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Cheap flights from Santiago to London from £270

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santiago to London departing on 23/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

LATAM Airlines Logo
15:00 - 14:05SCL-LHR
20h 05m2 stops
LATAM Airlines Logo
17:25 - 08:50LHR-SCL
18h 25m1 stop
£655LATAM Airlines
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Wed, 12 Nov - Fri, 21 Nov
Avianca Logo
00:55 - 15:35SCL-LHR
34h 40m1 stop
Avianca Logo
22:05 - 05:15LHR-SCL
35h 10m1 stop
£656Avianca
Find Deal
Sun, 12 Oct - Tue, 21 Oct
Logo
00:55 - 16:25SCL-LGW
36h 30m2 stops
Logo
17:25 - 20:30LGW-SCL
30h 05m1 stop
£657
Find Deal
Wed, 12 Nov - Sat, 22 Nov
Avianca Logo
00:55 - 15:35SCL-LHR
34h 40m1 stop
Avianca Logo
22:05 - 23:30LHR-SCL
29h 25m1 stop
£657Avianca
Find Deal
Sun, 5 Oct - Wed, 22 Oct
Logo
23:55 - 23:20SCL-LGW
20h 25m2 stops
Logo
16:25 - 10:10LGW-SCL
20h 45m1 stop
£659
Find Deal
Sun, 28 Dec - Mon, 26 Jan
British Airways Logo
23:55 - 18:50SCL-LHR
15h 55m1 stop
British Airways Logo
19:05 - 09:20LHR-SCL
17h 15m1 stop
£662British Airways
Find Deal
Fri, 19 Dec - Sun, 11 Jan
British Airways Logo
13:05 - 06:25SCL-LHR
14h 20mdirect
British Airways Logo
17:25 - 09:20LHR-SCL
18h 55m1 stop
£667British Airways
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Sun, 2 Nov - Mon, 24 Nov
Iberia Logo
13:05 - 08:50SCL-LCY
16h 45m1 stop
Iberia Logo
19:15 - 08:50LCY-SCL
16h 35m1 stop
£676Iberia
Find Deal
Mon, 29 Dec - Thu, 29 Jan
Iberia Logo
23:55 - 18:50SCL-LHR
15h 55m1 stop
Iberia Logo
18:45 - 09:20LHR-SCL
17h 35m1 stop
£680Iberia
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Tue, 18 Nov - Tue, 9 Dec
Air France Logo
12:05 - 21:25SCL-LHR
30h 20m1 stop
Air France Logo
14:45 - 07:45LHR-SCL
22h 00m1 stop
£700Air France
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Mon, 1 Dec - Sun, 31 May

Air France flights from Santiago to London

Our best Air France deals on Santiago to London flight tickets
Air France
1 Dec
SCL12:05Santiago Arturo Merino Benitez
30h 20m
1 stop
LHR21:25London Heathrow
31 May
LHR14:45London Heathrow
22h 00m
1 stop
SCL07:45Santiago Arturo Merino Benitez
£700
Find similar
Air France
23 Sept
SCL11:00Santiago Arturo Merino Benitez
17h 00m
1 stop
LHR08:00London Heathrow
22 Oct
LHR06:15London Heathrow
17h 25m
1 stop
SCL19:40Santiago Arturo Merino Benitez
£811
Find similar
Air France
21 Sept
SCL11:00Santiago Arturo Merino Benitez
25h 35m
1 stop
LHR16:35London Heathrow
27 Nov
LHR14:45London Heathrow
21h 55m
1 stop
SCL09:40Santiago Arturo Merino Benitez
£835
Find similar

Avianca flights from Santiago to London

Our best Avianca deals on Santiago to London flight tickets
Avianca
12 Oct
SCL00:55Santiago Arturo Merino Benitez
34h 40m
1 stop
LHR15:35London Heathrow
21 Oct
LHR22:05London Heathrow
35h 10m
1 stop
SCL05:15Santiago Arturo Merino Benitez
£656
Find similar
Avianca
5 Oct
SCL00:55Santiago Arturo Merino Benitez
34h 40m
1 stop
LHR15:35London Heathrow
22 Oct
LHR22:05London Heathrow
29h 25m
1 stop
SCL23:30Santiago Arturo Merino Benitez
£657
Find similar
Avianca
5 Oct
SCL00:55Santiago Arturo Merino Benitez
34h 40m
1 stop
LHR15:35London Heathrow
19 Oct
LHR22:05London Heathrow
35h 10m
1 stop
SCL05:15Santiago Arturo Merino Benitez
£659
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Santiago to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Wed 12/11

15:00-14:05

2 stops20h 05m

London Heathrow

Fri 21/11

17:25-08:50

1 stop18h 25m

£655

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 12/10

00:55-15:35

1 stop34h 40m

London Heathrow

Tue 21/10

22:05-05:15

1 stop35h 10m

£656

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Wed 12/11

00:55-16:25

2 stops36h 30m

London Gatwick

Sat 22/11

17:25-20:30

1 stop30h 05m

£657

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 5/10

00:55-15:35

1 stop34h 40m

London Heathrow

Wed 22/10

22:05-23:30

1 stop29h 25m

£657

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Sun 28/12

23:55-23:20

2 stops20h 25m

London Gatwick

Mon 26/1

16:25-10:10

1 stop20h 45m

£659

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 19/12

23:55-18:50

1 stop15h 55m

London Heathrow

Sun 11/1

19:05-09:20

1 stop17h 15m

£662

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 2/11

13:05-06:25

Nonstop14h 20m

London Heathrow

Mon 24/11

17:25-09:20

1 stop18h 55m

£667

SantiagoLondon

SCL - LCY

SCLLCY

Santiago Arturo Merino Benitez

Mon 29/12

13:05-08:50

1 stop16h 45m

London City

Thu 29/1

19:15-08:50

1 stop16h 35m

£676

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 18/11

23:55-18:50

1 stop15h 55m

London Heathrow

Tue 9/12

18:45-09:20

1 stop17h 35m

£680

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 1/12

12:05-21:25

1 stop30h 20m

London Heathrow

Sun 31/5

14:45-07:45

1 stop22h 00m

£700

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Santiago to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Santiago and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Santiago is in March. Flight prices, which tend to average around £637, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Santiago averaging around £665.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £672. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Santiago to London for around £911.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £678. Flights in the morning are often more expensive, with an average ticket price of £988.

What is the cheapest Santiago Arturo Merino Benitez to London flight route?

Fly from Santiago Arturo Merino Benitez to London Heathrow for the best Santiago Arturo Merino Benitez - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Santiago when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £842 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Santiago for as low as £740 on momondo.

What cabin class options are available on Santiago Arturo Merino Benitez to London flights?

There are 3 cabin classes available to choose from on Santiago Arturo Merino Benitez to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Santiago to London flights?

You could potentially save up to 10% on your flight if you consider stops on a Santiago to London flight.

How have Santiago to London flight prices changed over time?

As of September 2025, prices for Santiago to London flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Santiago to London

Are you open to changing your travel dates? Check out the ideal times to fly from Santiago to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Santiago to London (SCL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santiago to London

Best price found

£572

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri and Sat

Airports in London

1 airport
The best one-way flight to London from Santiago in the past 72 hours is £572. The best return flight deal from Santiago to London found on momondo in the last 72 hours is £769.
The fastest flight from Santiago to London takes 14h 10m
Direct flights go from Santiago to London on Monday, Wednesday, Friday and Saturday. Airline offering direct flights is British Airways..
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • How far is Santiago Arturo Merino Benitez to London by plane?

    There are 7247.2 mi between Santiago Arturo Merino Benitez and London. A reasonable flight in good conditions will take 14h 20m.

  • When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to London?

    Prices for flights from Santiago Arturo Merino Benitez Airport to London are updated daily.

  • How many operators does momondo search for flights from Santiago Arturo Merino Benitez Airport to London?

  • How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Santiago to London?

  • What is the most popular airline from Santiago to London?

Best airlines flying from Santiago to London

Compare and see reviews for airlines that fly from Santiago to London with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom £591Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
IberiaPriceFrom £696Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
British AirwaysPriceFrom £710Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • Iberia Flights From Santiago to London

    Iberia flight deals from Santiago to London start from £946 round-trip. Over the 3 Iberia flights for this route in a normal week, average airfare is usually £1,231 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From Santiago to London

    The best British Airways deal for Santiago to London flight tickets found on momondo in the last 72 hours was £965, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £1,207 round-trip. British Airways operates 3 flights out of Santiago into London in an average week, so prices vary by time and availability. 7,361 British Airways reviews by users on momondo have scored the airline at 6.6/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Santiago to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santiago to London. momondo saves you time and could save you money on your trip.

Can I find flights from Santiago to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Santiago to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Santiago to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Santiago.

I’m not ready to book a flight from Santiago to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Santiago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport