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Heathrow

$343+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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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3. Compare prices and book

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Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or September, 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 January 21, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/410:50 pm
MIA
-
LHR
Nonstop8h 30m
British Airways
Wed 2/119:50 am
LHR
-
MIA
1 stop13h 10m
British Airways
Deal found 1/20$555
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/212:25 pm
MIA
-
LHR
1 stop13h 45m
Multiple Airlines
Tue 2/179:00 am
LHR
-
MIA
1 stop13h 30m
Multiple Airlines
Deal found 1/20$558
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:00 pm
MIA
-
LHR
1 stop10h 40m
British Airways
Wed 2/189:50 am
LHR
-
MIA
1 stop13h 10m
British Airways
Deal found 1/21$559
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:55 pm
MIA
-
LHR
3 stops31h 15m
Multiple Airlines
Sun 2/86:00 am
LHR
-
MIA
3 stops34h 50m
Multiple Airlines
Deal found 1/21$561
This British Airways deal was found by Cheapflights users on 1/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:20 pm
MIA
-
LHR
Nonstop8h 45m
British Airways
Wed 3/48:50 am
LHR
-
MIA
1 stop14h 10m
British Airways
Deal found 1/21$563
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:25 pm
MIA
-
LHR
1 stop13h 45m
Multiple Airlines
Tue 2/176:35 am
LHR
-
MIA
1 stop15h 20m
Multiple Airlines
Deal found 1/20$565
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/39:45 pm
MIA
-
LHR
2 stops17h 20m
Multiple Airlines
Mon 2/98:50 pm
LHR
-
MIA
2 stops27h 40m
Multiple Airlines
Deal found 1/20$566
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:50 pm
MIA
-
LHR
1 stop12h 10m
SWISS
Thu 3/129:00 am
LHR
-
MIA
1 stop13h 30m
SWISS
Deal found 1/20$567
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:50 pm
MIA
-
LHR
1 stop12h 10m
SWISS
Thu 2/199:00 am
LHR
-
MIA
1 stop13h 30m
SWISS
Deal found 1/21$568
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:35 pm
MIA
-
LHR
1 stop17h 00m
TAP AIR PORTUGAL
Fri 3/138:15 am
LHR
-
MIA
1 stop18h 05m
TAP AIR PORTUGAL
Deal found 1/19$569
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2111:35 pm
MIA
-
LHR
1 stop12h 55m
TAP AIR PORTUGAL
Fri 2/276:00 am
LHR
-
MIA
1 stop20h 20m
TAP AIR PORTUGAL
Deal found 1/21$570

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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$549
(Kiwi.com)

One-way from

$343
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$738

Good round-trip deal

$627 or less

Good one-way deal

$377 or less
Provider with most accurate pricing for Miami-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-London Heathrow flights.
Search Deals
From Miami to London Heathrow
Search Deals
One-way flight from Miami to London Heathrow
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Miami to London Heathrow.
Search Deals
Price to beat on a one-way flight from Miami to London Heathrow.
Search Deals

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 January 21, 2026.
Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Fly from

Miami

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 3/3

2:07 pm-6:20 am

1 stop11h 13m

London Heathrow

Wed 3/11

7:50 am-7:00 pm

1 stop15h 10m

$568

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 2/11

5:10 pm-6:50 am

Nonstop8h 40m

London Heathrow

Tue 2/17

10:45 am-8:45 pm

1 stop15h 00m

$573

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 2/3

10:50 pm-12:20 pm

Nonstop8h 30m

London Heathrow

Thu 2/19

9:15 am-8:45 pm

1 stop16h 30m

$574

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 3/2

1:00 pm-7:30 am

1 stop13h 30m

London Heathrow

Mon 3/9

12:05 pm-3:40 pm

1 stop31h 35m

$581

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 2/14

6:59 pm-7:50 am

1 stop31h 51m

London Heathrow

Tue 2/24

9:15 am-8:45 pm

1 stop16h 30m

$589

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 2/11

1:05 pm-7:30 am

1 stop13h 25m

London Heathrow

Tue 3/31

2:10 pm-2:57 pm

2 stops29h 47m

$592

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 3/25

4:49 pm-8:25 am

1 stop11h 36m

London Heathrow

Tue 3/31

2:10 pm-2:57 pm

2 stops29h 47m

$593

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 2/19

5:05 pm-11:05 am

1 stop13h 00m

London Heathrow

Tue 2/24

9:00 am-5:30 pm

1 stop13h 30m

$605

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/6

10:40 pm-12:35 pm

Nonstop8h 55m

London Heathrow

Wed 5/20

3:00 pm-7:40 pm

Nonstop9h 40m

$610

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/6

12:15 pm-10:00 am

2 stops16h 45m

London Heathrow

Fri 5/22

8:40 am-5:25 pm

1 stop13h 45m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 22 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Miami-London Heathrow Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 January 16, 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of $283). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of $612). 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 January 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.

Read more
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.

Read more
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.

Read more

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 January 21, 2026.
Read reviews from past customers who have flown Delta, Virgin Atlantic, and American Airlines from Miami to London Heathrow Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
Iberia
7.0
Good
3,094 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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.
British Airways
6.7
Okay
7,689 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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 24 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 11 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 British Airways and United Airlines fly from Miami to London Heathrow Airport in about 11h 13m. The time it takes to get you to your destination can typically vary by up to 2h 17m. 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 Delta. 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 $139 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $169 and JetBlue from $274 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: KLM (82%), Air France (82%), Delta (82%).

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

    The cheapest flight price from Miami to London Heathrow Airport is $221. On average you can expect to pay $2,593. The most popular route, (Miami - London Heathrow), can usually be booked for $464.

  • 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of $283). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of $612). 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
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Miami to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$691FlexibilityNo cancel feeOn-time62%
Norse Atlantic UKCheapest$394Average$612FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$461Average$764FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$464Average$672FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$470Average$772FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$483Average$580FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$503Average$713FlexibilityNo cancel feeOn-time70%
FinnairCheapest$515Average$873FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$520Average$760FlexibilityNo cancel feeOn-time71%
IberiaCheapest$530Average$770FlexibilityNo cancel feeOn-time77%

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