Q: What is the typical price of a round-trip flight between Santiago and London Heathrow Airport?

Prices are currently low for flights on this route. Typical prices usually range from £752 to £929. The lowest price recently found on this route was £624.

Question 1

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Santiago when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £857 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Santiago for as low as £725 on momondo.

Question 2

Which stopover airport offers the lowest fares from Santiago to London Heathrow Airport?

Accepted Answer

Flights via Madrid (MAD) offer the lowest average return price of £697.

Question 3

Which airport is the most popular for stopovers for flights between Santiago and London Heathrow Airport?

Accepted Answer

Madrid (MAD) was the most common stop: 43% of momondo users choosing one-stop flights on this route connected there.

Question 4

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

Accepted Answer

There are 3 cabin classes available to choose from on Santiago Arturo Merino Benitez to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 5

Which airline has the best punctuality record on Santiago to London flights?

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Question 6

How many flights depart from Santiago to London Heathrow Airport on average per week?

Accepted Answer

9 flights are operational weekly from Santiago to London Heathrow Airport as of December 2025. The most popular departure day for this route is Tue, with 33% of flights per week taking off on this day.

Question 7

What is the cheapest airline that flies from Santiago Arturo Merino Benitez to London Heathrow?

Accepted Answer

United Airlines and Avianca are the most popular carriers operating from Santiago Arturo Merino Benitez to London Heathrow

Question 8

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 9

What is the typical price of a round-trip flight between Santiago and London Heathrow Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £752 to £929.
The lowest price recently found on this route was £624.

Question 10

How often are flights from Santiago to London delayed?

Accepted Answer

Historically, on average around 11% of flights between Santiago and London have experienced a delay on any given week. The average delay length over the past 12 months has been 67 minutes.

Question 11

How many flights depart from Santiago to London Heathrow Airport on average per day?

Accepted Answer

1 flights are operational daily from Santiago to London Heathrow Airport as of December 2025. The most popular departure time for this route is 13:00, with 100% of flights per day taking off in the afternoon.

Question 12

What is the most punctual flight time for Santiago to London flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 13

Can stopping save me money on Santiago to London Heathrow Airport flights?

Accepted Answer

You could potentially save up to 37% on your flight if you consider stops on a Santiago to London Heathrow Airport flight.

Question 14

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

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Santiago to London Heathrow Airport in the evening for as low as £793. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £1,075 on average. Flights to London Heathrow Airport from Santiago in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 15

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

Accepted Answer

As of December 2025, prices for Santiago to London Heathrow Airport flights are approximately 29% cheaper when compared to flights at the same time last year.

Question 16

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

Accepted Answer

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

Question 17

Which stopover airport has the shortest travel time from Santiago to London Heathrow Airport?

Accepted Answer

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 17h 40m.

Question 18

Which airlines fly to London Heathrow Airport?

Accepted Answer

Iberia, British Airways and LATAM Airlines are the top three most popular airlines that fly to London Heathrow Airport from Santiago according to our data. Iberia is the first choice among our users, with 42% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 19

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

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Santiago is on a Monday. momondo users have found tickets for Monday departures for as low as £802. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £1,075.

Question 20

Which stopover airport has the shortest connection time from Santiago to London Heathrow Airport?

Accepted Answer

Paris (CDG) has the shortest average stopover time for this route: 1h 53m.

Question 21

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, March is the cheapest month to fly from Santiago to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £703. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Santiago averaging around £724.

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

As of December 2025, there are 3 operators available to choose from for flights from Santiago Arturo Merino Benitez Airport to London Heathrow Airport.

Question 24

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to London Heathrow Airport.

Question 25

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The travel and health documents required for your trip to London Heathrow 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 London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	£513
Fastest flight time	14h 10m
Direct flights	Mon, Wed, Fri and Sat

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom £615	Free Cancellation	Rating 7.5 1,891 reviews	Search LATAM Airlines flights
Iberia	PriceFrom £703	Free Cancellation	Rating 7.0 3,052 reviews	Search Iberia flights
British Airways	PriceFrom £717	Free Cancellation	Rating 6.7 7,578 reviews	Search British Airways flights

Cheap flights from Santiago to London from £327

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 11/2. 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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