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Cheap flights from Miami to London Heathrow Airport from £117

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
3 set — 10 set1
1 adult

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or October, 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 29 agosto 2025.

Round-trip from

£345

One-way from

£117

Popular in

December

Cheapest in

February

Average price

£529

Good round-trip deal

£406 or less

Good one-way deal

£307 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/12-7/12
  • 3 total stops
  • 59h 35m total
  • Miami to London
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 7/10
  • 1 total stop
  • 20h 15m total
  • Miami to London
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Highest demand for flights based on searches. 5% potential increase in price (£21 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in August 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 29 agosto 2025.

ven 5/1219:55MIA - LHR
2 stops32h 00mScandinavian Airlines
dom 7/1219:30LHR - MIA
1 stop27h 35mScandinavian Airlines
Deal found 27/8£345
lun 27/1020:55MIA - LHR
1 stop20h 45mScandinavian Airlines
lun 3/1106:40LHR - MIA
1 stop16h 25mScandinavian Airlines
Deal found 28/8£366
sab 20/919:35MIA - LHR
Nonstop8h 50mBritish Airways
sab 27/913:40LHR - MIA
Nonstop9h 45mBritish Airways
Deal found 27/8£366
mer 19/1117:15MIA - LHR
1 stop21h 15mIcelandair
gio 4/1212:15LHR - MIA
1 stop13h 40mIcelandair
Deal found 28/8£369
mer 5/1117:15MIA - LHR
1 stop12h 35mIcelandair
ven 14/1120:35LHR - MIA
1 stop29h 20mIcelandair
Deal found 28/8£371
ven 26/900:25MIA - LHR
1 stop17h 30mTAP AIR PORTUGAL
mer 8/1019:50LHR - MIA
1 stop23h 55mTAP AIR PORTUGAL
Deal found 27/8£378
mer 5/1122:00MIA - LHR
Nonstop8h 30mIberia
mer 12/1109:45LHR - MIA
Nonstop9h 55mIberia
Deal found 28/8£381
mer 12/1117:15MIA - LHR
1 stop21h 15mIcelandair
lun 17/1120:35LHR - MIA
1 stop29h 20mIcelandair
Deal found 26/8£382
mer 19/1123:35MIA - LHR
1 stop17h 00mTAP AIR PORTUGAL
ven 28/1108:15LHR - MIA
1 stop18h 20mTAP AIR PORTUGAL
Deal found 26/8£383

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 29 agosto 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

mer 5/11

16:26-09:20

1 stop11h 54m

London Heathrow

ven 14/11

12:10-17:15

Nonstop10h 05m

£384

MiamiLondon

MIA - LHR

MIALHR

Miami

mar 4/11

15:00-06:45

1 stop10h 45m

London Heathrow

mar 11/11

09:45-14:40

Nonstop9h 55m

£384

MiamiLondon

MIA - LHR

MIALHR

Miami

mer 19/11

17:15-19:30

1 stop21h 15m

London Heathrow

sab 6/12

12:15-20:55

1 stop13h 40m

£386

MiamiLondon

MIA - LHR

MIALHR

Miami

mer 12/11

17:15-19:30

1 stop21h 15m

London Heathrow

mar 2/12

12:15-20:55

1 stop13h 40m

£386

MiamiLondon

MIA - LHR

MIALHR

Miami

mer 19/11

17:15-19:30

1 stop21h 15m

London Heathrow

gio 4/12

12:15-20:55

1 stop13h 40m

£386

MiamiLondon

MIA - LHR

MIALHR

Miami

mer 19/11

17:15-19:30

1 stop21h 15m

London Heathrow

mar 9/12

12:15-20:55

1 stop13h 40m

£386

MiamiLondon

MIA - LHR

MIALHR

Miami

ven 7/11

17:15-10:50

1 stop12h 35m

London Heathrow

mar 2/12

12:15-20:55

1 stop13h 40m

£386

MiamiLondon

MIA - LHR

MIALHR

Miami

mer 12/11

17:15-10:50

1 stop12h 35m

London Heathrow

mer 3/12

20:35-20:55

1 stop29h 20m

£387

MiamiLondon

MIA - LHR

MIALHR

Miami

ven 7/11

17:15-10:50

1 stop12h 35m

London Heathrow

mer 3/12

20:35-20:55

1 stop29h 20m

£387

MiamiLondon

MIA - LHR

MIALHR

Miami

dom 8/2

17:15-10:50

1 stop12h 35m

London Heathrow

ven 20/2

20:35-20:55

1 stop29h 20m

£387

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 21 results
1
2
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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 22 August 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 £112). Flying from Miami to London Heathrow Airport in August is currently the most expensive (average of £164). 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 29 agosto 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 29 agosto 2025.
Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as Finnair, Air France, andVirgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

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.
Finnair
7.6
Good
1,321 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

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.
Air France
7.4
Good
1,472 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

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.
Virgin Atlantic
7.4
Good
661 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

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.
Iberia
7.0
Good
2,894 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

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.
British Airways
6.7
Okay
7,320 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

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 10h 45m. 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?

    KLM, at £295, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include Air France and Virgin Atlantic. KLM is currently priced 44% 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: Aeromexico (89%), Air France (88%), KLM (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 £516, our data shows the cheapest flight currently is £203. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £345 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 £112). Flying from Miami to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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.

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 29 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£295Average£448FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£298Average£514FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£328Average£571FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£358Average£604FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£378Average£575FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IberiaCheapest£418Average£628FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£477Average£849FlexibilityNo cancel feeOn-time76%
Search Finnair 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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