Cheap flights from London to Santiago from £365

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Santiago departing on 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to Santiago

Cheap return flights

United Airlines Logo
06:30 - 08:50LHR-SCL
29h 20m2 stops
United Airlines Logo
22:45 - 06:40SCL-LHR
28h 55m2 stops
£750United Airlines
Find Deal
ter, 4 nov - dom, 16 nov
United Airlines Logo
05:30 - 07:50LHR-SCL
29h 20m2 stops
United Airlines Logo
22:45 - 10:15SCL-LHR
32h 30m1 stop
£751United Airlines
Find Deal
dom, 2 nov - dom, 16 nov
LATAM Airlines Logo
19:40 - 15:30LGW-SCL
22h 50m2 stops
LATAM Airlines Logo
18:30 - 19:00SCL-LGW
21h 30m2 stops
£825LATAM Airlines
Find Deal
sex, 6 fev - qua, 25 fev
LATAM Airlines Logo
19:40 - 14:05LGW-SCL
21h 25m2 stops
LATAM Airlines Logo
16:00 - 19:00SCL-LGW
24h 00m1 stop
£827LATAM Airlines
Find Deal
qui, 29 jan - dom, 1 mar
American Airlines Logo
10:40 - 07:55LGW-SCL
25h 15m2 stops
American Airlines Logo
21:55 - 08:10SCL-LGW
30h 15m2 stops
£850American Airlines
Find Deal
qui, 25 set - seg, 6 out
American Airlines Logo
12:20 - 07:55LGW-SCL
23h 35m2 stops
American Airlines Logo
21:55 - 06:35SCL-LGW
28h 40m2 stops
£852American Airlines
Find Deal
seg, 29 set - seg, 13 out
British Airways Logo
19:40 - 09:20LGW-SCL
16h 40m1 stop
British Airways Logo
23:55 - 19:00SCL-LGW
16h 05m1 stop
£855British Airways
Find Deal
ter, 6 jan - qua, 4 fev
Iberia Logo
19:40 - 09:20LGW-SCL
16h 40m1 stop
Iberia Logo
23:55 - 19:00SCL-LGW
16h 05m1 stop
£857Iberia
Find Deal
ter, 17 fev - ter, 10 mar
British Airways Logo
07:50 - 22:15LCY-SCL
17h 25m1 stop
British Airways Logo
13:05 - 08:50SCL-LCY
16h 45m1 stop
£874British Airways
Find Deal
sex, 30 jan - qui, 5 mar
Iberia Logo
19:15 - 09:20LCY-SCL
17h 05m1 stop
Iberia Logo
13:05 - 08:50SCL-LCY
16h 45m1 stop
£991Iberia
Find Deal
seg, 26 jan - ter, 10 fev

Avianca flights from London to Santiago

Our best Avianca deals on London to Santiago flight tickets
Avianca
3 Feb
LHR21:40London Heathrow
29h 50m
1 stop
SCL00:30Santiago Arturo Merino Benitez
24 Feb
SCL01:35Santiago Arturo Merino Benitez
34h 00m
1 stop
LHR14:35London Heathrow
Avianca
12 Nov
LHR21:40London Heathrow
34h 50m
1 stop
SCL05:30Santiago Arturo Merino Benitez
10 Mar
SCL01:35Santiago Arturo Merino Benitez
34h 00m
1 stop
LHR14:35London Heathrow
Avianca
3 Feb
LHR21:40London Heathrow
20h 40m
1 stop
SCL15:20Santiago Arturo Merino Benitez
25 Feb
SCL07:25Santiago Arturo Merino Benitez
28h 10m
1 stop
LHR14:35London Heathrow

United Airlines flights from London to Santiago

Our best United Airlines deals on London to Santiago flight tickets
United Airlines
4 Nov
LHR06:30London Heathrow
29h 20m
2 stops
SCL08:50Santiago Arturo Merino Benitez
16 Nov
SCL22:45Santiago Arturo Merino Benitez
28h 55m
2 stops
LHR06:40London Heathrow
United Airlines
2 Nov
LHR05:30London Heathrow
29h 20m
2 stops
SCL07:50Santiago Arturo Merino Benitez
16 Nov
SCL22:45Santiago Arturo Merino Benitez
32h 30m
1 stop
LHR10:15London Heathrow
United Airlines
6 Nov
LHR13:30London Heathrow
46h 20m
2 stops
SCL08:50Santiago Arturo Merino Benitez
28 Nov
SCL22:45Santiago Arturo Merino Benitez
29h 45m
1 stop
LHR07:30London Heathrow

momondo Fare Finder

 
Customise your flight search to find flights from London to Santiago 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 12 setembro 2025.
Use the filters below to find and compare flights from London to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

ter 4/11

06:30-08:50

2 stops29h 20m

Santiago Arturo Merino Benitez

dom 16/11

22:45-06:40

2 stops28h 55m

£750

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

dom 2/11

05:30-07:50

2 stops29h 20m

Santiago Arturo Merino Benitez

dom 16/11

22:45-10:15

1 stop32h 30m

£751

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

sex 6/2

19:40-15:30

2 stops22h 50m

Santiago Arturo Merino Benitez

qua 25/2

18:30-19:00

2 stops21h 30m

£825

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

qui 29/1

19:40-14:05

2 stops21h 25m

Santiago Arturo Merino Benitez

dom 1/3

16:00-19:00

1 stop24h 00m

£827

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

qui 25/9

10:40-07:55

2 stops25h 15m

Santiago Arturo Merino Benitez

seg 6/10

21:55-08:10

2 stops30h 15m

£850

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

seg 29/9

12:20-07:55

2 stops23h 35m

Santiago Arturo Merino Benitez

seg 13/10

21:55-06:35

2 stops28h 40m

£852

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

ter 6/1

19:40-09:20

1 stop16h 40m

Santiago Arturo Merino Benitez

qua 4/2

23:55-19:00

1 stop16h 05m

£855

LondonSantiago

LGW - SCL

LGWSCL

London Gatwick

ter 17/2

19:40-09:20

1 stop16h 40m

Santiago Arturo Merino Benitez

ter 10/3

23:55-19:00

1 stop16h 05m

£857

LondonSantiago

LCY - SCL

LCYSCL

London City

sex 30/1

07:50-22:15

1 stop17h 25m

Santiago Arturo Merino Benitez

qui 5/3

13:05-08:50

1 stop16h 45m

£874

LondonSantiago

LCY - SCL

LCYSCL

London City

seg 26/1

19:15-09:20

1 stop17h 05m

Santiago Arturo Merino Benitez

ter 10/2

13:05-08:50

1 stop16h 45m

£991

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Santiago from

How to get the cheapest flight ticket from London to Santiago

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 Santiago?

In general, March is the cheapest month to fly from London to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £800. If you aren’t able to travel to Santiago during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of £813.

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

The cheapest day to depart from London to Santiago is on a Wednesday when prices can be found for as low as £898. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Tuesday is £1,014.

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

At midday is the cheapest time of day to fly from London to Santiago when you can find flight prices for as low as £752. Flying to Santiago at midday is an ideal time because this is during off-peak travel hours. Flights to Santiago are more costly in the evening, with an average ticket price of £921. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Santiago from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around £916 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from London for as low as £782 on momondo.

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

There are 3 cabin classes available to choose from on London to Santiago Arturo Merino Benitez 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 London to Santiago flights?

You could potentially save up to 5% on your flight if you consider stops on a London to Santiago flight.

How have London to Santiago flight prices changed over time?

As of September 2025, prices for London to Santiago flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from London to Santiago

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

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

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

Best price found

£717

Fastest flight time

14h 35m

Direct flights

Tue, Thu, Fri and Sun

Airports in Santiago

1 airport
The best one-way flight to Santiago from London in the past 72 hours is £717. The best return flight deal from London to Santiago found on momondo in the last 72 hours is £914.
The fastest flight from London to Santiago takes 14h 35m
Direct flights go from London to Santiago on Tuesday, Thursday, Friday and Sunday. Airline offering direct flights is British Airways..
There is 1 airport near Santiago: Santiago Arturo Merino Benitez (SCL)
  • How far is London to Santiago Arturo Merino Benitez by plane?

    The distance between London and Santiago Arturo Merino Benitez is about 7247.2 mi. 16h 35m is a normal flight duration for this route.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Santiago Arturo Merino Benitez Airport.

  • What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?

    The travel and health documents you'll need for your trip to Santiago Arturo Merino Benitez Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from London to Santiago

Compare and see reviews for airlines that fly from London to Santiago with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £584Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom £632Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
AviancaPriceFrom £697Free CancellationRating
6.7
2,436 reviews
Search Avianca flights
FinnairPriceFrom £713Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
British AirwaysPriceFrom £737Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £739Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
Air FrancePriceFrom £741Free CancellationRating
7.4
1,469 reviews
Search Air France flights
IberiaPriceFrom £785Free CancellationRating
7.0
2,929 reviews
Search Iberia flights
  • Finnair Flights From London to Santiago

    Finnair is one of the most popular airlines flying from London to Santiago, operating 3 flights/week on average for this route. A good Finnair flight deal for London to Santiago starts from £965 round-trip, up to an average price of £1,193. Our users have rated Finnair at 7.6/10.

  • Iberia Flights From London to Santiago

    The best Iberia deal for London to Santiago flight tickets found on momondo in the last 72 hours was £1,064, round-trip. It should be noted that an average Iberia flight deal for this route in this time was higher, at £1,545 round-trip. Iberia operates 3 flights out of London into Santiago in an average week, so prices vary by time and availability. 2,929 Iberia reviews by users on momondo have scored the airline at 7.0/10.

Travelling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Santa Cruz
Viña del Mar

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Santiago . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to Santiago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for London to Santiago 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 London to Santiago right now. Can momondo alert me if prices change?

Price alerts on flights to Santiago from London 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 Santiago trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
dom 12/10
dom 19/10

Find better results for your trip to Chile