Cheap flights from Miami to London Heathrow Airport from £275

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
22 Jan — 29 Jan1
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 55 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 23 December 2025.

Fri 26/1223:35MIA - LHR
1 stop17h 00mTAP AIR PORTUGAL
Mon 5/118:30LHR - MIA
1 stop25h 20mTAP AIR PORTUGAL
Deal found 22/12£497
Wed 24/1219:50MIA - LHR
2 stops20h 45mMultiple Airlines
Wed 28/109:55LHR - MIA
1 stop15h 05mMultiple Airlines
Deal found 22/12£530
Wed 24/1219:55MIA - LHR
2 stops17h 55mScandinavian Airlines
Sat 31/113:55LHR - MIA
1 stop33h 40mScandinavian Airlines
Deal found 22/12£551
Wed 24/1219:55MIA - LHR
1 stop20h 25mScandinavian Airlines
Sun 1/209:55LHR - MIA
1 stop13h 40mScandinavian Airlines
Deal found 22/12£552
Fri 26/1219:55MIA - LHR
1 stop15h 05mScandinavian Airlines
Sun 25/109:55LHR - MIA
1 stop13h 40mScandinavian Airlines
Deal found 21/12£556
Wed 24/1223:35MIA - LHR
1 stop12h 55mTAP AIR PORTUGAL
Wed 28/106:00LHR - MIA
1 stop13h 50mTAP AIR PORTUGAL
Deal found 22/12£564
Tue 23/1219:55MIA - LHR
1 stop20h 45mScandinavian Airlines
Sun 1/219:50LHR - MIA
2 stops27h 45mScandinavian Airlines
Deal found 22/12£569
Wed 24/1223:35MIA - LHR
1 stop12h 55mTAP AIR PORTUGAL
Sat 31/106:00LHR - MIA
1 stop13h 50mTAP AIR PORTUGAL
Deal found 22/12£570
Tue 23/1219:55MIA - LHR
1 stop15h 05mScandinavian Airlines
Sat 31/117:30LHR - MIA
1 stop30h 05mScandinavian Airlines
Deal found 22/12£574
Sun 28/1219:55MIA - LHR
1 stop16h 45mScandinavian Airlines
Sun 1/209:55LHR - MIA
1 stop13h 40mScandinavian Airlines
Deal found 22/12£578

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 23 December 2025.

Round-trip from

£439

One-way from

£275

Popular in

December

Cheapest in

February

Average price

£742

Good round-trip deal

£545 or less

Good one-way deal

£347 or less
British Airways
  • British Airways
  • 21/4-29/4
  • 2 total stops
  • 24h 15m total
  • Miami to London
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/3
  • 1 total stop
  • 16h 45m total
  • Miami to London
Highest demand for flights based on searches. 9% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in December 2025
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

 
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 23 December 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

Mon 19/1

22:50-12:20

Nonstop8h 30m

London Heathrow

Sun 25/1

18:10-16:50

1 stop27h 40m

£456

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 5/2

22:10-11:55

Nonstop8h 45m

London Heathrow

Thu 12/2

06:30-14:50

1 stop13h 20m

£457

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 19/1

08:05-08:45

1 stop19h 40m

London Heathrow

Sun 25/1

06:30-14:50

1 stop13h 20m

£457

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 27/2

21:25-11:10

Nonstop8h 45m

London Heathrow

Fri 6/3

06:30-14:50

1 stop13h 20m

£458

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 22/2

06:15-07:30

1 stop20h 15m

London Heathrow

Sat 28/2

13:45-14:40

1 stop29h 55m

£460

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 13/3

22:25-11:10

Nonstop8h 45m

London Heathrow

Thu 19/3

09:00-18:40

1 stop13h 40m

£462

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 4/5

06:15-07:40

1 stop20h 25m

London Heathrow

Tue 12/5

08:45-17:25

1 stop13h 40m

£467

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 12/3

07:40-06:55

1 stop19h 15m

London Heathrow

Fri 20/3

10:00-23:24

2 stops17h 24m

£468

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 23/1

22:00-11:30

Nonstop8h 30m

London Heathrow

Tue 27/1

14:30-19:30

Nonstop10h 00m

£478

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 15/3

22:25-11:10

Nonstop8h 45m

London Heathrow

Sun 22/3

09:25-15:50

Nonstop10h 25m

£478

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 22 results
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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 19 December 2025.

Booking 55 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 £213). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £455). 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 23 December 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.

How much does it cost for a return flight 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 23 December 2025.
Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as Finnair, Virgin Atlantic, andAir France. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 24 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 30m. 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 £275, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include KLM and Virgin Atlantic. Air France is currently priced 49% 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 £122. Users have also found prices from £230 and £274 on British Airways and Air France, 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: Air France (88%), Delta (88%), Virgin Atlantic (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 £664, our data shows the cheapest flight currently is £278. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £368 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 £213). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £455). 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
Hounslow
Northampton
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Hayes
Watford
Crawley
Swindon
Bedford
Romford
Chichester
Eastbourne
Ipswich

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.

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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£275Average£517FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£331Average£466FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£383Average£590FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£386Average£633FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£421Average£628FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£480Average£854FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£554Average£647FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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