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Cheap flights from Miami to London Heathrow Airport from £221

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
25 12月 — 1 1月1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or September, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 25 11月 2025.

Round-trip from

£476

One-way from

£221

Popular in

December

Cheapest in

February

Average price

£563

Good round-trip deal

£538 or less

Good one-way deal

£335 or less
British Airways
  • British Airways
  • 11/2-15/2
  • Nonstop
  • 18h 40m total
  • Miami to London
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LEVEL
  • LEVEL
  • 5/12
  • 1 total stop
  • 17h 20m total
  • Miami to London
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Highest demand for flights based on searches. 8% potential increase in price (£36 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in November 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

Enter your travel dates to find the best prices.

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 25 11月 2025.

週二 2/1221:10MIA - LHR
1 stop12h 15mMultiple Airlines
週三 10/1218:50LHR - MIA
2 stops29h 05mMultiple Airlines
Deal found 23/11£476
週四 4/1220:53MIA - LHR
2 stops29h 17mMultiple Airlines
週二 9/1209:00LHR - MIA
2 stops30h 05mMultiple Airlines
Deal found 23/11£483
週二 2/1216:35MIA - LHR
1 stop15h 05mTAP AIR PORTUGAL
週二 9/1213:40LHR - MIA
1 stop30h 10mTAP AIR PORTUGAL
Deal found 22/11£484
週日 7/1211:35MIA - LHR
2 stops14h 35mMultiple Airlines
週二 13/106:50LHR - MIA
2 stops20h 39mMultiple Airlines
Deal found 23/11£485
週一 8/1217:50MIA - LHR
1 stop11h 35mMultiple Airlines
週三 4/209:00LHR - MIA
1 stop13h 30mMultiple Airlines
Deal found 24/11£485
週六 6/1214:19MIA - LHR
2 stops16h 01mMultiple Airlines
週三 10/1211:10LHR - MIA
3 stops29h 02mMultiple Airlines
Deal found 23/11£489
週五 5/1220:53MIA - LHR
2 stops29h 17mMultiple Airlines
週二 9/1209:00LHR - MIA
2 stops30h 05mMultiple Airlines
Deal found 23/11£490
週四 11/1220:53MIA - LHR
2 stops29h 17mMultiple Airlines
週二 16/1206:00LHR - MIA
2 stops33h 05mMultiple Airlines
Deal found 23/11£493
週日 30/1117:15MIA - LHR
1 stop21h 15mIcelandair
週五 5/1220:35LHR - MIA
1 stop29h 20mIcelandair
Deal found 23/11£495
週一 8/1208:00MIA - LHR
1 stop18h 10mAir Canada
週三 4/209:00LHR - MIA
2 stops18h 29mAir Canada
Deal found 24/11£497
週五 5/1220:53MIA - LHR
2 stops29h 17mMultiple Airlines
週三 10/1215:15LHR - MIA
2 stops28h 15mMultiple Airlines
Deal found 23/11£498

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 25 11月 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

週一 12/1

13:21-06:25

1 stop12h 04m

London Heathrow

週日 25/1

09:25-14:50

Nonstop10h 25m

£486

MiamiLondon

MIA - LHR

MIALHR

Miami

週三 14/1

17:10-06:50

Nonstop8h 40m

London Heathrow

週一 19/1

09:45-14:40

Nonstop9h 55m

£487

MiamiLondon

MIA - LHR

MIALHR

Miami

週一 12/1

17:10-07:00

Nonstop8h 50m

London Heathrow

週日 18/1

14:00-19:25

Nonstop10h 25m

£487

MiamiLondon

MIA - LHR

MIALHR

Miami

週三 14/1

21:25-11:10

Nonstop8h 45m

London Heathrow

週二 20/1

14:45-20:10

Nonstop10h 25m

£487

MiamiLondon

MIA - LHR

MIALHR

Miami

週五 9/1

11:31-06:50

1 stop14h 19m

London Heathrow

週五 16/1

14:00-19:25

Nonstop10h 25m

£490

MiamiLondon

MIA - LHR

MIALHR

Miami

週三 10/12

14:29-10:50

2 stops15h 21m

London Heathrow

週五 16/1

07:30-20:29

2 stops17h 59m

£518

MiamiLondon

MIA - LHR

MIALHR

Miami

週二 5/5

12:15-10:00

2 stops16h 45m

London Heathrow

週一 11/5

12:10-17:30

1 stop34h 20m

£518

MiamiLondon

MIA - LHR

MIALHR

Miami

週二 12/5

13:00-07:40

1 stop13h 40m

London Heathrow

週五 22/5

06:30-14:40

1 stop13h 10m

£526

MiamiLondon

MIA - LHR

MIALHR

Miami

週四 19/3

07:00-09:20

2 stops22h 20m

London Heathrow

週二 24/3

19:30-19:05

1 stop27h 35m

£532

MiamiLondon

MIA - LHR

MIALHR

Miami

週一 11/5

22:40-12:35

Nonstop8h 55m

London Heathrow

週五 22/5

09:55-14:30

Nonstop9h 35m

£536

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 24 results
1
2
3

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 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

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 return flight from Miami to Heathrow. Price data was last updated on 21 November 2025.

Booking 62 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £218). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £467). 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 25 11月 2025.

A simple way to save on the total cost of your ticket is to fly from Miami to London Heathrow Airport at midday. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.

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 25 11月 2025.
Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM, Finnair, andVirgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,419 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,419 reviews
KLM
7.7
Good
1,419 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Finnair
7.6
Good
1,334 reviews
KLM
7.7
Good
1,419 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,419 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,495 reviews
KLM
7.7
Good
1,419 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,535 reviews
KLM
7.7
Good
1,419 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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?

    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 25 flights from Miami to London Heathrow per day from 7 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?

    Air France, at £339, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include KLM and British Airways. Air France is currently priced 38% below the average price you’ll pay for this route.

  • 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 (91%), Air France (91%), Delta (91%).

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

    While on average a flight from Miami to London Heathrow Airport is generally £990, our data shows the cheapest flight currently is £315. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £284 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £218). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £467). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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 7 airlines flying from Miami to Heathrow

Discover the top 7 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 858,174 searches. Data last updated 25 11月 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£339Average£517FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£339Average£530FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£369Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£372Average£607FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£431Average£648FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£492Average£840FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£595Average£663FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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