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Cheap flights from Santiago to London from £336

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — LON
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Santiago Arturo Merino Benitez to London are usually found in March or November, booked 76 days in advance, depart on a Monday or Friday and return on a Wednesday

Cheap flight deals from Santiago to London

Enter your travel dates to find the best prices.

Cheapest flights from Santiago to London
Explore the most affordable flight options available from Santiago to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

Mon 16/318:35
SCL
-
LHR
1 stop16h 30m
LATAM Airlines
Sun 22/306:15
LHR
-
SCL
1 stop17h 15m
LATAM Airlines
Deal found 20/1£616
Mon 26/1019:55
SCL
-
LHR
1 stop31h 35m
Air Canada
Mon 9/1113:25
LHR
-
SCL
2 stops25h 50m
Air Canada
Deal found 19/1£617
Thu 5/320:55
SCL
-
LHR
2 stops31h 15m
Air Canada
Mon 16/313:00
LHR
-
SCL
1 stop25h 15m
Air Canada
Deal found 20/1£620
Thu 5/320:55
SCL
-
LHR
2 stops31h 15m
Air Canada
Tue 17/313:25
LHR
-
SCL
2 stops24h 50m
Air Canada
Deal found 20/1£623
Tue 10/313:35
SCL
-
LHR
2 stops20h 55m
LATAM Airlines
Tue 24/313:25
LHR
-
SCL
1 stop22h 25m
LATAM Airlines
Deal found 19/1£624
Thu 24/1220:55
SCL
-
LHR
2 stops57h 25m
Air Canada
Wed 6/109:00
LHR
-
SCL
2 stops30h 15m
Air Canada
Deal found 19/1£628
Mon 16/318:35
SCL
-
LHR
1 stop16h 30m
LATAM Airlines
Tue 31/321:20
LHR
-
SCL
2 stops24h 50m
LATAM Airlines
Deal found 19/1£628
Wed 23/1209:35
SCL
-
LHR
2 stops41h 55m
Air Canada
Wed 6/109:00
LHR
-
SCL
2 stops30h 15m
Air Canada
Deal found 19/1£630
Tue 10/323:55
SCL
-
LGW
1 stop16h 05m
LATAM Airlines
Tue 7/411:30
LGW
-
SCL
1 stop24h 45m
LATAM Airlines
Deal found 19/1£633
Tue 22/1220:55
SCL
-
LHR
2 stops44h 40m
Air Canada
Tue 5/113:45
LHR
-
SCL
2 stops49h 30m
Air Canada
Deal found 19/1£634
Wed 4/321:00
SCL
-
STN
1 stop19h 40m
Multiple Airlines
Wed 11/314:15
STN
-
SCL
1 stop21h 35m
Multiple Airlines
Deal found 18/1£635
Tue 10/319:55
SCL
-
LHR
1 stop31h 35m
Air Canada
Mon 23/318:00
LHR
-
SCL
1 stop20h 15m
Air Canada
Deal found 20/1£637

Find flight deals from Santiago to London

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to London (LON). 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 21 January 2026.

Round-trip from

£616

One-way from

£336

Popular in

July

Cheapest in

March

Average price

£889

Good round-trip deal

£1,109 or less

Good one-way deal

£1,809 or less
LATAM Airlines
  • LATAM Airlines
  • 16/3-22/3
  • 2 total stops
  • 33h 45m total
  • Santiago to London
Search Deals
21/4
  • 21/4
  • 3 total stops
  • 44h 25m total
  • Santiago to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Santiago Arturo Merino Benitez to London (LON).
Search Deals
Price to beat on a one-way flight from Santiago Arturo Merino Benitez to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Santiago to London 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 21 January 2026.
Use the filters below to find and compare flights from Santiago to London that are best for you.

Fly from

Santiago

Fly to

London

Route

Depart

Return

Price

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Sun 15/3

21:00-09:00

1 stop33h 00m

London Gatwick

Mon 30/3

17:25-08:15

1 stop18h 50m

£687

SantiagoLondon

SCL - LTN

SCLLTN

Santiago Arturo Merino Benitez

Sun 15/3

16:00-12:00

1 stop17h 00m

London Luton

Wed 25/3

14:40-08:50

1 stop21h 10m

£703

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 26/2

22:45-07:30

1 stop29h 45m

London Heathrow

Sat 7/3

13:35-07:50

2 stops45h 15m

£729

SantiagoLondon

SCL - LTN

SCLLTN

Santiago Arturo Merino Benitez

Tue 7/4

10:30-11:00

1 stop19h 30m

London Luton

Wed 15/4

12:45-08:45

1 stop25h 00m

£739

SantiagoLondon

SCL - LCY

SCLLCY

Santiago Arturo Merino Benitez

Mon 20/4

10:40-08:35

1 stop16h 55m

London City

Thu 14/5

19:15-07:25

1 stop17h 10m

£744

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Wed 4/2

22:45-05:55

2 stops28h 10m

London Heathrow

Sun 8/3

12:05-07:50

1 stop22h 45m

£766

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 15/5

10:15-13:50

2 stops22h 35m

London Heathrow

Tue 16/6

15:25-07:50

1 stop21h 25m

£784

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Thu 30/4

10:30-13:50

1 stop22h 20m

London Gatwick

Wed 13/5

13:00-08:45

1 stop24h 45m

£789

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 30/4

10:30-20:05

1 stop28h 35m

London Heathrow

Wed 13/5

09:55-08:45

1 stop27h 50m

£800

SantiagoLondon

SCL - LTN

SCLLTN

Santiago Arturo Merino Benitez

Fri 6/3

08:05-14:00

2 stops26h 55m

London Luton

Fri 13/3

07:35-08:50

2 stops28h 15m

£807

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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Best time to book a flight from Santiago to London

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

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

Use this chart to determine the optimal time to book a return flight from Santiago to London. Price data was last updated on 16 January 2026.

The best time to book flights from Santiago to London is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Santiago to London?

Currently, April is the cheapest month in which you can book a flight from Santiago to London (average of £132). Flying from Santiago to London in September is currently the most expensive (average of £731). 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 SCL to LON?

Find hourly flight availability from Santiago to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2026.

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

What’s the top stopover airport for flights from Santiago to London?

Share of one-stop return flights from Santiago to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Madrid (MAD) – chosen by Cheapflights users on 40% of one-stop itineraries from Santiago to London on Cheapflights.

What’s the cheapest stopover airport for flights from Santiago to London?

Average return fare for one-stop flights from Santiago to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Barcelona (BCN) is the most affordable one-stop option, with an average return flight price of £479.

What’s the fastest stopover option from Santiago to London?

Shortest average travel time for one-stop one-way flights from Santiago to London, 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: 16h 45m.

Which airport typically offers the quickest stopover for flights from Santiago to London?

Average stopover duration for one-stop one-way flights from Santiago to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Barcelona (BCN) offer the fastest connection on this route, with an average stopover time of 1h 18m.

How often are flights from Santiago to London delayed?

About 9% of weekly flights between Santiago and London have experienced delays in the past year, with the average delay time being 63 minutes.

What is the most punctual flight time for Santiago to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Santiago to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 9% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 January 2026.
Check out reviews from past customers who have flown with LATAM Airlines, Air France, andIberia from Santiago to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,912 reviews
Check prices

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

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.
LATAM Airlines
7.5
Good
1,912 reviews
LATAM Airlines
7.5
Good
1,912 reviews
Check prices

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

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.
Air France
7.4
Good
1,524 reviews
LATAM Airlines
7.5
Good
1,912 reviews
Check prices

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

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.
Iberia
7.0
Good
3,094 reviews
LATAM Airlines
7.5
Good
1,912 reviews
Check prices

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

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.
British Airways
6.7
Okay
7,690 reviews
LATAM Airlines
7.5
Good
1,912 reviews
Check prices

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

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.
Avianca
6.6
Okay
2,496 reviews
LATAM Airlines
7.5
Good
1,912 reviews
Check prices

Boarding

7.6

Crew

8.0

Comfort

7.3

Food

6.7

Entertainment

7.0

Overall

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 Santiago to London. 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 from for flights from Santiago to London?

    Santiago Arturo Merino Benitez (SCL), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Santiago to London. 3 airlines have flights from Arturo Merino Benitez to London on a regular basis. Booking flights from Santiago Arturo Merino Benitez to London should not be difficult; the airport handles an average of 1 outbound flight to London per day.

  • How long is the flight from Santiago to London?

    For as low as £744, United Airlines can have you in London from Santiago in 16h 55m. There are 7255 mi between Santiago and London. Both multi-stop and direct flights can be found to your destination and back.

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

    Our cheapest airline available from Santiago to London is LATAM Airlines. Our recent data shows that you can find tickets from as low as £611 on this airline. Additional options worth looking into are Iberia and British Airways, starting at £699 and £717 round-trip. Users have found that LATAM Airlines is 24% cheaper than the other options available to this destination.

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

    Most travelers choose Santiago Arturo Merino Benitez - London Heathrow, Santiago Arturo Merino Benitez - London Gatwick or Santiago Arturo Merino Benitez - London City when deciding on the best route from Santiago to London.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Santiago to London on time: Finnair (85%), Iberia (85%), British Airways (85%).

  • What are the cheapest flights from Santiago to London?

    Looking for the cheapest flight from Santiago to London? While on average our users pay £1,475, our data indicates the cheapest price to be £821. The most popular route (Santiago Arturo Merino Benitez - London Heathrow), is priced around £619.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santiago to London 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 Santiago to London?

    Currently, April is the cheapest month in which you can book a flight from Santiago to London (average of £132). Flying from Santiago to London in September is currently the most expensive (average of £731). 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
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Luton
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Gatwick
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Hounslow
Ilford
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Eastbourne
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Folkestone
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Santiago to London

Discover the top 3 airlines that operate flights from Santiago to London. 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 21 January 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£611Average£859FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
IberiaCheapest£699Average£916FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£717Average£899FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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 Santiago to London?

Cheapflights makes it easy to find Santiago to London 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 Santiago to London?

Cheapflights simply makes it quick and affordable to book flights from Santiago to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Santiago today and book when prices fit your budget.

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