
Multiple Airlines
Deal found 22/2£805
Sun 1/310:00
LHR
-
SCL
1 stop25h 50m
Lufthansa
Tue 10/321:45
SCL
-
LHR
1 stop30h 45m
Lufthansa
Deal found 22/2£806
Mon 14/1208:25
LHR
-
SCL
1 stop17h 15m
British Airways
Mon 21/1213:05
SCL
-
LHR
1 stop21h 25m
British Airways
Deal found 20/2£807

Find 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 23 February 2026.

Round-trip from

£794

One-way from

£290

Popular in

December

Cheapest in

September

Average price

£977

Good round-trip deal

£846 or less
Avianca
  • Avianca
  • 17/4-6/5
  • 2 total stops
  • 58h 10m total
  • London to Santiago
16/4
  • 16/4
  • 2 total stops
  • 36h 55m total
  • London to Santiago
Highest demand for flights based on searches. 3% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from London Heathrow to Santiago Arturo Merino Benitez.

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 23 February 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

Sat 7/3

12:05-08:50

1 stop23h 45m

Santiago Arturo Merino Benitez

Mon 9/3

21:45-07:30

1 stop30h 45m

£848

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Fri 1/5

07:05-19:23

3 stops41h 18m

Santiago Arturo Merino Benitez

Mon 4/5

00:01-09:35

3 stops28h 34m

£871

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Fri 17/4

10:20-19:23

3 stops38h 03m

Santiago Arturo Merino Benitez

Tue 5/5

00:01-09:35

3 stops28h 34m

£882

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 19/3

08:55-07:40

1 stop25h 45m

Santiago Arturo Merino Benitez

Sun 5/4

20:40-06:45

2 stops29h 05m

£885

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 20/4

10:20-19:23

3 stops38h 03m

Santiago Arturo Merino Benitez

Sun 26/4

00:09-09:35

3 stops28h 26m

£886

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 30/3

15:15-08:15

1 stop21h 00m

Santiago Arturo Merino Benitez

Tue 12/5

20:40-06:20

2 stops28h 40m

£890

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 26/3

08:55-07:40

1 stop25h 45m

Santiago Arturo Merino Benitez

Mon 11/5

20:40-06:45

2 stops29h 05m

£890

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 31/3

20:05-08:15

2 stops40h 10m

Santiago Arturo Merino Benitez

Sun 10/5

20:40-06:20

2 stops28h 40m

£890

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 30/3

09:20-08:15

1 stop26h 55m

Santiago Arturo Merino Benitez

Wed 6/5

20:40-08:50

2 stops31h 10m

£890

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 30/3

15:15-08:15

1 stop21h 00m

Santiago Arturo Merino Benitez

Sun 10/5

20:40-06:45

2 stops29h 05m

£890

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 22 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 20 February 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 £590). Flying from London Heathrow Airport to Santiago in July is currently the most expensive (average of £848). 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 23 February 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.

How much does it cost for a return flight 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 23 February 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.

Food

6.7

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Boarding

7.5

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.

Food

6.7

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Boarding

7.5

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.

Food

6.7

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Boarding

7.5

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.

Food

6.7

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Boarding

7.5

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.

Food

6.7

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Boarding

7.5

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.

Food

6.7

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Boarding

7.5

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 23h 45m. 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 (£458), Air Canada (£659), and Air France (£744) offers the cheapest pricing from London Heathrow Airport to Santiago. Avianca is currently priced 52% 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 United Airlines (£427), LATAM Airlines (£434), and Avianca (£457).

  • 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 (86%), Iberia (86%) or British Airways (86%) 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 £785. On average you can expect to pay £2,162. The most popular route, (London Heathrow - Santiago Arturo Merino Benitez), can usually be booked for £674.

  • 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 £590). Flying from London Heathrow Airport to Santiago in July is currently the most expensive (average of £848). 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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£458Average£850FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air CanadaCheapest£659Average£767FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£744Average£899FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£791Average£1,074FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LATAM AirlinesCheapest£792Average£977FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
British AirwaysCheapest£812Average£1,068FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£839Average£1,098FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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

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