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

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 8% of flights being delayed.

How often are flights from Miami to London delayed?

About 14% of weekly flights between Miami and London have experienced delays in the past year, with the average delay time being 143 minutes.

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

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

What’s the top stopover airport for flights from Miami to London Heathrow Airport?

Lisbon (LIS) – chosen by Cheapflights users on 80% of one-stop itineraries from Miami to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Miami to London Heathrow Airport?

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £693.

Which airport typically offers the quickest stopover for flights from Miami to London Heathrow Airport?

Flights via Lisbon (LIS) offer the fastest connection on this route, with an average stopover time of 1h 43m.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What’s the fastest stopover option from Miami to London Heathrow Airport?

Flights via Lisbon (LIS) have the shortest average one-way travel time for one-stop routes: 13h 05m.

How long is the flight from Miami to London Heathrow Airport?

Departing from Miami to London Heathrow Airport will take you 11h 39m. Airlines will cover a distance of 4414 mi. This flight may include one or multiple stops.

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

KLM, at £407, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. KLM is currently priced 28% below the average price you’ll pay for this route.

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

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £123. Users have also found prices from £280 and £281 on Virgin Atlantic and Delta, respectively.

Weekly flight availability from Miami to London Heathrow Airport

The most flights from MIA to LHR are scheduled on a Thursday (32 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

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.

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).

What are the cheapest flights from Miami to London Heathrow Airport?

While on average a flight from Miami to London Heathrow Airport is generally £1,232, our data shows the cheapest flight currently is £212. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £528 for that flight.

What are the most reliable airlines from Miami to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Miami to London Heathrow Airport on time: KLM (93%), Air France (93%), Delta (93%).

What are the most popular airlines that fly from Miami to London Heathrow Airport?

Virgin Atlantic, British Airways and KLM are the most popular airlines when flying from Miami to London Heathrow Airport.

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

If you book a flight to London Heathrow from Miami, you will be flying from Miami, which is the city’s only airport. Miami (MIA) is located 6.1 mi from the center of Miami. There are 26 flights from Miami to London Heathrow per day from 5 different airlines.

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

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

How can I find direct flights from Miami to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Miami 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.

£298+ Cheap Flights from Miami to London Heathrow Airport

Q: How much does it cost for a return flight from Miami to London Heathrow Airport?

Airfare is below average for this route at the moment. Miami to London Heathrow Airport flights typically cost between £522 and £720 in April. The cheapest return flight price found within the last 3 days was £491 on TAP AIR PORTUGAL (19 Apr-5 May).

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in September or February, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Miami to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Miami to Heathrow
Explore the most affordable flight options available from Miami to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Sun 19/400:30

MIA

LHR

1 stop13h 20m

TAP AIR PORTUGAL

Tue 5/519:50

LHR

MIA

1 stop23h 40m

TAP AIR PORTUGAL

Deal found 18/3£491

Sun 27/907:00

MIA

LHR

2 stops29h 40m

Scandinavian Airlines

Wed 7/1006:40

LHR

MIA

2 stops21h 29m

Scandinavian Airlines

Deal found 17/3£498

Sun 19/400:30

MIA

LHR

1 stop17h 25m

TAP AIR PORTUGAL

Mon 27/419:50

LHR

MIA

1 stop23h 40m

TAP AIR PORTUGAL

Deal found 17/3£499

Sun 1/1100:05

MIA

LHR

1 stop16h 30m

TAP AIR PORTUGAL

Mon 9/1113:40

LHR

MIA

1 stop30h 10m

TAP AIR PORTUGAL

Deal found 18/3£500

Tue 24/1107:00

MIA

LHR

2 stops21h 20m

Scandinavian Airlines

Tue 1/1206:40

LHR

MIA

1 stop16h 25m

Scandinavian Airlines

Deal found 17/3£501

Thu 29/1020:55

MIA

LHR

1 stop15h 05m

Scandinavian Airlines

Sat 7/1106:40

LHR

MIA

2 stops40h 25m

Scandinavian Airlines

Deal found 20/3£501

Sun 12/400:30

MIA

LHR

1 stop28h 50m

TAP AIR PORTUGAL

Mon 20/419:50

LHR

MIA

1 stop23h 40m

TAP AIR PORTUGAL

Deal found 17/3£505

Sun 29/1116:50

MIA

LHR

1 stop14h 50m

TAP AIR PORTUGAL

Wed 9/1206:00

LHR

MIA

1 stop21h 00m

TAP AIR PORTUGAL

Deal found 18/3£506

Fri 30/1020:55

MIA

LHR

1 stop32h 25m

Scandinavian Airlines

Tue 3/1110:35

LHR

MIA

2 stops60h 30m

Scandinavian Airlines

Deal found 19/3£507

Sun 25/1020:55

MIA

LHR

2 stops15h 30m

Scandinavian Airlines

Thu 29/1019:50

LHR

MIA

2 stops27h 15m

Scandinavian Airlines

Deal found 21/3£509

Find flight deals from Miami to Heathrow

Round-trip from	£491
One-way from	£298
Popular in	December
Cheapest in	September
Average price	£632
Good round-trip deal	£590 or less
Good one-way deal	£329 or less

TAP AIR PORTUGAL
19/4-5/5
2 total stops
37h 00m total
Miami to London

Search Deals

Scandinavian Airlines
16/9
2 total stops
25h 05m total
Miami to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£30 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

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Average for round-trip flights in March 2026

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Price to beat on a round-trip flight from Miami to London Heathrow.

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Price to beat on a one-way flight from Miami to London Heathrow.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 4/5

16:50-10:25

1 stop12h 35m

London Heathrow

Tue 12/5

08:45-17:25

1 stop13h 40m

£633

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 8/4

12:14-05:55

1 stop12h 41m

London Heathrow

Mon 20/4

12:10-14:15

1 stop31h 05m

£639

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 15/4

12:14-05:55

1 stop12h 41m

London Heathrow

Mon 4/5

13:50-17:25

1 stop32h 35m

£640

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 29/4

12:24-10:00

2 stops16h 36m

London Heathrow

Wed 6/5

09:30-21:11

2 stops16h 41m

£657

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 13/4

16:46-09:25

1 stop11h 39m

London Heathrow

Mon 20/4

12:15-17:00

Nonstop9h 45m

£660

Fastest return journey

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 3/4

18:25-08:05

Nonstop8h 40m

London Heathrow

Thu 16/4

10:55-15:50

Nonstop9h 55m

£695

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 8/4

16:46-09:25

1 stop11h 39m

London Heathrow

Mon 20/4

15:40-20:20

Nonstop9h 40m

£699

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 20/5

18:05-08:05

Nonstop9h 00m

London Heathrow

Wed 3/6

15:50-20:45

Nonstop9h 55m

£758

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 29/7

19:35-09:25

Nonstop8h 50m

London Heathrow

Fri 7/8

15:20-00:08

1 stop13h 48m

£761

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 17/4

07:40-09:35

2 stops20h 55m

London Heathrow

Mon 20/4

19:50-23:29

2 stops32h 39m

£773

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Miami to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Miami with our price prediction graph.

MIA-LHR

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.

Cheapflights Insights

Everything you need to know about your flight from Miami to London Heathrow Airport

Prices

Airlines

Delays

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

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Miami to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £353). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £456). 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 MIA to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to London Heathrow Airport as you normally would.

How much does it cost for a return flight from Miami to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM,Finnair, andVirgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,477 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

KLM

7.8

Good

1,477 reviews

KLM

7.8

Good

1,477 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Finnair

7.7

Good

1,374 reviews

KLM

7.8

Good

1,477 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Virgin Atlantic

7.5

Good

682 reviews

KLM

7.8

Good

1,477 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

American Airlines

7.1

Good

11,485 reviews

KLM

7.8

Good

1,477 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

British Airways

6.7

Okay

7,809 reviews

KLM

7.8

Good

1,477 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

What airport do you fly from for flights from Miami to London Heathrow?
If you book a flight to London Heathrow from Miami, you will be flying from Miami, which is the city’s only airport. Miami (MIA) is located 6.1 mi from the center of Miami. There are 26 flights from Miami to London Heathrow per day from 5 different airlines.
How long is the flight from Miami to London Heathrow Airport?
Departing from Miami to London Heathrow Airport will take you 11h 39m. Airlines will cover a distance of 4414 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Miami to London Heathrow Airport round-trip?
KLM, at £407, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. KLM is currently priced 28% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Miami to London Heathrow Airport one-way?
For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £123. Users have also found prices from £280 and £281 on Virgin Atlantic and Delta, respectively.
What are the most reliable airlines from Miami to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Miami to London Heathrow Airport on time: KLM (93%), Air France (93%), Delta (93%).
What are the cheapest flights from Miami to London Heathrow Airport?
While on average a flight from Miami to London Heathrow Airport is generally £1,232, our data shows the cheapest flight currently is £212. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £528 for that flight.
Can I find deals for flights from Miami to Heathrow that include hotel bookings?
Yes. In addition to deals on Miami to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Miami to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Heathrow.
Can I find deals for business class flights from Miami to Heathrow?
Yes. Cheapflights offers flight deals from Miami 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 Miami to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £353). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £456). 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.

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Top 5 airlines flying from Miami to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£407	Average£545	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£412	Average£591	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£426	Average£648	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£483	Average£859	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£558	Average£651	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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

Cheapflights makes it easy to find Miami to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Miami.

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

Yes! Cheapflights helps users easily find flights from Miami to Heathrow with no change fees.

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

Yes! Start tracking prices for Miami 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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Cheap flights from Miami to London Heathrow Airport from £298

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Miami to Heathrow

Cheapest flights from Miami to HeathrowExplore the most affordable flight options available from Miami to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Explore the most affordable flight options available from Miami to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Best flights from Miami to HeathrowDiscover carefully curated flight deals from Miami to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 March 2026.

Discover carefully curated flight deals from Miami to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 March 2026.

Direct flights from Miami to HeathrowExplore direct flight options from Miami to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 March 2026.

Explore direct flight options from Miami to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 March 2026.

Last-minute flights from Miami to HeathrowDiscover last-minute flight deals from Miami to Heathrow. Data last updated 22 March 2026 and is based on user searches.

Discover last-minute flight deals from Miami to Heathrow. Data last updated 22 March 2026 and is based on user searches.

One-way flights from Miami to HeathrowSearch for one-way flight options from Miami to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 March 2026.

Search for one-way flight options from Miami to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 March 2026.

Find flight deals from Miami to Heathrow

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Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Best time to book a flight from Miami to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Miami with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Miami to London Heathrow Airport

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

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

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

How much does it cost for a return flight from Miami to London Heathrow Airport?

Weekly flight availability from Miami to London Heathrow Airport

How often are flights from Miami to London delayed?

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

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

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

What’s the top stopover airport for flights from Miami to London Heathrow Airport?

What’s the cheapest stopover airport for flights from Miami to London Heathrow Airport?

What’s the fastest stopover option from Miami to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Miami to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM,Finnair, andVirgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Miami 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 Miami to London Heathrow?

How long is the flight from Miami to London Heathrow Airport?

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

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

What are the most reliable airlines from Miami to London Heathrow Airport?

What are the cheapest flights from Miami to London Heathrow Airport?

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

How can I find direct flights from Miami to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Miami to Heathrow

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Complete your trip

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Search flights from Miami to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 March 2026.

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Cheapest flights from Miami to Heathrow
Explore the most affordable flight options available from Miami to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Best flights from Miami to Heathrow
Discover carefully curated flight deals from Miami to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 March 2026.

Direct flights from Miami to Heathrow
Explore direct flight options from Miami to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 March 2026.

Last-minute flights from Miami to Heathrow
Discover last-minute flight deals from Miami to Heathrow. Data last updated 22 March 2026 and is based on user searches.

One-way flights from Miami to Heathrow
Search for one-way flight options from Miami to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 March 2026.