Cheap flights from London Heathrow Airport to Santiago from £347
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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SCL
12 Sep — 19 Sep1
Return
1 adult
Economy
Return
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 72 days in advance, depart on a Friday or Monday and return on a Thursday
Cheap flight deals from Heathrow to Santiago
Enter your travel dates to find the best prices.
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Best
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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 13 August 2026.
Sun 25/1021:40 -
1 stop29h 50m
Sun 15/1107:25 -
1 stop28h 10m
Deal found 10/8£751
Wed 18/1121:40 -
1 stop29h 50m
Wed 2/1216:25 -
1 stop19h 10m
Deal found 10/8£751
Mon 31/818:45 -
1 stop17h 40m
Tue 15/923:20 -
1 stop15h 50m
Deal found 9/8£756
Mon 9/1121:40 -
1 stop29h 50m
Tue 17/1118:30 -
1 stop16h 35m
Deal found 11/8£757
Thu 24/917:10 -
1 stop19h 15m
Wed 14/1023:20 -
1 stop18h 55m
Deal found 9/8£758
Wed 28/1021:40 -
1 stop20h 40m
Sun 22/1121:55 -
2 stops40h 20m
Deal found 9/8£759
Sun 1/1121:40 -
1 stop20h 40m
Sun 29/1118:30 -
1 stop16h 35m
Deal found 13/8£763
Sat 7/1121:40 -
1 stop20h 40m
Sun 29/1118:30 -
1 stop16h 35m
Deal found 13/8£764
Sat 7/1121:40 -
1 stop20h 40m
Fri 13/1122:00 -
1 stop17h 15m
Deal found 11/8£766
Fri 6/1121:40 -
1 stop20h 40m
Thu 19/1113:45 -
1 stop27h 20m
Deal found 11/8£768
Best flights from Heathrow to Santiago
Discover carefully curated flight deals from Heathrow to Santiago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 August 2026.
Wed 30/906:15 -
1 stop19h 25m
Mon 12/1010:05 -
2 stops24h 50m
Deal found 12/8£852
Thu 10/915:15 -
1 stop21h 00m
Thu 17/920:40 -
2 stops30h 05m
Deal found 9/8£898
Thu 4/217:55 -
3 stops36h 55m
Wed 17/212:26 -
2 stops31h 04m
Deal found 8/8£902
Thu 24/921:55 -
Nonstop14h 35m
Wed 14/1023:20 -
1 stop15h 50m
Deal found 10/8£859
Sat 10/1015:15 -
1 stop21h 00m
Tue 20/1020:40 -
1 stop29h 45m
Deal found 9/8£898
Mon 8/216:30 -
3 stops38h 20m
Sun 28/212:26 -
2 stops31h 04m
Deal found 8/8£913
Wed 20/122:15 -
Nonstop14h 35m
Thu 4/212:30 -
Nonstop14h 20m
Deal found 8/8£863
Mon 7/906:15 -
2 stops30h 00m
Sun 13/920:40 -
2 stops30h 30m
Deal found 11/8£913
Mon 21/906:30 -
2 stops45h 52m
Thu 8/1003:15 -
2 stops39h 10m
Deal found 11/8£914
Tue 9/208:25 -
1 stop16h 55m
Tue 23/213:15 -
Nonstop14h 20m
Deal found 11/8£886
Mon 21/921:55 -
Nonstop14h 35m
Fri 9/1010:05 -
2 stops24h 50m
Deal found 11/8£973
Direct flights from Heathrow to Santiago
Explore direct flight options from Heathrow to Santiago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 August 2026.
Sat 3/1022:10 -
Nonstop14h 35m
Sun 18/1016:00 -
Nonstop14h 10m
Deal found 9/8£831
Mon 25/122:15 -
Nonstop14h 35m
Fri 5/213:15 -
Nonstop14h 20m
Deal found 9/8£838
Thu 21/122:15 -
Nonstop14h 35m
Thu 4/212:30 -
Nonstop14h 20m
Deal found 9/8£856
Wed 20/122:15 -
Nonstop14h 35m
Thu 4/212:30 -
Nonstop14h 20m
Deal found 9/8£859
Wed 18/1122:15 -
Nonstop14h 35m
Thu 3/1212:30 -
Nonstop14h 20m
Deal found 9/8£862
Wed 6/122:15 -
Nonstop14h 35m
Sun 24/113:15 -
Nonstop14h 20m
Deal found 12/8£882
Sat 3/1022:10 -
Nonstop14h 35m
Tue 13/1016:00 -
Nonstop14h 10m
Deal found 12/8£902
Thu 19/1122:15 -
Nonstop14h 35m
Thu 10/1212:30 -
Nonstop14h 20m
Deal found 11/8£924
Thu 24/921:55 -
Nonstop14h 35m
Fri 16/1016:00 -
Nonstop14h 10m
Deal found 9/8£928
Last-minute flights from Heathrow to Santiago
Discover last-minute flight deals from Heathrow to Santiago. Data last updated 13 August 2026 and is based on user searches.
Mon 31/818:45 -
1 stop17h 40m
Tue 15/923:20 -
1 stop15h 50m
Deal found 9/8£756
Thu 3/922:05 -
1 stop30h 15m
Fri 25/907:40 -
1 stop27h 55m
Deal found 10/8£791
Mon 7/922:05 -
1 stop35h 40m
Wed 7/1016:20 -
1 stop19h 15m
Deal found 9/8£797
Wed 9/907:50 -
1 stop17h 50m
Wed 16/911:40 -
1 stop17h 50m
Deal found 13/8£777
Wed 9/922:05 -
1 stop21h 10m
Wed 23/907:40 -
1 stop27h 55m
Deal found 10/8£789
Thu 10/922:05 -
1 stop30h 15m
Thu 24/907:40 -
1 stop27h 55m
Deal found 10/8£751
Thu 10/922:05 -
1 stop30h 15m
Thu 17/916:20 -
1 stop19h 15m
Deal found 9/8£781
Thu 10/922:05 -
1 stop21h 10m
Fri 25/907:40 -
1 stop27h 55m
Deal found 9/8£791
Tue 15/922:05 -
1 stop21h 10m
Tue 20/1017:05 -
1 stop19h 15m
Deal found 9/8£803
Fri 18/922:05 -
1 stop21h 10m
Wed 7/1007:40 -
1 stop27h 55m
Deal found 9/8£779
Thu 24/917:10 -
1 stop19h 15m
Wed 14/1023:20 -
1 stop18h 55m
Deal found 9/8£758
Thu 24/921:55 -
Nonstop14h 35m
Fri 16/1010:05 -
1 stop24h 50m
Deal found 9/8£780
One-way flights from Heathrow to Santiago
Search for one-way flight options from Heathrow to Santiago. Find affordable one-way fares based on user searches. Data last updated 13 August 2026.
Thu 3/918:45 -
2 stops39h 00m
Deal found 11/8£347
Tue 8/915:00 -
3 stops37h 20m
Deal found 9/8£364
Fri 4/920:00 -
3 stops32h 20m
Deal found 9/8£374
Thu 27/809:55 -
2 stops23h 50m
Deal found 11/8£378
Mon 31/820:50 -
3 stops55h 30m
Deal found 10/8£384
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 13 August 2026.
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 13 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Santiago that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Wed 30/9
06:15-21:40
1 stop19h 25m
Santiago Arturo Merino Benitez
Mon 12/10
10:05-14:55
2 stops24h 50m
£852
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Thu 24/9
21:55-08:30
Nonstop14h 35m
Santiago Arturo Merino Benitez
Wed 14/10
23:20-19:10
1 stop15h 50m
£859
Fastest return journey
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Wed 20/1
22:15-09:50
Nonstop14h 35m
Santiago Arturo Merino Benitez
Thu 4/2
12:30-05:50
Nonstop14h 20m
£863
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Tue 9/2
08:25-22:20
1 stop16h 55m
Santiago Arturo Merino Benitez
Tue 23/2
13:15-06:35
Nonstop14h 20m
£886
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Thu 10/9
15:15-08:15
1 stop21h 00m
Santiago Arturo Merino Benitez
Thu 17/9
20:40-06:45
2 stops30h 05m
£898
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Sat 10/10
15:15-08:15
1 stop21h 00m
Santiago Arturo Merino Benitez
Tue 20/10
20:40-06:25
1 stop29h 45m
£898
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Thu 4/2
17:55-03:50
3 stops36h 55m
Santiago Arturo Merino Benitez
Wed 17/2
12:26-22:30
2 stops31h 04m
£902
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Mon 8/2
16:30-03:50
3 stops38h 20m
Santiago Arturo Merino Benitez
Sun 28/2
12:26-22:30
2 stops31h 04m
£913
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Mon 7/9
06:15-08:15
2 stops30h 00m
Santiago Arturo Merino Benitez
Sun 13/9
20:40-07:10
2 stops30h 30m
£913
LondonSantiago
LHR London Heathrow - SCL Santiago Arturo Merino Benitez
LHRSCL
London Heathrow
Mon 21/9
06:30-00:22
2 stops45h 52m
Santiago Arturo Merino Benitez
Thu 8/10
03:15-22:25
2 stops39h 10m
£914
Flights are sorted by cheapest return flights first.
Deals found on 8/8
Showing 1-10 of 22 resultsSorted by cheapest first
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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.
LHR-SCL
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
Prices
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Santiago?
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Santiago, you should look to book at least 71 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of £874). Flying from London Heathrow Airport to Santiago in December is currently the most expensive (average of £1,244). 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 13 August 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?
Airfare is below average for this route at the moment.
London Heathrow Airport to Santiago flights typically cost between £933 and £1,254 in October.The cheapest return price found within the last 5 days was £751 on Avianca (25 Oct–15 Nov).
How often are flights from London to Santiago delayed?
About 11% of weekly flights between London and Santiago have experienced delays in the past year, with the average delay time being 79 minutes.
What is the most punctual flight time for London to Santiago flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Santiago flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Santiago?
Share of one-stop return flights from London Heathrow Airport to Santiago chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Madrid (MAD) – chosen by Cheapflights users on 42% of one-stop itineraries from London Heathrow Airport to Santiago on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Santiago?
Average return fare for one-stop flights from London Heathrow Airport to Santiago, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £731.
What’s the fastest stopover option from London Heathrow Airport to Santiago?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Santiago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 17h 21m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Santiago?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Santiago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Montreal (YUL) offer the fastest connection on this route, with an average stopover time of 1h 50m.
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 13 August 2026.
Read reviews from past customers who have flown with Air France,LATAM Airlines, 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.
Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
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. 6 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 17h 40m. The distance from London Heathrow Airport to Santiago is about 7236 mi.
What are the cheapest airlines flying from London Heathrow Airport to Santiago round-trip?
According to our current data, Avianca (£481), Air Canada (£685), and Air France (£768) 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 Avianca (£427), United Airlines (£446), and Iberia (£481).
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 (96%), Iberia (96%) or British Airways (96%) 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 £828. On average you can expect to pay £1,002. The most popular route, (London Heathrow - Santiago Arturo Merino Benitez), can usually be booked for £702.
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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Santiago (average of £874). Flying from London Heathrow Airport to Santiago in December is currently the most expensive (average of £1,244). 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.
Explore flights to Santiago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 August 2026.
Discover the top 6 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 13 August 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Santiago?
Cheapflights helps you search for flights from Heathrow to Santiago via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
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.
Can Cheapflights find flights from Heathrow to Santiago with no change fees?
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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