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Cheap flights from Santiago to London from $395

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 12/4. 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

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Avianca Logo
1:35 am - 2:35 pmSCL-LHR
34h 00m1 stop
Avianca Logo
10:05 pm - 10:30 pmLHR-SCL
29h 25m1 stop
$889Avianca
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Mon, Feb 23 - Thu, Aug 20
LATAM Airlines Logo
9:00 pm - 5:15 pmSCL-LHR
17h 15m1 stop
LATAM Airlines Logo
7:05 pm - 3:30 pmLHR-SCL
23h 25m2 stops
$895LATAM Airlines
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Tue, Dec 2 - Wed, Dec 31
Multiple Airlines Logo
6:10 am - 12:20 pmSCL-LGW
25h 10m2 stops
Multiple Airlines Logo
8:10 am - 4:15 amLGW-SCL
25h 05m2 stops
$896Multiple Airlines
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Sun, Apr 12 - Sat, Apr 25
Air Canada Logo
8:55 pm - 7:10 amSCL-LHR
31h 15m2 stops
Air Canada Logo
6:00 pm - 12:15 pmLHR-SCL
21h 15m1 stop
$910Air Canada
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Thu, Jan 29 - Fri, Feb 27
Multiple Airlines Logo
6:10 am - 2:45 pmSCL-LGW
27h 35m2 stops
Multiple Airlines Logo
7:10 am - 4:15 amLGW-SCL
26h 05m2 stops
$916Multiple Airlines
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Wed, Apr 29 - Fri, May 8
Air Canada Logo
8:25 am - 7:10 amSCL-LHR
19h 45m1 stop
Air Canada Logo
11:10 am - 12:15 pmLHR-SCL
28h 05m1 stop
$918Air Canada
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Fri, Dec 26 - Fri, Jan 30
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
$941British Airways
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Thu, Mar 5 - Thu, Mar 12
Iberia Logo
10:20 pm - 8:00 pmSCL-LGW
16h 40m1 stop
Iberia Logo
11:35 am - 7:25 amLGW-SCL
24h 50m1 stop
$947Iberia
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Fri, Apr 24 - Thu, May 14
British Airways Logo
10:20 pm - 7:10 pmSCL-LHR
15h 50m1 stop
British Airways Logo
9:55 pm - 7:30 amLHR-SCL
14h 35mnonstop
$948British Airways
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Fri, Apr 24 - Thu, May 14
Iberia Logo
10:20 pm - 7:10 pmSCL-LHR
15h 50m1 stop
Iberia Logo
7:10 pm - 7:25 amLHR-SCL
17h 15m1 stop
$951Iberia
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Fri, Apr 24 - Thu, May 14

Avianca flights from Santiago to London

Our best Avianca deals on Santiago to London flight tickets
Avianca
Feb 23
SCL1:35 amSantiago Arturo Merino Benitez
34h 00m
1 stop
LHR2:35 pmLondon Heathrow
Aug 20
LHR10:05 pmLondon Heathrow
29h 25m
1 stop
SCL10:30 pmSantiago Arturo Merino Benitez
$889
Find similar
Avianca
Nov 6
SCL1:35 amSantiago Arturo Merino Benitez
34h 00m
1 stop
LHR2:35 pmLondon Heathrow
Nov 20
LHR9:40 pmLondon Heathrow
20h 40m
1 stop
SCL3:20 pmSantiago Arturo Merino Benitez
$898
Find similar
Avianca
Nov 8
SCL1:35 amSantiago Arturo Merino Benitez
34h 00m
1 stop
LHR2:35 pmLondon Heathrow
Nov 13
LHR9:40 pmLondon Heathrow
34h 50m
1 stop
SCL5:30 amSantiago Arturo Merino Benitez
$1,026
Find similar

United Airlines flights from Santiago to London

Our best United Airlines deals on Santiago to London flight tickets
United Airlines
Nov 14
SCL10:45 pmSantiago Arturo Merino Benitez
28h 10m
2 stops
LHR5:55 amLondon Heathrow
Dec 6
LHR10:25 amLondon Heathrow
25h 25m
2 stops
SCL8:50 amSantiago Arturo Merino Benitez
$980
Find similar
United Airlines
Nov 10
SCL10:45 pmSantiago Arturo Merino Benitez
28h 10m
2 stops
LHR5:55 amLondon Heathrow
Dec 3
LHR1:35 pmLondon Heathrow
46h 15m
2 stops
SCL8:50 amSantiago Arturo Merino Benitez
$1,033
Find similar
United Airlines
Mar 7
SCL9:45 pmSantiago Arturo Merino Benitez
30h 45m
1 stop
LHR7:30 amLondon Heathrow
Mar 10
LHR7:25 amLondon Heathrow
27h 25m
2 stops
SCL7:50 amSantiago Arturo Merino Benitez
$1,087
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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 November 3, 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

Mon 2/23

1:35 am-2:35 pm

1 stop34h 00m

London Heathrow

Thu 8/20

10:05 pm-10:30 pm

1 stop29h 25m

$889

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 12/2

9:00 pm-5:15 pm

1 stop17h 15m

London Heathrow

Wed 12/31

7:05 pm-3:30 pm

2 stops23h 25m

$895

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Sun 4/12

6:10 am-12:20 pm

2 stops25h 10m

London Gatwick

Sat 4/25

8:10 am-4:15 am

2 stops25h 05m

$896

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 1/29

8:55 pm-7:10 am

2 stops31h 15m

London Heathrow

Fri 2/27

6:00 pm-12:15 pm

1 stop21h 15m

$910

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Wed 4/29

6:10 am-2:45 pm

2 stops27h 35m

London Gatwick

Fri 5/8

7:10 am-4:15 am

2 stops26h 05m

$916

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 12/26

8:25 am-7:10 am

1 stop19h 45m

London Heathrow

Fri 1/30

11:10 am-12:15 pm

1 stop28h 05m

$918

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Thu 3/5

1:05 pm-9:15 am

1 stop17h 10m

London Heathrow

Thu 3/12

10:15 pm-9:50 am

Nonstop14h 35m

$941

SantiagoLondon

SCL - LGW

SCLLGW

Santiago Arturo Merino Benitez

Fri 4/24

10:20 pm-8:00 pm

1 stop16h 40m

London Gatwick

Thu 5/14

11:35 am-7:25 am

1 stop24h 50m

$947

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 4/24

10:20 pm-7:10 pm

1 stop15h 50m

London Heathrow

Thu 5/14

9:55 pm-7:30 am

Nonstop14h 35m

$948

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Fri 4/24

10:20 pm-7:10 pm

1 stop15h 50m

London Heathrow

Thu 5/14

7:10 pm-7:25 am

1 stop17h 15m

$951

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 $867, 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 $921.

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 $1,239. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,616. 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 evening is the least expensive time of day to depart. momondo users have found prices as low as $1,119 when looking at flights departing in the evening. Flights to London are more costly in the morning, with an average ticket price of $1,366. Departure times in the morning 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 $1,135 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 $961 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 36% 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 November 2025, prices for Santiago to London flights are approximately 25% 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

$837

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 $837. The best round-trip flight deal from Santiago to London found on momondo in the last 72 hours is $916.
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 is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • 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
1,873 reviews
Search LATAM Airlines flights
Air FrancePriceFrom $880Free CancellationRating
7.4
1,482 reviews
Search Air France flights
British AirwaysPriceFrom $993Free CancellationRating
6.7
7,494 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 $1,254, 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 7,494 reviews.

Traveling to a place near London?

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

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.

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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