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Cheap flights from Santiago to London from $440

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 3/9. 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 round-trip flights

Avianca Logo
12:55 am - 3:35 pmSCL-LHR
34h 40m1 stop
Avianca Logo
10:05 pm - 5:15 amLHR-SCL
35h 10m1 stop
$891Avianca
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Sun, Oct 12 - Mon, Oct 20
LATAM Airlines Logo
6:25 pm - 3:05 pmSCL-LHR
40h 40m2 stops
LATAM Airlines Logo
7:40 pm - 9:20 amLHR-SCL
16h 40m1 stop
$902LATAM Airlines
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Sat, Oct 25 - Wed, Jan 7
Avianca Logo
3:30 pm - 3:35 pmSCL-LHR
20h 05m1 stop
Avianca Logo
9:40 pm - 3:20 pmLHR-SCL
20h 40m1 stop
$904Avianca
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Fri, Oct 10 - Sat, Nov 15
British Airways Logo
1:05 pm - 9:15 amSCL-LHR
17h 10m1 stop
British Airways Logo
10:15 pm - 9:50 amLHR-SCL
14h 35mnonstop
$943British Airways
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Mon, Mar 9 - Mon, Mar 16
British Airways Logo
1:05 pm - 9:15 amSCL-LHR
17h 10m1 stop
British Airways Logo
9:55 pm - 7:35 amLHR-SCL
14h 40mnonstop
$952British Airways
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Sat, Feb 28 - Sat, May 23
Multiple Airlines Logo
11:55 am - 6:00 pmSCL-LHR
27h 05m1 stop
Multiple Airlines Logo
9:55 am - 10:10 amLHR-SCL
27h 15m1 stop
$973Multiple Airlines
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Thu, Dec 18 - Fri, Jan 9
United Airlines Logo
10:45 pm - 10:15 amSCL-LHR
32h 30m1 stop
United Airlines Logo
7:40 am - 8:50 amLHR-SCL
28h 10m2 stops
$983United Airlines
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Sun, Nov 2 - Sat, Nov 15
Multiple Airlines Logo
1:05 pm - 9:15 amSCL-LHR
17h 10m1 stop
Multiple Airlines Logo
9:55 pm - 7:35 amLHR-SCL
14h 40mnonstop
$985Multiple Airlines
Find Deal
Sat, Feb 28 - Sat, May 23
United Airlines Logo
10:45 pm - 10:15 amSCL-LHR
32h 30m1 stop
United Airlines Logo
10:00 am - 8:50 amLHR-SCL
25h 50m1 stop
$988United Airlines
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Fri, Nov 7 - Fri, Nov 14
LEVEL Logo
11:55 am - 6:00 pmSCL-LHR
27h 05m1 stop
LEVEL Logo
6:50 pm - 10:10 amLHR-SCL
18h 20m1 stop
$990LEVEL
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Thu, Dec 18 - Fri, Jan 9

United Airlines flights from Santiago to London Heathrow Airport

Our best United Airlines deals on Santiago to London Heathrow Airport flight tickets
United Airlines
Nov 2
SCL10:45 pmSantiago Arturo Merino Benitez
32h 30m
1 stop
LHR10:15 amLondon Heathrow
Nov 15
LHR7:40 amLondon Heathrow
28h 10m
2 stops
SCL8:50 amSantiago Arturo Merino Benitez
$983
Find similar
United Airlines
Nov 7
SCL10:45 pmSantiago Arturo Merino Benitez
32h 30m
1 stop
LHR10:15 amLondon Heathrow
Nov 14
LHR10:00 amLondon Heathrow
25h 50m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$988
Find similar
United Airlines
Oct 28
SCL9:45 pmSantiago Arturo Merino Benitez
29h 10m
2 stops
LHR5:55 amLondon Heathrow
Nov 7
LHR12:05 pmLondon Heathrow
23h 45m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
$989
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LATAM Airlines flights from Santiago to London Heathrow Airport

Our best LATAM Airlines deals on Santiago to London Heathrow Airport flight tickets
LATAM Airlines
Oct 25
SCL6:25 pmSantiago Arturo Merino Benitez
40h 40m
2 stops
LHR3:05 pmLondon Heathrow
Jan 7
LHR7:40 pmLondon Heathrow
16h 40m
1 stop
SCL9:20 amSantiago Arturo Merino Benitez
$902
Find similar
LATAM Airlines
Oct 24
SCL9:50 pmSantiago Arturo Merino Benitez
37h 15m
1 stop
LHR3:05 pmLondon Heathrow
Nov 11
LHR8:15 pmLondon Heathrow
27h 15m
1 stop
SCL8:30 pmSantiago Arturo Merino Benitez
$980
Find similar
LATAM Airlines
Oct 21
SCL5:38 amSantiago Arturo Merino Benitez
29h 27m
2 stops
LHR3:05 pmLondon Heathrow
Nov 11
LHR11:25 amLondon Heathrow
22h 10m
2 stops
SCL6:35 amSantiago Arturo Merino Benitez
$984
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momondo Fare Finder

 
Customize your flight search to find flights from Santiago to London Heathrow Airport 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 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Santiago to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 10/12

12:55 am-3:35 pm

1 stop34h 40m

London Heathrow

Mon 10/20

10:05 pm-5:15 am

1 stop35h 10m

$891

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 10/25

6:25 pm-3:05 pm

2 stops40h 40m

London Heathrow

Wed 1/7

7:40 pm-9:20 am

1 stop16h 40m

$902

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 10/10

3:30 pm-3:35 pm

1 stop20h 05m

London Heathrow

Sat 11/15

9:40 pm-3:20 pm

1 stop20h 40m

$904

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 3/9

1:05 pm-9:15 am

1 stop17h 10m

London Heathrow

Mon 3/16

10:15 pm-9:50 am

Nonstop14h 35m

$943

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 2/28

1:05 pm-9:15 am

1 stop17h 10m

London Heathrow

Sat 5/23

9:55 pm-7:35 am

Nonstop14h 40m

$952

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 12/18

11:55 am-6:00 pm

1 stop27h 05m

London Heathrow

Fri 1/9

9:55 am-10:10 am

1 stop27h 15m

$973

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 11/2

10:45 pm-10:15 am

1 stop32h 30m

London Heathrow

Sat 11/15

7:40 am-8:50 am

2 stops28h 10m

$983

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 2/28

1:05 pm-9:15 am

1 stop17h 10m

London Heathrow

Sat 5/23

9:55 pm-7:35 am

Nonstop14h 40m

$985

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 11/7

10:45 pm-10:15 am

1 stop32h 30m

London Heathrow

Fri 11/14

10:00 am-8:50 am

1 stop25h 50m

$988

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 12/18

11:55 am-6:00 pm

1 stop27h 05m

London Heathrow

Fri 1/9

6:50 pm-10:10 am

1 stop18h 20m

$990

Flights are sorted by cheapest round-trip 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 Heathrow Airport

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 Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of March is, on average, the cheapest month to fly to London Heathrow Airport from Santiago, with most prices found around $933. If you’re not able to fly to London Heathrow Airport in March, then February is your next best option. Flight prices from Santiago to London Heathrow Airport during February average around $964.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,242. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $2,091.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Santiago to London Heathrow Airport in the evening for as low as $1,266. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,520.

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

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Santiago when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,144 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Santiago for as low as $1,005 on momondo.

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

There are 4 cabin classes available to choose from on Santiago Arturo Merino Benitez to London Heathrow 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 Heathrow Airport flights?

You could potentially save up to 36% on your flight if you consider stops on a Santiago to London Heathrow Airport flight.

How have Santiago to London Heathrow Airport flight prices changed over time?

As of September 2025, prices for Santiago to London Heathrow Airport flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Santiago to London Heathrow Airport

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

Cheap Santiago to London Heathrow Airport (SCL to LHR) flight deals and tips

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

Best Price Found

$836

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri and Sat
The best one-way flight to London Heathrow Airport from Santiago in the past 72 hours is $836. The best round-trip flight deal from Santiago to London Heathrow Airport found on momondo in the last 72 hours is $964.
The fastest flight from Santiago to London Heathrow Airport takes 14h 10m
Direct flights go from Santiago to London Heathrow Airport on Monday, Wednesday, Friday and Saturday. There are no airlines offering direct flights.
Search flight deals

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

    London Heathrow is 7234.5 mi away from Santiago Arturo Merino Benitez. Typically, this will take 14h 20m by plane in normal conditions.

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

    Prices for flights from Santiago Arturo Merino Benitez Airport to London Heathrow Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santiago Arturo Merino Benitez Airport to London Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Santiago to London Heathrow Airport

Compare and see reviews for airlines that fly from Santiago to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $787Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
Air FrancePriceFrom $880Free CancellationRating
7.4
1,468 reviews
Search Air France flights
British AirwaysPriceFrom $1,003Free CancellationRating
6.7
7,363 reviews
Search British Airways flights

  • British Airways Flights From Santiago to London Heathrow Airport

    British Airways flies from Santiago to London Heathrow Airport around 2 times per week, with 7,363 momondo users rating the airline 6.7/10. The cheapest British Airways deal from Santiago to London Heathrow Airport in the last 72 hours was $1,003 (round-trip), much lower than the average airfare cost of $1,472 for British Airways flights on this route.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Salisbury
Brentwood
Ilford
Folkestone
Colchester
Swindon
Stratford-upon-Avon
Watford

Why use momondo?

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

It is quick and easy to find Santiago to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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 for Santiago to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Santiago to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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