Heathrow

$436+ Cheap flights from Miami (MIA) to Heathrow (LHR)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
May 21 — May 281
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Find cheap flights from Miami to Heathrow with Cheapflights

1. Tell us where you want to go

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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 Thursday and return on a Tuesday

Cheap flight deals from Miami to Heathrow

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 April 21, 2026.

This LEVEL deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:45 pm
MIA
-
LHR
1 stop30h 25m
LEVEL
Thu 10/228:50 pm
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 4/16$729
This LEVEL deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:45 pm
MIA
-
LHR
1 stop17h 20m
LEVEL
Wed 9/309:55 am
LHR
-
MIA
1 stop15h 05m
LEVEL
Deal found 4/18$737
This Vueling Global deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:45 pm
MIA
-
LHR
1 stop17h 20m
Multiple Airlines
Mon 11/99:55 am
LHR
-
MIA
1 stop15h 05m
Multiple Airlines
Deal found 4/19$739
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
MIA
-
LHR
1 stop18h 15m
United Airlines
Fri 11/66:50 am
LHR
-
MIA
2 stops16h 45m
United Airlines
Deal found 4/16$742
This Gotogate deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:55 pm
MIA
-
LHR
1 stop32h 25m
Scandinavian Airlines
Sat 11/710:20 am
LHR
-
MIA
1 stop36h 45m
Scandinavian Airlines
Deal found 4/19$745
This Scandinavian Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:55 pm
MIA
-
LHR
2 stops60h 00m
Scandinavian Airlines
Wed 11/410:20 am
LHR
-
MIA
1 stop36h 45m
Scandinavian Airlines
Deal found 4/20$746
This LEVEL deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:45 pm
MIA
-
LHR
1 stop30h 25m
LEVEL
Tue 9/228:50 pm
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 4/19$747
This deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:30 pm
MIA
-
LHR
1 stop12h 50m
TAP AIR PORTUGAL
Wed 5/61:45 pm
LHR
-
MIA
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 4/20$749
This LEVEL deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:45 pm
MIA
-
LHR
1 stop30h 25m
LEVEL
Thu 9/248:50 pm
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 4/18$750
This LEVEL deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:45 pm
MIA
-
LHR
1 stop30h 25m
LEVEL
Fri 10/309:55 am
LHR
-
MIA
1 stop15h 05m
LEVEL
Deal found 4/18$753
This LEVEL deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:45 pm
MIA
-
LHR
1 stop30h 25m
LEVEL
Thu 8/208:50 pm
LHR
-
MIA
1 stop28h 10m
LEVEL
Deal found 4/16$755
This eDestinos deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:50 pm
MIA
-
LHR
1 stop24h 50m
TAP AIR PORTUGAL
Tue 11/171:40 pm
LHR
-
MIA
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 4/19$757

Find flight deals from Miami to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) 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 April 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$737
(LEVEL)

One-way from

$436
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$804

Good round-trip deal

$976 or less

Good one-way deal

$496 or less
Provider with most accurate pricing for Miami-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Miami-London Heathrow flights.
From Miami to London Heathrow
One-way flight from Miami to London Heathrow
Highest demand for flights based on searches. 6% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Miami to London Heathrow.
Price to beat on a one-way flight from Miami to London Heathrow.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami 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 2,558,603 searches. Data last updated April 21, 2026.
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 round-trip

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/6

2:20 pm-8:20 am

1 stop13h 00m

London Heathrow

Fri 5/15

8:40 am-5:25 pm

1 stop13h 45m

$907

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 9/21

11:35 am-4:00 pm

2 stops23h 25m

London Heathrow

Fri 10/9

7:50 pm-11:09 pm

2 stops32h 19m

$936

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 5/15

6:05 pm-8:05 am

Nonstop9h 00m

London Heathrow

Fri 5/22

4:00 pm-8:55 pm

Nonstop9h 55m

$1,034

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/13

12:15 pm-5:55 am

1 stop12h 40m

London Heathrow

Sat 5/23

7:45 am-4:14 pm

1 stop13h 29m

$1,048
Quickest round-trip

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 5/17

9:15 pm-11:05 am

Nonstop8h 50m

London Heathrow

Sun 5/24

9:55 am-2:30 pm

Nonstop9h 35m

$1,076

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 5/2

10:35 pm-12:35 pm

Nonstop9h 00m

London Heathrow

Mon 6/1

3:50 pm-8:45 pm

Nonstop9h 55m

$1,084

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 7/6

12:29 pm-7:45 am

1 stop14h 16m

London Heathrow

Tue 7/21

2:05 pm-2:38 pm

2 stops29h 33m

$1,125

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 6/10

10:35 pm-12:35 pm

Nonstop9h 00m

London Heathrow

Fri 6/19

4:00 pm-8:55 pm

Nonstop9h 55m

$1,131

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/27

10:35 pm-12:35 pm

Nonstop9h 00m

London Heathrow

Wed 6/10

10:55 am-3:50 pm

Nonstop9h 55m

$1,131

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 5/16

2:20 pm-9:20 am

1 stop14h 00m

London Heathrow

Sat 5/23

7:45 am-4:14 pm

1 stop13h 29m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Miami to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Heathrow in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Miami-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from Miami to Heathrow. Price data was last updated on April 17, 2026.

To ensure you get the cheapest price possible for a flight from Miami to London Heathrow Airport, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of $603). Flying from Miami to London Heathrow Airport in December is currently the most expensive (average of $976). 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?

Find hourly flight availability from Miami 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 April 21, 2026.

When flying from Miami to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Miami to London Heathrow Airport?

The best insider tips for Miami to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to London Heathrow Airport trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Emily Zemler

Emily Zemler

Expert on Iberia

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Ramsey Qubein

Ramsey Qubein

Expert on MIA and LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

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 April 21, 2026.
Read reviews from past customers who have flown Delta,Virgin Atlantic, andAmerican Airlines from Miami to London Heathrow Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

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?

    Miami (MIA) is the airport you will fly out of if you book a flight from Miami to London Heathrow. You should not have trouble finding flights to London Heathrow from Miami; the airport handles an average of 30 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 13 airlines have flights from the Miami airport to London Heathrow. It is only a 6.1 mi journey to Miami (MIA) from Miami’s city center.

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

    Airlines like United Airlines, Scandinavian Airlines, and KLM fly from Miami to London Heathrow Airport in about 9h. The time it takes to get you to your destination can typically vary by up to 14h 25m. The distance from Miami to London Heathrow Airport is about 4414 mi. This flight may include one or multiple stops.

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

    JetBlue, at $51, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines to your destination round-trip include Norse Atlantic UK and TAP AIR PORTUGAL. JetBlue is 93% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $169 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Finnair from $253 and Iberia from $366 one-way.

  • 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: Air France (83%), Delta (83%), Virgin Atlantic (83%).

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

    The cheapest flight price from Miami to London Heathrow Airport is $340. On average you can expect to pay $2,547. The most popular route, (Miami - London Heathrow), can usually be booked for $669.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of $603). Flying from Miami to London Heathrow Airport in December is currently the most expensive (average of $976). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Miami to Heathrow

Discover the top 10 airlines that operate flights from Miami 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 2,558,603 searches. Data last updated April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$218FlexibilityNo cancel feeOn-time62%
Norse Atlantic UKCheapest$348Average$520FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$464Average$716FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$483Average$580FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$503Average$664FlexibilityNo cancel feeOn-time69%
FinnairCheapest$515Average$908FlexibilityNo cancel feeOn-time76%
IberiaCheapest$515Average$829FlexibilityNo cancel feeOn-time77%
DeltaCheapest$516Average$787FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$532Average$712FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$546Average$804FlexibilityNo cancel feeOn-time71%

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