Cheap flights from Miami to London Heathrow Airport from £267

MIA — LHR
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or April, booked 55 days in advance, depart on a Thursday or Monday 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

Mon 30/1119:55 -
2 stops32h 00m
Sat 5/1206:40 -
2 stops16h 25m
Deal found 4/11£583
Mon 30/1116:50 -
1 stop19h 40m
Sat 5/1209:55 -
1 stop15h 00m
Deal found 4/11£584
Mon 9/1119:55 -
2 stops15h 30m
Tue 17/1106:40 -
2 stops21h 23m
Deal found 4/11£585
Fri 13/1119:55 -
1 stop17h 35m
Fri 2/419:50 -
2 stops32h 19m
Deal found 8/11£585
Sun 29/1117:15 -
1 stop12h 35m
Tue 8/1212:15 -
1 stop13h 35m
Deal found 6/11£586
Mon 23/1107:05 -
2 stops29h 35m
Thu 26/1118:40 -
1 stop28h 25m
Deal found 4/11£587
Tue 10/1107:19 -
2 stops29h 21m
Sun 15/1106:40 -
1 stop16h 25m
Deal found 7/11£588
Wed 4/1123:50 -
1 stop16h 45m
Tue 10/1118:30 -
1 stop25h 30m
Deal found 4/11£588
Tue 24/1107:05 -
2 stops27h 55m
Sat 5/1206:40 -
2 stops16h 25m
Deal found 5/11£589
Thu 12/1119:55 -
2 stops20h 25m
Mon 16/1106:40 -
2 stops23h 16m
Deal found 4/11£590
Mon 16/1107:05 -
2 stops27h 55m
Wed 6/106:40 -
1 stop16h 25m
Deal found 7/11£591
Tue 24/1107:05 -
2 stops27h 55m
Sun 29/1106:40 -
1 stop16h 25m
Deal found 4/11£591

Find flight deals from Miami to Heathrow

Round-trip from

£582

One-way from

£267

Popular in

July

Cheapest in

February

Average price

£768

Good round-trip deal

£747 or less

Good one-way deal

£340 or less
Lufthansa
  • Lufthansa
  • 11/2-16/2
  • 2 total stops
  • 29h 10m total
  • Miami to London
8/12-31/12
  • 8/12-31/12
  • 3 total stops
  • 22h 45m total
  • Miami to London
Highest demand for flights based on searches. 14% potential increase in price (£97 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in November 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

 
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 Miami - LHR London Heathrow

MIALHR

Miami

Fri 19/3

23:55-13:05

Nonstop9h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£284

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Thu 7/1

21:10-14:25

1 stop12h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£393

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Fri 25/12

23:50-22:40

1 stop17h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£402

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Sat 12/12

21:10-14:25

1 stop12h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£411

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Thu 3/12

11:10-21:35

2 stops29h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£468

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Wed 16/12

17:15-17:30

2 stops19h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£482

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 29/12

13:56-12:00

2 stops17h 04m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£496
Fastest return journey

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Sun 15/11

22:50-12:35

Nonstop8h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£500

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Mon 11/1

22:50-12:35

Nonstop8h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£500

MiamiLondon

MIA Miami - LHR London Heathrow

MIALHR

Miami

Tue 5/1

22:50-12:35

Nonstop8h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£500

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 24 resultsSorted by cheapest first
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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

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?

Booking 54 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 £569). Flying from Miami to London Heathrow Airport in July is currently the most expensive (average of £935). 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?

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?

Airfare is below average for this route at the moment.

Miami to London Heathrow Airport flights typically cost between £602 and £864 in February.
The cheapest return price found within the last 5 days was £582 on Multiple Airlines (11 Feb–16 Feb).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM,Virgin Atlantic, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Food

7.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Food

7.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Food

7.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Food

7.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

  • 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 26 flights from Miami to London Heathrow per day from 4 different airlines.

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

    Departing from Miami to London Heathrow Airport will take you 15h 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 £435, 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 42% 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 £218. Users have also found prices from £236 and £243 on Iberia 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: Aer Lingus (89%), Malaysia Airlines (86%), American Airlines (85%).

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

    While on average a flight from Miami to London Heathrow Airport is generally £742, our data shows the cheapest flight currently is £244. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £376 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 £569). Flying from Miami to London Heathrow Airport in July is currently the most expensive (average of £935). 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
Hounslow
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Northampton
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Miami to Heathrow

AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£435Average£647FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£483Average£856FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£493Average£787FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£557Average£855FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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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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