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.

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 in the evening tend to experience delays more often.

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 Friday has historically faced a higher average of delays compared to other days of the week.

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 167 minutes.

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

Departing from Miami to London Heathrow Airport will take you 8h 40m. 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 £439, 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 40% 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 £125. Users have also found prices from £246 and £246 on Delta and American Airlines, respectively.

Weekly flight availability from Miami to London Heathrow Airport

The most flights from MIA to LHR are scheduled on a Wednesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 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 £1,033, our data shows the cheapest flight currently is £246. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £366 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: Aer Lingus (88%), KLM (88%), SAUDIA (88%).

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

Virgin Atlantic, British Airways and American Airlines 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 14 flights from Miami to London Heathrow per day from 4 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.

£275+ Cheap Flights from Miami to London Heathrow Airport

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or April, booked 55 days in advance, depart on a Thursday 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 9 October 2026.

Sat 5/1219:55 -

1 stop17h 35m

Sat 12/1206:40 -

2 stops21h 38m

Deal found 6/10£565

Tue 24/1107:05 -

2 stops21h 15m

Tue 1/1218:05 -

2 stops53h 00m

Deal found 7/10£566

Sun 8/1120:05 -

1 stop14h 35m

Tue 24/1109:55 -

2 stops38h 40m

Deal found 7/10£567

Wed 11/1111:29 -

2 stops16h 51m

Tue 17/1118:05 -

2 stops53h 00m

Deal found 4/10£568

Thu 19/1119:55 -

1 stop20h 45m

Tue 1/1218:05 -

2 stops53h 00m

Deal found 7/10£568

Thu 24/1219:55 -

2 stops20h 25m

Fri 8/117:30 -

2 stops29h 35m

Deal found 5/10£569

Wed 4/1116:20 -

2 stops18h 40m

Tue 17/1118:05 -

2 stops53h 00m

Deal found 7/10£570

Fri 6/1111:09 -

2 stops17h 11m

Tue 17/1118:05 -

2 stops53h 00m

Deal found 6/10£571

Tue 20/1007:16 -

2 stops21h 19m

Sun 1/1106:40 -

2 stops23h 13m

Deal found 5/10£571

Sat 5/1219:55 -

2 stops32h 40m

Fri 11/1219:30 -

2 stops32h 48m

Deal found 5/10£572

Sun 8/1123:50 -

1 stop12h 40m

Tue 24/1118:30 -

1 stop25h 30m

Deal found 8/10£573

Sun 8/1119:55 -

1 stop16h 45m

Tue 24/1119:30 -

2 stops34h 27m

Deal found 6/10£574

Find flight deals from Miami to Heathrow

Round-trip from	£565
One-way from	£275
Popular in	July
Cheapest in	February
Average price	£700
Good round-trip deal	£546 or less
Good one-way deal	£283 or less

Scandinavian Airlines
5/12-12/12
3 total stops
39h 13m total
Miami to London

Search Deals

Virgin Atlantic
13/2-31/12
Nonstop
8h 45m total
Miami to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£114 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

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 Miami - LHR London Heathrow

MIALHR

Miami

Thu 7/1

22:50-12:35

Nonstop8h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£284

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Mon 2/11

19:55-17:40

1 stop16h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£305

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Sun 27/12

06:42-08:05

2 stops20h 23m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£342

Fastest return journey

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 10/11

16:50-06:30

Nonstop8h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Wed 11/11

11:16-06:40

2 stops14h 24m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£350

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Sat 9/1

07:25-11:25

2 stops23h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£373

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Fri 16/10

22:55-08:05

3 stops28h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£388

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Fri 16/10

16:20-17:45

1 stop20h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£409

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 24/11

08:45-08:25

3 stops18h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£505

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Mon 4/1

11:20-09:25

2 stops17h 05m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£505

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 21 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 54 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 £562). Flying from Miami to London Heathrow Airport in July is currently the most expensive (average of £944). 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?

Airfare is below average for this route at the moment.

Miami to London Heathrow Airport flights typically cost between £588 and £817 in December.
The cheapest return price found within the last 5 days was £565 on Scandinavian Airlines (5 Dec–12 Dec).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM,Virgin Atlantic, andAmerican Airlines. 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

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,580 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Virgin Atlantic

7.5

Good

694 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

American Airlines

7.0

Good

12,145 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

British Airways

6.7

Okay

8,255 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

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 14 flights from Miami to London Heathrow per day from 4 different airlines.
How long is the flight from Miami to London Heathrow Airport?
Departing from Miami to London Heathrow Airport will take you 8h 40m. 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 £439, 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 40% 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 £125. Users have also found prices from £246 and £246 on Delta and American Airlines, 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: Aer Lingus (88%), KLM (88%), SAUDIA (88%).
What are the cheapest flights from Miami to London Heathrow Airport?
While on average a flight from Miami to London Heathrow Airport is generally £1,033, our data shows the cheapest flight currently is £246. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £366 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 £562). Flying from Miami to London Heathrow Airport in July is currently the most expensive (average of £944). 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 4 airlines flying from Miami to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£439	Average£611	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£480	Average£865	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£499	Average£802	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£629	Average£864	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 £275

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/2. 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 9 October 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 9 October 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 9 October 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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from Miami to HeathrowDiscover last-minute flight deals from Miami to Heathrow. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from Miami to Heathrow. Data last updated 9 October 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 9 October 2026.

Search for one-way flight options from Miami to Heathrow. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Find flight deals from Miami to Heathrow

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Popular in

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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.

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

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

Booking 54 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?

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?

Airfare is below average for this route at the moment.

Miami to London Heathrow Airport flights typically cost between £588 and £817 in December.The cheapest return price found within the last 5 days was £565 on Scandinavian Airlines (5 Dec–12 Dec).

Weekly flight availability from Miami to London Heathrow Airport

The most flights from MIA to LHR are scheduled on a Wednesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

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 167 minutes.

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 in the evening tend to experience delays more often.

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 Friday has historically faced a higher average of delays compared to other days of the week.

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.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM,Virgin Atlantic, andAmerican Airlines. 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

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Miami to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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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 9 October 2026.

Miami and Heathrow flights

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Top 4 airlines flying from Miami to Heathrow

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

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

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

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

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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from Miami to Heathrow
Discover last-minute flight deals from Miami to Heathrow. Data last updated 9 October 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 9 October 2026.

Miami to London Heathrow Airport flights typically cost between £588 and £817 in December.
The cheapest return price found within the last 5 days was £565 on Scandinavian Airlines (5 Dec–12 Dec).