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Cheap flights from London 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.
LON — SCL
13 Jul — 20 Jul1
1 adult

Cheapflights Tip: The best prices from London to Santiago Arturo Merino Benitez are usually found in March or May, booked 51 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from London to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 8 July 2025.

Round-trip from

£812

One-way from

£347

Popular in

December

Cheapest in

March

Average price

£988

Good round-trip deal

£930 or less
LATAM Airlines
  • LATAM Airlines
  • 1/11-17/11
  • 2 total stops
  • 44h 45m total
  • London to Santiago
3/9
  • 3/9
  • 3 total stops
  • 44h 25m total
  • London to Santiago
Highest demand for flights based on searches. 5% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London (LON) to Santiago Arturo Merino Benitez.

Find flight deals from London to Santiago

Cheapest flights from London to Santiago
Explore the most affordable flight options available from London to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Sat 1/1119:40LHR - SCL
1 stop28h 10mLATAM Airlines
Mon 17/1118:30SCL - LHR
1 stop16h 35mLATAM Airlines
Deal found 7/7£812
Thu 21/810:55LHR - SCL
1 stop24h 50mMultiple Airlines
Thu 28/822:55SCL - LHR
1 stop26h 30mMultiple Airlines
Deal found 7/7£814
Mon 27/1013:25LHR - SCL
2 stops24h 50mAir Canada
Sat 29/1100:45SCL - LHR
2 stops31h 35mAir Canada
Deal found 6/7£815
Thu 10/717:35LHR - SCL
1 stop19h 20mAir France
Thu 17/710:00SCL - LHR
1 stop25h 35mAir France
Deal found 6/7£816
Tue 11/1119:45STN - SCL
2 stops36h 25mMultiple Airlines
Fri 14/1123:55SCL - STN
1 stop16h 35mMultiple Airlines
Deal found 7/7£817
Fri 5/913:05LGW - SCL
1 stop22h 40mMultiple Airlines
Fri 26/923:55SCL - LGW
1 stop26h 25mMultiple Airlines
Deal found 7/7£823
Tue 25/1119:35LGW - SCL
1 stop29h 40mIberia
Mon 1/1211:55SCL - LGW
1 stop18h 15mIberia
Deal found 6/7£825
Mon 24/1119:35LGW - SCL
2 stops21h 30mLATAM Airlines
Sat 29/1112:25SCL - LGW
2 stops21h 00mLATAM Airlines
Deal found 7/7£828
Wed 10/922:05LHR - SCL
1 stop29h 25mAvianca
Tue 23/900:55SCL - LHR
1 stop34h 40mAvianca
Deal found 7/7£833
Fri 11/706:10LHR - SCL
1 stop19h 25mBritish Airways
Fri 18/722:15SCL - LHR
1 stop15h 55mBritish Airways
Deal found 6/7£846
Thu 30/1016:20LHR - SCL
2 stops42h 30mUnited Airlines
Mon 1/1222:45SCL - LHR
2 stops31h 25mUnited Airlines
Deal found 8/7£848
Fri 5/911:35LGW - SCL
1 stop24h 49mBritish Airways
Sun 21/923:15SCL - LGW
1 stop16h 45mBritish Airways
Deal found 7/7£849

Cheapflights Fare Finder

Customise your flight search to find flights from London 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 8 July 2025.
Use the filters below to find and compare flights from London to Santiago that are best for you.

Fly from

London

Fly to

Santiago

Route

Depart

Return

Price

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sat 1/11

19:40-20:50

1 stop28h 10m

Santiago Arturo Merino Benitez

Mon 17/11

18:30-14:05

1 stop16h 35m

£812

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 21/8

10:55-06:45

1 stop24h 50m

Santiago Arturo Merino Benitez

Thu 28/8

22:55-06:25

1 stop26h 30m

£814

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 27/10

13:25-11:15

2 stops24h 50m

Santiago Arturo Merino Benitez

Sat 29/11

00:45-11:20

2 stops31h 35m

£815

LondonSantiago

STN - SCL

STNSCL

London Stansted

Tue 11/11

19:45-05:10

2 stops36h 25m

Santiago Arturo Merino Benitez

Fri 14/11

23:55-19:30

1 stop16h 35m

£817

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

Fri 5/9

13:05-06:45

1 stop22h 40m

Santiago Arturo Merino Benitez

Fri 26/9

23:55-06:20

1 stop26h 25m

£823

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

Tue 25/11

19:35-22:15

1 stop29h 40m

Santiago Arturo Merino Benitez

Mon 1/12

11:55-09:10

1 stop18h 15m

£825

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

Mon 24/11

19:35-14:05

2 stops21h 30m

Santiago Arturo Merino Benitez

Sat 29/11

12:25-12:25

2 stops21h 00m

£828

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Wed 10/9

22:05-23:30

1 stop29h 25m

Santiago Arturo Merino Benitez

Tue 23/9

00:55-15:35

1 stop34h 40m

£833

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 30/10

16:20-07:50

2 stops42h 30m

Santiago Arturo Merino Benitez

Mon 1/12

22:45-09:10

2 stops31h 25m

£848

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

Fri 5/9

11:35-07:24

1 stop24h 49m

Santiago Arturo Merino Benitez

Sun 21/9

23:15-20:00

1 stop16h 45m

£849

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 25 results
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Best time to book a flight from London to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from London 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 to Santiago

How far ahead should I book a flight from London to Santiago?

Use this chart to determine the optimal time to book a return flight from London to Santiago. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from London to Santiago, you should look to book at least 51 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 to Santiago?

Currently, May is the cheapest month in which you can book a flight from London to Santiago (average of £1,031). Flying from London 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 LON to SCL?

Find hourly flight availability from London 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 8 July 2025.

A simple way to save on the total cost of your ticket is to fly from London to Santiago at midday. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.

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 8 July 2025.
Read through reviews of airlines operating flights from London to Santiago, such as Delta, KLM, andLATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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
8.0
Very Good

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

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 London 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?

    Located just 8.4 mi from the city center, Santiago Arturo Merino Benitez is the airport most travelers will use when flying to Santiago from London. Booking flights from London to Arturo Merino Benitez (SCL) should be relatively easy as there are 0 daily inbound flights from London from 8 different airlines.

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

    Flying on LATAM Airlines is currently your cheapest option to Santiago, with prices starting at £812. Additional return tickets that might be worth considering are offered by Air Canada and Iberia, with the lowest prices starting at £815 and £825, respectively. These flights start at 7% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as £450 on United Airlines. Other airlines that offer cheap prices include Avianca from £484 and KLM from £854 one-way.

  • What are the most popular routes from London to Santiago?

  • What are the cheapest flights from London to Santiago?

    On average you can expect to pay £1,403 for a flight from London to Santiago. The cheapest flight overall is £854 while the most popular route, (London Heathrow - Santiago Arturo Merino Benitez) is currently priced at £662.

  • Can I find deals for flights from London to Santiago that include hotel bookings?

    Yes. In addition to deals on London to Santiago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Santiago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Santiago.

  • Can I find deals for business class flights from London to Santiago?

    Yes. Cheapflights offers flight deals from London 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 to Santiago?

    Currently, May is the cheapest month in which you can book a flight from London to Santiago (average of £1,031). Flying from London 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

Travelling to a place near London?

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

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Fly from London to Santiago on these airlines

Choose from the following airlines for your flight from London to Santiago. Flights are based on user searches made on Cheapflights and were last updated on 8 July 2025.

Top 8 airlines flying from London to Santiago

Discover the top 8 airlines that operate flights from London 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£581Average£713FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£629Average£722FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
AviancaCheapest£693Average£846FlexibilityNo cancel feeOn-time71%
Search Avianca flights
FinnairCheapest£693Average£818FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£717Average£1,074FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£717Average£982FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£729Average£938FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LATAM AirlinesCheapest£737Average£941FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to Santiago flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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Can Cheapflights find flights from London to Santiago with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Santiago, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from London to Santiago and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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