Cheap flights from Miami to London Heathrow Airport from £319

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in September or August, 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 9 April 2026.

Thu 5/1119:55
MIA
-
LHR
1 stop32h 25m
Scandinavian Airlines
Wed 11/1121:05
LHR
-
MIA
2 stops26h 00m
Scandinavian Airlines
Deal found 4/4£525
Tue 5/516:30
MIA
-
LHR
1 stop12h 50m
TAP AIR PORTUGAL
Tue 12/506:00
LHR
-
MIA
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 5/4£528
Mon 9/1119:55
MIA
-
LHR
1 stop32h 25m
Scandinavian Airlines
Thu 12/1110:20
LHR
-
MIA
1 stop36h 45m
Scandinavian Airlines
Deal found 6/4£528
Mon 2/1119:55
MIA
-
LHR
1 stop32h 25m
Scandinavian Airlines
Thu 12/1106:40
LHR
-
MIA
1 stop16h 25m
Scandinavian Airlines
Deal found 6/4£530
Sun 18/1016:30
MIA
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Tue 24/1106:00
LHR
-
MIA
1 stop13h 50m
TAP AIR PORTUGAL
Deal found 6/4£530
Mon 2/1119:55
MIA
-
LHR
1 stop32h 25m
Scandinavian Airlines
Thu 3/1219:30
LHR
-
MIA
1 stop27h 35m
Scandinavian Airlines
Deal found 7/4£533
Sun 8/1100:05
MIA
-
LHR
1 stop12h 25m
TAP AIR PORTUGAL
Tue 24/1106:00
LHR
-
MIA
1 stop13h 50m
TAP AIR PORTUGAL
Deal found 8/4£539
Sun 19/400:30
MIA
-
LHR
1 stop17h 25m
TAP AIR PORTUGAL
Tue 5/506:00
LHR
-
MIA
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 6/4£539
Mon 2/1116:50
MIA
-
LHR
1 stop14h 50m
TAP AIR PORTUGAL
Mon 9/1118:30
LHR
-
MIA
1 stop25h 20m
TAP AIR PORTUGAL
Deal found 8/4£540
Sun 3/500:30
MIA
-
LHR
1 stop28h 50m
TAP AIR PORTUGAL
Mon 11/519:50
LHR
-
MIA
1 stop23h 45m
TAP AIR PORTUGAL
Deal found 4/4£541

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 9 April 2026.

Round-trip from

£528

One-way from

£319

Popular in

December

Cheapest in

September

Average price

£596

Good round-trip deal

£597 or less

Good one-way deal

£352 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/5-12/5
  • 2 total stops
  • 26h 25m total
  • Miami to London
13/5
  • 13/5
  • 2 total stops
  • 18h 03m total
  • Miami to London
Highest demand for flights based on searches. 6% potential increase in price (£31 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in April 2026
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 9 April 2026.
Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 24/8

13:34-06:55

1 stop12h 21m

London Heathrow

Sat 5/9

08:45-17:25

1 stop13h 40m

£710

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 16/9

11:35-17:40

2 stops25h 05m

London Heathrow

Sun 27/9

10:20-23:13

2 stops17h 53m

£721

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 18/5

22:35-12:35

Nonstop9h 00m

London Heathrow

Fri 5/6

06:15-17:50

1 stop16h 35m

£738

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 1/5

18:05-08:05

Nonstop9h 00m

London Heathrow

Sat 16/5

11:30-20:15

1 stop13h 45m

£748
Fastest return journey

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 19/8

17:00-06:55

Nonstop8h 55m

London Heathrow

Sun 13/9

09:55-14:30

Nonstop9h 35m

£756

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 20/4

11:18-16:00

2 stops23h 42m

London Heathrow

Wed 29/4

19:50-23:29

2 stops32h 39m

£794

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 30/4

15:18-07:15

1 stop10h 57m

London Heathrow

Sun 3/5

10:55-15:50

Nonstop9h 55m

£805

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 22/7

18:05-08:05

Nonstop9h 00m

London Heathrow

Thu 30/7

13:25-23:39

1 stop15h 14m

£815

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 31/5

19:30-14:35

1 stop14h 05m

London Heathrow

Thu 11/6

06:30-14:45

1 stop13h 15m

£821

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 15/6

18:05-08:05

Nonstop9h 00m

London Heathrow

Tue 3/11

06:30-15:00

1 stop13h 30m

£824

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 22 resultsSorted by cheapest first
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 3 April 2026.

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, February is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £351). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £447). 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 9 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to London Heathrow Airport as you normally would.

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 9 April 2026.
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.

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 31 flights from Miami to London Heathrow per day from 5 different airlines.

  • How long is the flight from Miami to London Heathrow Airport?

    Departing from Miami to London Heathrow Airport will take you 8h 50m. 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 £405, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. KLM is currently priced 28% 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 £279 and £279 on Virgin Atlantic and Delta, 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 (89%), Delta (89%), Virgin Atlantic (89%).

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

    While on average a flight from Miami to London Heathrow Airport is generally £1,065, our data shows the cheapest flight currently is £198. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £511 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, February is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £351). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £447). 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
Wembley
Croydon
Northampton
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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 5 airlines flying from Miami to Heathrow

Discover the top 5 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 9 April 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£405Average£542FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£408Average£578FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£424Average£644FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£480Average£854FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£555Average£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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