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$162+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
Jul 21 — Jul 281
Mon 7/21
Mon 7/28
1 adult, Economy
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Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or October, booked 40 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 July 16, 2025.

Round-trip from

$492
(Netflights)

One-way from

$162
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$807

Good round-trip deal

$606 or less

Good one-way deal

$438 or less
From Miami to London Heathrow
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One-way flight from Miami to London Heathrow
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Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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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Find 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 July 16, 2025.

This Netflights deal was found by Cheapflights users on 7/14. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:30 pmMIA - LHR
1 stop13h 00mVirgin Atlantic
Tue 8/263:55 pmLHR - MIA
Nonstop9h 40mVirgin Atlantic
Deal found 7/14$492
This Ovago deal was found by Cheapflights users on 7/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:21 pmMIA - LHR
1 stop17h 24mBritish Airways
Wed 10/156:30 amLHR - MIA
1 stop15h 25mBritish Airways
Deal found 7/14$493
This Iberia deal was found by Cheapflights users on 7/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:48 pmMIA - LHR
1 stop31h 32mIberia
Fri 1/309:55 amLHR - MIA
1 stop15h 05mIberia
Deal found 7/15$498
This United Airlines deal was found by Cheapflights users on 7/14. 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.
Mon 8/254:53 pmMIA - LHR
1 stop13h 42mUnited Airlines
Thu 9/48:40 amLHR - MIA
1 stop13h 50mUnited Airlines
Deal found 7/14$504
This Air Canada deal was found by Cheapflights users on 7/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:15 pmMIA - LHR
1 stop11h 15mAir Canada
Fri 9/52:05 pmLHR - MIA
2 stops30h 05mAir Canada
Deal found 7/14$505
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:30 pmMIA - LHR
Nonstop8h 45mDelta
Tue 8/196:15 amLHR - MIA
1 stop13h 00mDelta
Deal found 7/15$509
This Finnair deal was found by Cheapflights users on 7/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:15 pmMIA - LHR
1 stop12h 15mFinnair
Tue 9/212:15 pmLHR - MIA
Nonstop9h 30mFinnair
Deal found 7/14$522

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 July 16, 2025.
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 8/19

7:30 pm-1:30 pm

1 stop13h 00m

London Heathrow

Tue 8/26

3:55 pm-8:35 pm

Nonstop9h 40m

$492

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 10/4

9:21 pm-7:45 pm

1 stop17h 24m

London Heathrow

Wed 10/15

6:30 am-4:55 pm

1 stop15h 25m

$493

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 11/1

9:48 pm-9:20 am

1 stop31h 32m

London Heathrow

Fri 1/30

9:55 am-8:00 pm

1 stop15h 05m

$498

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 8/25

12:27 pm-11:45 am

1 stop18h 18m

London Heathrow

Tue 9/2

1:45 pm-5:30 pm

1 stop32h 45m

$504

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 8/26

2:15 pm-6:30 am

1 stop11h 15m

London Heathrow

Fri 9/5

2:05 pm-3:10 pm

2 stops30h 05m

$505

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 8/12

10:30 pm-12:15 pm

Nonstop8h 45m

London Heathrow

Tue 8/19

6:15 am-2:15 pm

1 stop13h 00m

$509

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 8/6

3:10 pm-8:50 am

1 stop12h 40m

London Heathrow

Tue 8/12

3:15 pm-12:24 am

1 stop14h 09m

$533

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 8/3

12:35 am-6:50 pm

1 stop13h 15m

$162

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 10/2

9:35 pm-2:15 pm

1 stop11h 40m

$232

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 10/17

9:45 pm-8:05 pm

1 stop17h 20m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

The best insider tips for Miami to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to London Heathrow Airport trip
Airlines
British Airways

BA's World Traveller Plus provides extra seat width, legroom, and upgraded service in a dedicated cabin.


BA's Club Suite offers private solo pods with doors, available on A350 and most 777 aircraft.

Read more about British Airwaysby Gabriel Leigh
Iberia

Iberia's premium economy offers 37-inch legroom, footrests, and noise-canceling headphones for long-haul comfort.


Iberia offers two hot meal options on long-haul flights, with special meals available upon request.

Read more about Iberiaby Emily Zemler
Airports
MIA

For a smooth departure, use the MIA Mover train to connect to public transport options like the MetroRail Orange Line to downtown Miami.

Read more about MIAby Ramsey Qubein
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station for easy access to the city.

Read more about LHRby Ramsey Qubein
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

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 Zemler

Emily Zemler

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

Ramsey Qubein

Ramsey Qubein

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

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 July 11, 2025.

To ensure you get the cheapest price possible for a flight from Miami to London Heathrow Airport, you should look to book at least 40 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, November is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of $661). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of $1,095). 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 July 16, 2025.

It’s optimal to fly from Miami to London Heathrow Airport at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Miami to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Miami to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Miami to London Heathrow Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Miami to London Heathrow Airport

Explore weekly flight availability from Miami to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 16, 2025.

The most flights from MIA to LHR are scheduled on a Monday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

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

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 July 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Virgin Atlantic from Miami to London Heathrow Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,959 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
8.0
Very good
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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.
United Airlines
7.4
Good
8,863 reviews
Delta
8.0
Very good
7,959 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
7.4
Good
655 reviews
Delta
8.0
Very good
7,959 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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.
Air Canada
7.1
Good
9,736 reviews
Delta
8.0
Very good
7,959 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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.
TAP AIR PORTUGAL
7.1
Good
1,921 reviews
Delta
8.0
Very good
7,959 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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 27 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 12 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.

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

    Virgin Atlantic, at $492, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines to your destination round-trip include British Airways and Iberia. Virgin Atlantic is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 (88%), KLM (88%), Delta (88%).

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

    The cheapest flight price from Miami to London Heathrow Airport is $255. On average you can expect to pay $2,717. The most popular route, (Miami - London Heathrow), can usually be booked for $455.

  • 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, November is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of $661). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of $1,095). 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
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Broadway
Aylesbury
Chelmsford
Folkestone
Chichester
Southend-on-Sea
Swindon

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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 July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$203Average$561FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$284Average$561FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$423Average$611FlexibilityNo cancel feeOn-time67%
DeltaCheapest$461Average$739FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$468Average$767FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$475Average$675FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$514Average$726FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$521Average$760FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$533Average$730FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$534Average$778FlexibilityNo cancel feeOn-timeN/A

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