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Cheap flights from Santiago to London Heathrow Airport from £353

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — LHR
26 Feb — 5 Mar1
1 adult

The best prices from Santiago Arturo Merino Benitez to London Heathrow are usually found in March or November, booked 65 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Santiago to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£684

One-way from

£353

Popular in

September

Cheapest in

March

Average price

£763

Good round-trip deal

£764 or less

Good one-way deal

£474 or less
KLM
  • KLM
  • 17/3-28/3
  • 3 total stops
  • 62h 10m total
  • Santiago to London
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Avianca
  • Avianca
  • 3/3
  • 1 total stop
  • 20h 10m total
  • Santiago to London
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Highest demand for flights based on searches. 7% potential increase in price (£60 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Santiago Arturo Merino Benitez to London Heathrow.
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Price to beat on a one-way flight from Santiago Arturo Merino Benitez to London Heathrow.
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Find flight deals from Santiago to Heathrow

Cheapest flights from Santiago to Heathrow
Explore the most affordable flight options available from Santiago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Wed 12/312:10SCL - LHR
1 stop22h 35mAir France
Sat 22/311:30LHR - SCL
1 stop25h 20mAir France
Deal found 20/2£677
Mon 17/312:10SCL - LHR
1 stop22h 35mMultiple Airlines
Fri 28/320:25LHR - SCL
2 stops39h 35mMultiple Airlines
Deal found 20/2£684
Mon 22/920:00SCL - LHR
1 stop18h 15mIberia
Tue 7/1007:45LHR - SCL
1 stop17h 50mIberia
Deal found 19/2£688
Fri 14/1115:30SCL - LHR
2 stops19h 35mLATAM Airlines
Sat 6/1213:25LHR - SCL
2 stops28h 50mLATAM Airlines
Deal found 20/2£690
Mon 17/300:30SCL - LHR
1 stop18h 40mBritish Airways
Tue 8/416:20LHR - SCL
1 stop20h 04mBritish Airways
Deal found 20/2£696
Wed 19/312:10SCL - LHR
2 stops19h 35mKLM
Sat 29/314:05LHR - SCL
2 stops21h 55mKLM
Deal found 20/2£703
Tue 4/315:25SCL - LHR
1 stop20h 10mAvianca
Thu 20/321:40LHR - SCL
1 stop19h 40mAvianca
Deal found 20/2£745
Tue 11/321:45SCL - LHR
2 stops34h 20mUnited Airlines
Mon 17/312:45LHR - SCL
1 stop22h 05mUnited Airlines
Deal found 20/2£762
Thu 27/1120:50SCL - LHR
1 stop30h 40mAir Canada
Sun 7/1211:10LHR - SCL
1 stop28h 00mAir Canada
Deal found 19/2£784

Find flights from Santiago to Heathrow within your budget

Customise your flight search to find flights from Santiago to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Santiago

Fly to

Heathrow

Route

Depart

Return

Price

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 17/3

12:10-13:45

1 stop22h 35m

London Heathrow

Fri 28/3

20:25-09:00

2 stops39h 35m

£684

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 18/3

01:40-14:20

1 stop33h 40m

London Heathrow

Wed 26/3

18:45-09:20

1 stop17h 35m

£693

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 17/3

00:30-22:10

1 stop18h 40m

London Heathrow

Tue 8/4

16:20-07:24

1 stop20h 04m

£696

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Wed 19/3

12:10-10:45

2 stops19h 35m

London Heathrow

Sat 29/3

14:05-09:00

2 stops21h 55m

£700

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Mon 17/3

12:10-13:45

1 stop22h 35m

London Heathrow

Tue 1/4

17:35-08:45

1 stop19h 10m

£710

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 18/3

00:30-08:25

1 stop28h 55m

London Heathrow

Sat 29/3

19:40-21:35

1 stop28h 55m

£731

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 4/3

15:25-14:35

1 stop20h 10m

London Heathrow

Thu 20/3

21:40-14:20

1 stop19h 40m

£745

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Tue 11/3

21:45-10:50

1 stop34h 05m

London Heathrow

Mon 17/3

12:45-07:50

1 stop22h 05m

£762

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 5/4

23:55-06:35

2 stops26h 40m

London Heathrow

Sat 12/4

14:05-13:25

2 stops28h 20m

£822

SantiagoLondon

SCL - LHR

SCLLHR

Santiago Arturo Merino Benitez

Sat 8/3

23:15-15:05

1 stop36h 50m

London Heathrow

Sat 22/3

22:30-21:15

1 stop25h 45m

£838

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 19 results
1
2

Best time to book a flight from Santiago to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Santiago with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Santiago to Heathrow

Get recent, data-driven insights about flights from Santiago to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Santiago to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Santiago to Heathrow. Price data was last updated on 14 February 2025.

The best time to book flights from Santiago to London Heathrow Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Santiago to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Santiago to London Heathrow Airport (average of £112). Flying from Santiago to London Heathrow Airport in August is currently the most expensive (average of £163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SCL to LHR?

Find hourly flight availability from Santiago to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

It’s optimal to fly from Santiago to London Heathrow Airport in the evening. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the morning.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 21 February 2025.
To help decide which airline to fly from Santiago to London, see what other customers have to say about KLM, LATAM Airlines and Aeromexico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LATAM Airlines
7.5
Good
1,794 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aeromexico
7.5
Good
1,771 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,449 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,760 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Santiago to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santiago to London Heathrow?

    Santiago Arturo Merino Benitez (SCL) is the airport you will fly out of if you book a flight from Santiago to London Heathrow. You should not have trouble finding flights to London Heathrow from Arturo Merino Benitez; the airport handles an average of 1 outbound flight to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Santiago airport to London Heathrow. It is only a 8.4 mi journey to Arturo Merino Benitez (SCL) from Santiago’s city center.

  • What are the cheapest airlines flying from Santiago to London Heathrow Airport round-trip?

    According to our current data, LATAM Airlines (£693), British Airways (£696), and KLM (£700) offers the cheapest pricing from Santiago to London Heathrow Airport. Users have found that LATAM Airlines is 23% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Santiago to London Heathrow Airport one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as £353. Users have also found prices from £429 and £453 on United Airlines and LATAM Airlines, respectively.

  • What are the cheapest flights from Santiago to London Heathrow Airport?

    On average you can expect to pay £690 for a flight from Santiago to London Heathrow Airport. The cheapest flight overall is £462 while the most popular route, (Santiago Arturo Merino Benitez - London Heathrow) is currently priced at £683.

  • Can I find deals for flights from Santiago to Heathrow that include hotel bookings?

    Yes. In addition to deals on Santiago to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Santiago to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago to Heathrow.

  • Can I find deals for business class flights from Santiago to Heathrow?

    Yes. Cheapflights offers flight deals from Santiago to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santiago to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Santiago to London Heathrow Airport (average of £112). Flying from Santiago to London Heathrow Airport in August is currently the most expensive (average of £163). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Deal
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Croydon
Gatwick
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Hayes
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Northampton
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Crawley
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Watford

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Alternative routes for Santiago to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Santiago to Gatwick flights
Santiago to Stansted flights
Santiago to Luton flights
Punta Arenas to Heathrow flights

Top 3 airlines flying from Santiago to Heathrow

Discover the top 3 airlines that operate flights from Santiago to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£647Average£1,091FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
IberiaCheapest£747Average£841FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£763Average£956FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Santiago to Heathrow?

When you search for this flight from Santiago to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Santiago to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Santiago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Santiago to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Santiago? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Santiago to Heathrow become cheaper?

Yes! Start tracking prices for Santiago to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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