Cheap flights from Santiago to London from $438

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 3/1. 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

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 pm - 5:55 am
SCL
-
LHR
52h 10m
2 stops
United Airlines Logo
11:10 am - 7:50 am
LHR
-
SCL
47h 40m
2 stops
$847United Airlines
Thu, Mar 5 - Sun, Mar 8
Multiple Airlines Logo
9:40 pm - 2:05 pm
SCL
-
LHR
37h 25m
1 stop
Multiple Airlines Logo
1:40 pm - 8:50 am
LHR
-
SCL
22h 10m
2 stops
$942Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
LATAM Airlines Logo
9:40 pm - 2:05 pm
SCL
-
LHR
37h 25m
1 stop
LATAM Airlines Logo
8:15 pm - 9:55 pm
LHR
-
SCL
28h 40m
1 stop
$952LATAM Airlines
Tue, Mar 3 - Tue, Mar 10
Avianca Logo
12:30 am - 3:35 pm
SCL
-
LHR
34h 05m
1 stop
Avianca Logo
10:05 pm - 2:15 pm
LHR
-
SCL
21h 10m
1 stop
$967Avianca
Sun, May 3 - Wed, May 27
United Airlines Logo
10:45 pm - 5:55 am
SCL
-
LHR
28h 10m
2 stops
United Airlines Logo
12:05 pm - 7:50 am
LHR
-
SCL
22h 45m
1 stop
$978United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
10:45 pm - 7:30 am
SCL
-
LHR
29h 45m
1 stop
United Airlines Logo
10:00 am - 7:50 am
LHR
-
SCL
24h 50m
1 stop
$979United Airlines
Sun, Feb 22 - Thu, Mar 19
British Airways Logo
1:05 pm - 7:00 pm
SCL
-
LGW
26h 55m
1 stop
British Airways Logo
11:30 am - 7:25 am
LGW
-
SCL
24h 55m
1 stop
$1,086British Airways
Fri, Mar 13 - Thu, Apr 16
LEVEL Logo
11:55 am - 8:15 pm
SCL
-
LGW
29h 20m
1 stop
LEVEL Logo
7:10 am - 8:45 am
LGW
-
SCL
30h 35m
1 stop
$1,089LEVEL
Tue, Mar 24 - Wed, Apr 15
British Airways Logo
1:05 pm - 7:00 pm
SCL
-
LGW
26h 55m
1 stop
British Airways Logo
8:40 pm - 7:25 am
LGW
-
SCL
39h 45m
1 stop
$1,097British Airways
Fri, Mar 13 - Tue, Apr 14
LEVEL Logo
10:30 am - 11:10 pm
SCL
-
LGW
31h 40m
1 stop
LEVEL Logo
2:30 pm - 8:45 am
LGW
-
SCL
23h 15m
1 stop
$1,119LEVEL
Thu, Apr 23 - Mon, Apr 27

LATAM Airlines flights from Santiago to London

Our best LATAM Airlines deals on Santiago to London flight tickets
LATAM Airlines
Mar 3
SCL9:40 pmSantiago Arturo Merino Benitez
37h 25m
1 stop
LHR2:05 pmLondon Heathrow
Mar 10
LHR8:15 pmLondon Heathrow
28h 40m
1 stop
SCL9:55 pmSantiago Arturo Merino Benitez
$952
LATAM Airlines
Mar 1
SCL6:40 pmSantiago Arturo Merino Benitez
16h 25m
1 stop
LHR2:05 pmLondon Heathrow
Mar 16
LHR8:15 pmLondon Heathrow
18h 25m
1 stop
SCL11:40 amSantiago Arturo Merino Benitez
$1,011
LATAM Airlines
Mar 1
SCL1:40 pmSantiago Arturo Merino Benitez
21h 25m
1 stop
LHR2:05 pmLondon Heathrow
Mar 21
LHR6:15 pmLondon Heathrow
29h 15m
2 stops
SCL8:30 pmSantiago Arturo Merino Benitez
$1,073

United Airlines flights from Santiago to London

Our best United Airlines deals on Santiago to London flight tickets
United Airlines
Mar 5
SCL10:45 pmSantiago Arturo Merino Benitez
52h 10m
2 stops
LHR5:55 amLondon Heathrow
Mar 8
LHR11:10 amLondon Heathrow
47h 40m
2 stops
SCL7:50 amSantiago Arturo Merino Benitez
$847
United Airlines
Mar 2
SCL10:45 pmSantiago Arturo Merino Benitez
28h 10m
2 stops
LHR5:55 amLondon Heathrow
Mar 9
LHR12:05 pmLondon Heathrow
22h 45m
1 stop
SCL7:50 amSantiago Arturo Merino Benitez
$978
United Airlines
Feb 22
SCL10:45 pmSantiago Arturo Merino Benitez
29h 45m
1 stop
LHR7:30 amLondon Heathrow
Mar 19
LHR10:00 amLondon Heathrow
24h 50m
1 stop
SCL7:50 amSantiago Arturo Merino Benitez
$979

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 3, 2026.
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

Thu 3/5

10:45 pm-5:55 am

2 stops52h 10m

London Heathrow

Sun 3/8

11:10 am-7:50 am

2 stops47h 40m

$847

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 3/3

9:40 pm-2:05 pm

1 stop37h 25m

London Heathrow

Tue 3/10

1:40 pm-8:50 am

2 stops22h 10m

$942

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 3/3

9:40 pm-2:05 pm

1 stop37h 25m

London Heathrow

Tue 3/10

8:15 pm-9:55 pm

1 stop28h 40m

$952

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 5/3

12:30 am-3:35 pm

1 stop34h 05m

London Heathrow

Wed 5/27

10:05 pm-2:15 pm

1 stop21h 10m

$967

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 3/2

10:45 pm-5:55 am

2 stops28h 10m

London Heathrow

Mon 3/9

12:05 pm-7:50 am

1 stop22h 45m

$978

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sun 2/22

10:45 pm-7:30 am

1 stop29h 45m

London Heathrow

Thu 3/19

10:00 am-7:50 am

1 stop24h 50m

$979

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Fri 3/13

1:05 pm-7:00 pm

1 stop26h 55m

London Gatwick

Thu 4/16

11:30 am-7:25 am

1 stop24h 55m

$1,086

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Tue 3/24

11:55 am-8:15 pm

1 stop29h 20m

London Gatwick

Wed 4/15

7:10 am-8:45 am

1 stop30h 35m

$1,089

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Fri 3/13

1:05 pm-7:00 pm

1 stop26h 55m

London Gatwick

Tue 4/14

8:40 pm-7:25 am

1 stop39h 45m

$1,097

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Thu 4/23

10:30 am-11:10 pm

1 stop31h 40m

London Gatwick

Mon 4/27

2:30 pm-8:45 am

1 stop23h 15m

$1,119

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

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 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 $910, 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 $912.

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

The cheapest day to depart from Santiago to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $1,242. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,515. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Santiago in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,366 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $1,458. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,160 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Santiago for as low as $999 on momondo.

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

There are 4 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 30% 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 February 2026, prices for Santiago to London flights are approximately 12% more expensive 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 round-trip 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

$636

Fastest flight time

14h 10m

Direct flights

Mon, Wed, Fri and Sat

Airports in London

6 airports
The best one-way flight to London from Santiago in the past 72 hours is $636. The best round-trip flight deal from Santiago to London found on momondo in the last 72 hours is $1,355.
The fastest flight from Santiago to London takes 14h 10m
Direct flights go from Santiago to London on Monday, Wednesday, Friday and Saturday. There are no airlines offering direct flights.
There are 6 airports in London. From Santiago there are direct flights to London Heathrow (LHR).
  • How far is Santiago Arturo Merino Benitez to London by plane?

    The straight-line distance from Santiago Arturo Merino Benitez to London is 7247.2 mi. 14h 10m is a normal flight duration for this route.

  • 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 refresh 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 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.

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

    The necessary travel and health documents for your London 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?

  • 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 $787Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights
British AirwaysPriceFrom $993Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
  • British Airways Flights From Santiago to London

    British Airways operates around 3 flights from Santiago to London every week. The average price of these flights found in the last 72 hours has been $1,326, but momondo users have found British Airways deals from Santiago to London from as low as $993 round-trip. British Airways has been scored 6.7/10 in 7,711 reviews.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Santiago.

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

All flight searches from Santiago to London on momondo can be filtered to show those which offer 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?

Price alerts on flights to London from Santiago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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1 adult
Thu 3/5
Thu 3/12

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