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Cheap flights from London Heathrow Airport to Santiago from £379

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 Heathrow Airport to Santiago departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Santiago

Cheap return flights

Air Canada Logo
18:00 - 12:15LHR-SCL
21h 15m1 stop
Air Canada Logo
20:55 - 11:20SCL-LHR
35h 25m1 stop
£730Air Canada
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Sun, 7 Dec - Wed, 7 Jan
Air Canada Logo
18:00 - 12:15LHR-SCL
21h 15m1 stop
Air Canada Logo
20:55 - 06:30SCL-LHR
30h 35m1 stop
£732Air Canada
Find Deal
Fri, 14 Nov - Wed, 19 Nov
Air Canada Logo
09:00 - 12:15LHR-SCL
30h 15m2 stops
Air Canada Logo
20:55 - 06:30SCL-LHR
30h 35m1 stop
£739Air Canada
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Tue, 4 Nov - Tue, 13 Jan
Air Canada Logo
09:00 - 07:00LHR-SCL
25h 00m2 stops
Air Canada Logo
20:55 - 06:30SCL-LHR
30h 35m1 stop
£741Air Canada
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Tue, 6 Jan - Wed, 4 Feb
LEVEL Logo
09:55 - 10:10LHR-SCL
27h 15m1 stop
LEVEL Logo
11:55 - 18:00SCL-LHR
27h 05m1 stop
£743LEVEL
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Fri, 21 Nov - Sat, 6 Dec
LATAM Airlines Logo
21:20 - 10:30LHR-SCL
18h 10m1 stop
LATAM Airlines Logo
17:25 - 14:05SCL-LHR
17h 40m1 stop
£778LATAM Airlines
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Mon, 1 Sep - Thu, 20 Nov
Air France Logo
17:35 - 09:40LHR-SCL
19h 05m1 stop
Air France Logo
12:05 - 13:45SCL-LHR
22h 40m1 stop
£782Air France
Find Deal
Thu, 20 Nov - Sat, 6 Dec
LATAM Airlines Logo
21:20 - 10:30LHR-SCL
18h 10m1 stop
LATAM Airlines Logo
15:00 - 14:05SCL-LHR
20h 05m1 stop
£790LATAM Airlines
Find Deal
Mon, 18 Aug - Tue, 18 Nov
Avianca Logo
22:05 - 13:25LHR-SCL
20h 20m1 stop
Avianca Logo
15:30 - 15:35SCL-LHR
20h 05m1 stop
£793Avianca
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Mon, 1 Sep - Wed, 24 Sep
Avianca Logo
22:05 - 23:30LHR-SCL
29h 25m1 stop
Avianca Logo
00:55 - 15:35SCL-LHR
34h 40m1 stop
£794Avianca
Find Deal
Mon, 15 Sep - Tue, 23 Sep

Avianca flights from London Heathrow Airport to Santiago

Our best Avianca deals on London Heathrow Airport to Santiago flight tickets
Avianca
1 Sept
LHR22:05London Heathrow
20h 20m
1 stop
SCL13:25Santiago Arturo Merino Benitez
24 Sept
SCL15:30Santiago Arturo Merino Benitez
20h 05m
1 stop
LHR15:35London Heathrow
£793
Find similar
Avianca
15 Sept
LHR22:05London Heathrow
29h 25m
1 stop
SCL23:30Santiago Arturo Merino Benitez
23 Sept
SCL00:55Santiago Arturo Merino Benitez
34h 40m
1 stop
LHR15:35London Heathrow
£794
Find similar
Avianca
10 Sept
LHR22:05London Heathrow
20h 20m
1 stop
SCL14:25Santiago Arturo Merino Benitez
24 Sept
SCL07:10Santiago Arturo Merino Benitez
28h 25m
1 stop
LHR15:35London Heathrow
£796
Find similar

United Airlines flights from London Heathrow Airport to Santiago

Our best United Airlines deals on London Heathrow Airport to Santiago flight tickets
United Airlines
25 Oct
LHR16:40London Heathrow
43h 10m
2 stops
SCL07:50Santiago Arturo Merino Benitez
23 Nov
SCL22:45Santiago Arturo Merino Benitez
28h 10m
2 stops
LHR05:55London Heathrow
£751
Find similar
United Airlines
12 Nov
LHR12:05London Heathrow
23h 45m
1 stop
SCL08:50Santiago Arturo Merino Benitez
5 Dec
SCL22:45Santiago Arturo Merino Benitez
29h 45m
1 stop
LHR07:30London Heathrow
£753
Find similar
United Airlines
1 Nov
LHR13:35London Heathrow
46h 15m
2 stops
SCL08:50Santiago Arturo Merino Benitez
17 Nov
SCL22:45Santiago Arturo Merino Benitez
32h 30m
1 stop
LHR10:15London Heathrow
£756
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 1 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Sun 7/12

18:00-12:15

1 stop21h 15m

Santiago Arturo Merino Benitez

Wed 7/1

20:55-11:20

1 stop35h 25m

£730

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Fri 14/11

18:00-12:15

1 stop21h 15m

Santiago Arturo Merino Benitez

Wed 19/11

20:55-06:30

1 stop30h 35m

£732

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 4/11

09:00-12:15

2 stops30h 15m

Santiago Arturo Merino Benitez

Tue 13/1

20:55-06:30

1 stop30h 35m

£739

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Tue 6/1

09:00-07:00

2 stops25h 00m

Santiago Arturo Merino Benitez

Wed 4/2

20:55-06:30

1 stop30h 35m

£741

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Fri 21/11

09:55-10:10

1 stop27h 15m

Santiago Arturo Merino Benitez

Sat 6/12

11:55-18:00

1 stop27h 05m

£743

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 1/9

21:20-10:30

1 stop18h 10m

Santiago Arturo Merino Benitez

Thu 20/11

17:25-14:05

1 stop17h 40m

£778

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Thu 20/11

17:35-09:40

1 stop19h 05m

Santiago Arturo Merino Benitez

Sat 6/12

12:05-13:45

1 stop22h 40m

£782

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 18/8

21:20-10:30

1 stop18h 10m

Santiago Arturo Merino Benitez

Tue 18/11

15:00-14:05

1 stop20h 05m

£790

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 1/9

22:05-13:25

1 stop20h 20m

Santiago Arturo Merino Benitez

Wed 24/9

15:30-15:35

1 stop20h 05m

£793

LondonSantiago

LHR - SCL

LHRSCL

London Heathrow

Mon 15/9

22:05-23:30

1 stop29h 25m

Santiago Arturo Merino Benitez

Tue 23/9

00:55-15:35

1 stop34h 40m

£794

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London Heathrow Airport 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, June is the cheapest month to fly from London Heathrow Airport to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £823. If you aren’t able to travel to Santiago during the month of June, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £832.

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

The cheapest day to depart from London Heathrow Airport to Santiago is on a Sunday when prices can be found for as low as £913. 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 £1,019.

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 Heathrow Airport to Santiago when you can find flight prices for as low as £770. 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 £934. 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 Heathrow to Santiago Arturo Merino Benitez flight route?

Fly from London Heathrow to Santiago Arturo Merino Benitez for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around £937 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 Heathrow Airport for as low as £793 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow 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.

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

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

When to book flights from London Heathrow Airport to Santiago

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

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

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

Best price found

£379

Fastest flight time

18h 10m

Direct flights

Tue, Thu, Fri and Sun

Airports in Santiago

1 airport
The best one-way flight to Santiago from London Heathrow Airport in the past 72 hours is £379. The best return flight deal from London Heathrow Airport to Santiago found on momondo in the last 72 hours is £730.
The fastest flight from London Heathrow Airport to Santiago takes 18h 10m
Direct flights go from London Heathrow Airport 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)
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  • How far is London Heathrow to Santiago Arturo Merino Benitez by plane?

    A flight from London Heathrow to Santiago Arturo Merino Benitez will travel around 7234.5 mi. 18h 10m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Santiago Arturo Merino Benitez Airport were last updated today.

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

  • How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport 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 required for your trip to Santiago Arturo Merino Benitez Airport 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 Santiago Arturo Merino Benitez Airport. 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 London Heathrow Airport to Santiago?

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

Best airlines flying from London Heathrow Airport to Santiago

Compare and see reviews for airlines that fly from London Heathrow Airport to Santiago with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £598Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
American AirlinesPriceFrom £647Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom £714Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
AviancaPriceFrom £717Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
Air FrancePriceFrom £750Free CancellationRating
7.5
1,465 reviews
Search Air France flights
British AirwaysPriceFrom £752Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £759Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
IberiaPriceFrom £791Free CancellationRating
7.0
2,859 reviews
Search Iberia flights

  • Finnair Flights From London Heathrow Airport to Santiago

    Finnair operates around 3 flights from London Heathrow Airport to Santiago every week. The average price of these flights found in the last 72 hours has been £1,115, but momondo users have found Finnair deals from London Heathrow Airport to Santiago from as low as £944 round-trip. Finnair has been scored 7.6/10 in 1,316 reviews.

  • Iberia Flights From London Heathrow Airport to Santiago

    Another popular option for London Heathrow Airport to Santiago flights is Iberia (7.0/10, 2,859 ratings). Iberia flies from London Heathrow Airport to Santiago around 3 times per week, with deals starting from £1,047 round-trip and rising to an average price of around £1,514.

Travelling to a place near Santiago?

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

Why use momondo?

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

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

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

Yes. All flights to Santiago from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Santiago from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to Santiago 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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