£117+ Flights from Florida Keys to London Heathrow Airport | Cheapflights

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Cheap flight deals from Florida Keys to Heathrow

Round-trip from	£343
One-way from	£117

British Airways

British Airways
13/10-31/10
Nonstop
18h 55m total
Florida Keys to London

TAP AIR PORTUGAL

TAP AIR PORTUGAL
7/10
1 total stop
21h 20m total
Florida Keys to London

Find flight deals from Florida Keys to Heathrow

Cheapest flights from Florida Keys to Heathrow
Explore the most affordable flight options available from Florida Keys to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Mon 13/1017:00MIA - LHR

Nonstop8h 55mBritish Airways

Fri 31/1014:30LHR - MIA

Nonstop10h 00mBritish Airways

Deal found 24/8£343

Fri 14/1119:55MIA - LHR

2 stops32h 00mScandinavian Airlines

Sun 16/1119:30LHR - MIA

1 stop27h 35mScandinavian Airlines

Deal found 25/8£347

Wed 5/1119:05MIA - LHR

1 stop15h 30mAer Lingus

Wed 12/1109:50LHR - MIA

1 stop12h 20mAer Lingus

Deal found 26/8£355

Mon 22/919:35MIA - LHR

Nonstop8h 50mBritish Airways

Mon 29/913:40LHR - MIA

Nonstop9h 45mBritish Airways

Deal found 23/8£362

Wed 1/1019:20MIA - LHR

1 stop10h 55mBritish Airways

Sun 5/1013:40LHR - MIA

Nonstop9h 45mBritish Airways

Deal found 24/8£363

Wed 5/1122:40MIA - LHR

Nonstop8h 25mIberia

Wed 12/1109:55LHR - MIA

1 stop15h 05mIberia

Deal found 24/8£366

Tue 14/1021:05MIA - LHR

Nonstop8h 30mIberia

Wed 29/1011:25LHR - MIA

1 stop14h 20mIberia

Deal found 25/8£367

Sun 7/919:25MIA - LHR

Nonstop9h 00mVirgin Atlantic

Tue 23/910:45LHR - MIA

Nonstop10h 00mVirgin Atlantic

Deal found 24/8£370

Tue 2/1211:45EYW - LHR

1 stop15h 05mAir France

Fri 12/1208:55LHR - EYW

1 stop15h 49mAir France

Deal found 26/8£517

Tue 2/1211:45EYW - LHR

1 stop15h 05mMultiple Airlines

Fri 12/1206:30LHR - EYW

2 stops15h 42mMultiple Airlines

Deal found 26/8£521

Tue 2/1215:02EYW - LHR

2 stops14h 48mUnited Airlines

Fri 12/1216:20LHR - EYW

2 stops26h 46mUnited Airlines

Deal found 26/8£534

Fri 10/1013:04EYW - LHR

1 stop12h 26mJetBlue

Fri 17/1008:25LHR - EYW

1 stop32h 44mJetBlue

Deal found 26/8£562

Best flights from Florida Keys to Heathrow
Discover carefully curated flight deals from Florida Keys to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 August 2025.

Mon 10/1122:00MIA - LHR

Nonstop8h 30mBritish Airways

Thu 20/1111:25LHR - MIA

1 stop14h 20mBritish Airways

Deal found 23/8£367

Fri 6/220:40MIA - LHR

2 stops31h 15mScandinavian Airlines

Mon 9/206:40LHR - MIA

2 stops21h 51mScandinavian Airlines

Deal found 25/8£369

Wed 5/1117:10MIA - LHR

Nonstop8h 50mDelta

Thu 13/1106:30LHR - MIA

1 stop13h 20mDelta

Deal found 24/8£378

Wed 15/1019:25MIA - LHR

Nonstop9h 00mVirgin Atlantic

Fri 31/1006:30LHR - MIA

1 stop13h 20mVirgin Atlantic

Deal found 24/8£378

Tue 2/1211:45EYW - LHR

1 stop15h 05mAir France

Fri 12/1208:55LHR - EYW

1 stop15h 49mAir France

Deal found 26/8£517

Tue 2/1211:45EYW - LHR

1 stop15h 05mMultiple Airlines

Fri 12/1206:30LHR - EYW

2 stops15h 42mMultiple Airlines

Deal found 26/8£521

Tue 2/1215:02EYW - LHR

2 stops14h 48mUnited Airlines

Fri 12/1216:20LHR - EYW

2 stops26h 46mUnited Airlines

Deal found 26/8£534

Fri 10/1013:04EYW - LHR

1 stop12h 26mJetBlue

Fri 17/1008:25LHR - EYW

1 stop32h 44mJetBlue

Deal found 26/8£562

Fri 10/1013:25EYW - LHR

1 stop15h 00mAmerican Airlines

Fri 17/1020:10LHR - EYW

2 stops21h 00mAmerican Airlines

Deal found 26/8£605

Mon 19/120:40MIA - LHR

2 stops19h 55mScandinavian Airlines

Sun 1/209:55LHR - MIA

1 stop13h 40mScandinavian Airlines

Deal found 24/8£377

Mon 20/1022:30MIA - LHR

Nonstop8h 45mDelta

Thu 30/1006:30LHR - MIA

1 stop13h 20mDelta

Deal found 24/8£378

Mon 20/1022:30MIA - LHR

Nonstop8h 45mDelta

Fri 31/1006:30LHR - MIA

1 stop13h 20mDelta

Deal found 25/8£378

Direct flights from Florida Keys to Heathrow
Explore direct flight options from Florida Keys to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 August 2025.

Wed 1/1017:00MIA - LHR

Nonstop8h 55mBritish Airways

Sun 5/1013:40LHR - MIA

Nonstop9h 45mBritish Airways

Deal found 24/8£363

Wed 1/1019:25MIA - LHR

Nonstop9h 00mVirgin Atlantic

Fri 10/1015:55LHR - MIA

Nonstop9h 40mVirgin Atlantic

Deal found 25/8£367

Wed 15/1021:05MIA - LHR

Nonstop8h 30mBritish Airways

Thu 30/1014:30LHR - MIA

Nonstop10h 00mBritish Airways

Deal found 25/8£367

Sun 7/922:30MIA - LHR

Nonstop8h 45mVirgin Atlantic

Tue 23/915:55LHR - MIA

Nonstop9h 40mVirgin Atlantic

Deal found 25/8£373

Wed 15/1017:00MIA - LHR

Nonstop8h 55mFinnair

Tue 28/1014:30LHR - MIA

Nonstop10h 00mFinnair

Deal found 25/8£379

Sun 7/917:00MIA - LHR

Nonstop8h 55mBritish Airways

Tue 16/909:55LHR - MIA

Nonstop9h 30mBritish Airways

Deal found 25/8£380

Mon 8/920:45MIA - LHR

Nonstop8h 50mFinnair

Tue 23/913:40LHR - MIA

Nonstop9h 45mFinnair

Deal found 25/8£381

Wed 1/1020:45MIA - LHR

Nonstop8h 50mBritish Airways

Tue 7/1009:55LHR - MIA

Nonstop9h 35mBritish Airways

Deal found 25/8£381

Wed 5/1122:40MIA - LHR

Nonstop8h 25mIberia

Fri 14/1112:10LHR - MIA

Nonstop10h 05mIberia

Deal found 25/8£382

Sun 7/919:25MIA - LHR

Nonstop9h 00mDelta

Tue 23/910:45LHR - MIA

Nonstop10h 00mDelta

Deal found 25/8£383

Mon 6/1017:00MIA - LHR

Nonstop8h 55mBritish Airways

Wed 15/1009:55LHR - MIA

Nonstop9h 35mBritish Airways

Deal found 24/8£384

Wed 1/1019:35MIA - LHR

Nonstop8h 50mIberia

Fri 10/1012:15LHR - MIA

Nonstop9h 50mIberia

Deal found 26/8£390

Last-minute flights from Florida Keys to Heathrow
Discover last-minute flight deals from Florida Keys to Heathrow. Data last updated 27 August 2025 and is based on user searches.

Wed 3/910:55MIA - LHR

1 stop19h 10mIberia

Wed 17/909:15LHR - MIA

1 stop15h 40mIberia

Deal found 23/8£371

Sun 7/919:35MIA - LHR

Nonstop8h 50mIberia

Wed 17/909:15LHR - MIA

1 stop15h 40mIberia

Deal found 23/8£367

Sun 7/919:25MIA - LHR

Nonstop9h 00mVirgin Atlantic

Tue 23/910:45LHR - MIA

Nonstop10h 00mVirgin Atlantic

Deal found 24/8£370

Mon 8/916:00MIA - LHR

1 stop11h 05mIberia

Tue 23/920:00LHR - MIA

1 stop24h 05mIberia

Deal found 25/8£379

Tue 9/916:00MIA - LHR

1 stop11h 05mIberia

Wed 17/909:15LHR - MIA

1 stop15h 40mIberia

Deal found 24/8£372

Mon 22/919:35MIA - LHR

Nonstop8h 50mBritish Airways

Mon 29/913:40LHR - MIA

Nonstop9h 45mBritish Airways

Deal found 23/8£362

Wed 24/903:55MIA - LHR

1 stop14h 00mTAP AIR PORTUGAL

Wed 8/1018:45LHR - MIA

1 stop25h 00mTAP AIR PORTUGAL

Deal found 25/8£374

One-way flights from Florida Keys to Heathrow
Search for one-way flight options from Florida Keys to Heathrow. Find affordable one-way fares based on user searches. Data last updated 27 August 2025.

Tue 7/1016:30MIA - LHR

1 stop21h 20mTAP AIR PORTUGAL

Deal found 25/8£117

Mon 6/1016:35MIA - LHR

1 stop20h 10mTAP AIR PORTUGAL

Deal found 25/8£118

Sun 16/1123:50MIA - LHR

1 stop12h 40mTAP AIR PORTUGAL

Deal found 24/8£122

Sun 19/1000:35MIA - LHR

1 stop13h 15mTAP AIR PORTUGAL

Deal found 24/8£122

Wed 8/1003:55MIA - LHR

1 stop14h 00mTAP AIR PORTUGAL

Deal found 24/8£123

Thu 2/1016:30MIA - LHR

1 stop13h 30mTAP AIR PORTUGAL

Deal found 25/8£124

Mon 13/1016:35MIA - LHR

1 stop15h 10mTAP AIR PORTUGAL

Deal found 26/8£125

Sat 4/1016:30MIA - LHR

1 stop20h 15mTAP AIR PORTUGAL

Deal found 26/8£125

Fri 3/1016:35MIA - LHR

1 stop15h 10mTAP AIR PORTUGAL

Deal found 24/8£126

Mon 29/916:35MIA - LHR

1 stop25h 20mTAP AIR PORTUGAL

Deal found 26/8£128

Cheapflights Fare Finder

Use the filters below to find and compare flights from Florida Keys to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 10/11

22:00-11:30

Nonstop8h 30m

London Heathrow

Thu 20/11

11:25-20:45

1 stop14h 20m

£367

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 6/2

20:40-08:55

2 stops31h 15m

London Heathrow

Mon 9/2

06:40-23:31

2 stops21h 51m

£369

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 19/1

20:40-21:35

2 stops19h 55m

London Heathrow

Sun 1/2

09:55-18:35

1 stop13h 40m

£377

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/11

17:10-07:00

Nonstop8h 50m

London Heathrow

Thu 13/11

06:30-14:50

1 stop13h 20m

£378

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 15/10

19:25-09:25

Nonstop9h 00m

London Heathrow

Fri 31/10

06:30-15:50

1 stop13h 20m

£378

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 20/10

22:30-12:15

Nonstop8h 45m

London Heathrow

Thu 30/10

06:30-15:50

1 stop13h 20m

£378

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 20/10

22:30-12:15

Nonstop8h 45m

London Heathrow

Fri 31/10

06:30-15:50

1 stop13h 20m

£378

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 13/10

19:25-09:25

Nonstop9h 00m

London Heathrow

Fri 31/10

06:30-15:50

1 stop13h 20m

£378

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 4/11

17:10-07:00

Nonstop8h 50m

London Heathrow

Thu 13/11

06:30-14:50

1 stop13h 20m

£378

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 19/10

22:30-12:15

Nonstop8h 45m

London Heathrow

Fri 31/10

06:30-15:50

1 stop13h 20m

£378

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 27 results

1

2

3

Best time to book a flight from Florida Keys to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Florida Keys 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 Florida Keys to London Heathrow Airport

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Florida Keys to London Heathrow Airport, such as Finnair, Air France, andVirgin Atlantic. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

7.6

Good

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.6

Good

7.6

Good

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.4

Good

7.6

Good

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Virgin Atlantic

7.4

Good

7.6

Good

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.0

Good

7.6

Good

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

British Airways

6.7

Okay

7.6

Good

Reviews

1 / 20

4.0

Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

How long is the flight from Florida Keys to London Heathrow Airport?
A quick flight from Florida Keys to London Heathrow Airport can take about 8h 30m. British Airways provides one of the quickest options available for as low as £367. Florida Keys and London Heathrow Airport are separated by a distance of 4414 mi. This flight may include one or multiple stops.
Can I find deals for flights from Florida Keys to Heathrow that include hotel bookings?
Yes. In addition to deals on Florida Keys to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Florida Keys to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florida Keys to Heathrow.
Can I find deals for business class flights from Florida Keys to Heathrow?
Yes. Cheapflights offers flight deals from Florida Keys 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 Florida Keys to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Florida Keys to London Heathrow Airport (average of £112). Flying from Florida Keys 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

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

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Fly with Cheapflights

How does Cheapflights help users find flights from Florida Keys to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Florida Keys today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Florida Keys to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Florida Keys to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Florida Keys to Heathrow with no change fees?

Yes, we can. To see specific flights from Florida Keys to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Florida Keys to Heathrow become cheaper?

Of course! You can now track prices for flights from Florida Keys to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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