How long is the flight from London Heathrow Airport to Florida Keys?

There are many flights that can get you from London Heathrow Airport to Florida Keys in 9h 55m. Fly via LEVEL, Delta, or United Airlines to get the fastest option. The distance between London Heathrow Airport and Florida Keys is about 4414 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from London Heathrow Airport to Florida Keys one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £185. Aer Lingus flights start at £291 while deals on Lufthansa start at £301 one-way.

In terms of precipitation, rainfall in Florida Keys ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Florida Keys when rainfall is around 41.0 mm.

If weather is an important factor for your trip to Florida Keys, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

What are the most popular airlines that fly from London Heathrow Airport to Florida Keys?

When booking a flight from London Heathrow Airport to Florida Keys, you may want to consider flying on Virgin Atlantic, British Airways or Iberia as they are the most popular for this route.

What is the cheapest time of day to fly from LHR to EOA?

When flying from London Heathrow Airport to Florida Keys, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Heathrow to Florida Keys that include hotel bookings?

Yes. In addition to deals on Heathrow to Florida Keys flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Florida Keys?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Florida Keys.

Can I find deals for business class flights from Heathrow to Florida Keys?

Yes. Cheapflights offers flight deals from Heathrow to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£376+ Cheap Flights from London Heathrow Airport to Florida Keys

Cheap flight deals from Heathrow to Florida Keys

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Heathrow to Florida Keys
Explore the most affordable flight options available from Heathrow to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Tue 1/913:50 -

1 stop32h 35m

Thu 3/913:44 -

2 stops25h 56m

Deal found 3/8£465

Mon 21/910:55 -

Nonstop9h 55m

Wed 7/1018:05 -

Nonstop9h 00m

Deal found 5/8£468

Tue 29/906:30 -

1 stop13h 15m

Tue 13/1018:05 -

Nonstop9h 00m

Deal found 7/8£470

Tue 8/920:50 -

1 stop28h 10m

Fri 25/922:00 -

1 stop30h 10m

Deal found 7/8£471

Mon 7/910:55 -

Nonstop9h 55m

Tue 15/918:05 -

Nonstop9h 00m

Deal found 2/8£472

Mon 31/809:55 -

1 stop15h 05m

Wed 23/922:00 -

1 stop30h 10m

Deal found 4/8£474

Thu 10/920:50 -

1 stop28h 10m

Wed 16/922:00 -

1 stop30h 10m

Deal found 4/8£474

Mon 2/1120:35 -

1 stop29h 15m

Wed 11/1117:15 -

1 stop21h 15m

Deal found 7/8£475

Mon 21/906:00 -

1 stop16h 30m

Wed 7/1008:15 -

1 stop17h 15m

Deal found 6/8£476

Tue 15/906:30 -

1 stop13h 15m

Fri 9/1019:40 -

2 stops19h 30m

Deal found 4/8£477

Mon 7/920:00 -

2 stops27h 31m

Wed 7/1020:03 -

1 stop11h 32m

Deal found 5/8£581

Mon 21/917:10 -

2 stops29h 13m

Sun 4/1018:19 -

1 stop31h 06m

Deal found 3/8£585

Best flights from Heathrow to Florida Keys
Discover carefully curated flight deals from Heathrow to Florida Keys that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Mon 31/809:55 -

1 stop15h 05m

Mon 21/922:00 -

1 stop30h 10m

Deal found 5/8£478

Mon 21/910:55 -

Nonstop9h 55m

Wed 7/1018:05 -

Nonstop9h 00m

Deal found 6/8£512

Fri 25/908:40 -

1 stop13h 45m

Wed 7/1019:40 -

1 stop15h 45m

Deal found 4/8£514

Sun 13/906:30 -

1 stop13h 10m

Sat 19/911:26 -

1 stop13h 29m

Deal found 6/8£519

Mon 21/910:55 -

Nonstop9h 55m

Wed 7/1018:05 -

Nonstop9h 00m

Deal found 4/8£528

Wed 30/906:15 -

2 stops18h 02m

Sun 4/1019:47 -

1 stop32h 13m

Deal found 4/8£609

Sun 6/907:25 -

2 stops20h 09m

Sun 13/913:44 -

2 stops14h 36m

Deal found 6/8£523

Tue 3/1109:40 -

Nonstop9h 55m

Thu 12/1117:10 -

Nonstop8h 20m

Deal found 4/8£529

Thu 3/907:30 -

2 stops16h 22m

Mon 28/913:26 -

2 stops14h 54m

Deal found 4/8£523

Tue 1/906:15 -

2 stops17h 16m

Tue 8/913:40 -

2 stops18h 55m

Deal found 2/8£623

Wed 9/907:30 -

2 stops16h 22m

Sat 3/1012:29 -

2 stops15h 51m

Deal found 7/8£523

Fri 4/907:30 -

2 stops16h 22m

Mon 7/911:30 -

1 stop15h 15m

Deal found 7/8£523

Fri 4/1210:45 -

2 stops37h 49m

Tue 8/1212:00 -

2 stops23h 35m

Deal found 6/8£650

Sat 3/1006:50 -

2 stops17h 02m

Sat 10/1012:29 -

2 stops15h 51m

Deal found 2/8£526

Fri 18/919:40 -

2 stops28h 37m

Fri 25/913:47 -

1 stop17h 48m

Deal found 4/8£661

Wed 2/907:30 -

2 stops34h 59m

Fri 11/914:20 -

1 stop25h 20m

Deal found 5/8£633

Fri 9/1006:50 -

2 stops36h 28m

Sun 25/1014:50 -

1 stop11h 30m

Deal found 3/8£637

Find flight deals from Heathrow to Florida Keys

Round-trip from	£465
One-way from	£376
Popular in	December
Cheapest in	September
Average price	£617

Lufthansa
1/9-3/9
3 total stops
58h 31m total
London to Florida Keys

Search Deals

Iberia
18/8
1 total stop
26h 55m total
London to Florida Keys

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Mon 31/8

09:55-20:00

1 stop15h 05m

Miami

Mon 21/9

22:00-09:10

1 stop30h 10m

£478

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Mon 21/9

10:55-15:50

Nonstop9h 55m

Miami

Wed 7/10

18:05-08:05

Nonstop9h 00m

£512

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 25/9

08:40-17:25

1 stop13h 45m

Miami

Wed 7/10

19:40-16:25

1 stop15h 45m

£514

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 13/9

06:30-14:40

1 stop13h 10m

Miami

Sat 19/9

11:26-05:55

1 stop13h 29m

£519

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 6/9

07:25-22:34

2 stops20h 09m

Miami

Sun 13/9

13:44-09:20

2 stops14h 36m

£523

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Thu 3/9

07:30-18:52

2 stops16h 22m

Miami

Mon 28/9

13:26-09:20

2 stops14h 54m

£523

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Wed 9/9

07:30-18:52

2 stops16h 22m

Miami

Sat 3/10

12:29-09:20

2 stops15h 51m

£523

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 4/9

07:30-18:52

2 stops16h 22m

Miami

Mon 7/9

11:30-07:45

1 stop15h 15m

£523

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sat 3/10

06:50-18:52

2 stops17h 02m

Miami

Sat 10/10

12:29-09:20

2 stops15h 51m

£526

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Mon 21/9

10:55-15:50

Nonstop9h 55m

Miami

Wed 7/10

18:05-08:05

Nonstop9h 00m

£528

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 35 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Heathrow with our price prediction graph.

LHR-MIA

LHR-EYW

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 London Heathrow Airport to Florida Keys

LHR-zzEOA

LHR-MIA

LHR-EYW

What is the cheapest month to book a flight from London Heathrow Airport to Florida Keys?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Florida Keys (average of £488). Flying from London Heathrow Airport to Florida Keys in August is currently the most expensive (average of £638). 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.

How far ahead should I book a flight from London Heathrow Airport to Florida Keys?

The best time to book flights from London Heathrow Airport to Florida Keys is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Florida Keys

Read reviews from past customers who have flown with KLM,Virgin Atlantic, andAmerican Airlines from London Heathrow Airport to Florida Keys. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

KLM

7.8

Good

1,555 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Virgin Atlantic

7.5

Good

694 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

American Airlines

7.1

Good

11,874 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Iberia

7.0

Good

3,264 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

British Airways

6.7

Okay

8,150 reviews

KLM

7.8

Good

1,555 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

How long is the flight from London Heathrow Airport to Florida Keys?
There are many flights that can get you from London Heathrow Airport to Florida Keys in 9h 55m. Fly via LEVEL, Delta, or United Airlines to get the fastest option. The distance between London Heathrow Airport and Florida Keys is about 4414 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from London Heathrow Airport to Florida Keys one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £185. Aer Lingus flights start at £291 while deals on Lufthansa start at £301 one-way.
Can I find deals for flights from Heathrow to Florida Keys that include hotel bookings?
Yes. In addition to deals on Heathrow to Florida Keys flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Florida Keys?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Florida Keys.
Can I find deals for business class flights from Heathrow to Florida Keys?
Yes. Cheapflights offers flight deals from Heathrow to Florida Keys 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 London Heathrow Airport to Florida Keys?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Florida Keys (average of £488). Flying from London Heathrow Airport to Florida Keys in August is currently the most expensive (average of £638). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Florida Keys

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Top 2 airlines flying from Heathrow to Florida Keys

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£469	Average£539	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£469	Average£709	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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

When you search for this flight from Heathrow to Florida Keys, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Florida Keys for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Florida Keys, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Heathrow to Florida Keys on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from London Heathrow Airport to Florida Keys from £376

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Florida Keys

Cheapest flights from Heathrow to Florida KeysExplore the most affordable flight options available from Heathrow to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Explore the most affordable flight options available from Heathrow to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Best flights from Heathrow to Florida KeysDiscover carefully curated flight deals from Heathrow to Florida Keys that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Discover carefully curated flight deals from Heathrow to Florida Keys that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Direct flights from Heathrow to Florida KeysExplore direct flight options from Heathrow to Florida Keys based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Explore direct flight options from Heathrow to Florida Keys based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Last-minute flights from Heathrow to Florida KeysDiscover last-minute flight deals from Heathrow to Florida Keys. Data last updated 7 August 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Florida Keys. Data last updated 7 August 2026 and is based on user searches.

One-way flights from Heathrow to Florida KeysSearch for one-way flight options from Heathrow to Florida Keys. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

Search for one-way flight options from Heathrow to Florida Keys. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.

Find flight deals from Heathrow to Florida Keys

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Heathrow with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Heathrow Airport to Florida Keys?

How far ahead should I book a flight from London Heathrow Airport to Florida Keys?

The best time to book flights from London Heathrow Airport to Florida Keys is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Florida Keys

Read reviews from past customers who have flown with KLM,Virgin Atlantic, andAmerican Airlines from London Heathrow Airport to Florida Keys. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Heathrow Airport to Florida Keys?

What are the cheapest airlines to fly from London Heathrow Airport to Florida Keys one-way?

Can I find deals for flights from Heathrow to Florida Keys that include hotel bookings?

How can I find direct flights from Heathrow to Florida Keys?

Can I find deals for business class flights from Heathrow to Florida Keys?

What is the cheapest month to book a flight from London Heathrow Airport to Florida Keys?

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 Heathrow to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Florida Keys by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Heathrow to Florida Keys by cabin class

Find flights from Heathrow to Florida Keys, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Florida Keys flights

Browse other Heathrow and Florida Keys flight options. Last updated on 7 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Heathrow to Florida Keys

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

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

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

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

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Travel Smart

Cheapest flights from Heathrow to Florida Keys
Explore the most affordable flight options available from Heathrow to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Best flights from Heathrow to Florida Keys
Discover carefully curated flight deals from Heathrow to Florida Keys that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 August 2026.

Direct flights from Heathrow to Florida Keys
Explore direct flight options from Heathrow to Florida Keys based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 August 2026.

Last-minute flights from Heathrow to Florida Keys
Discover last-minute flight deals from Heathrow to Florida Keys. Data last updated 7 August 2026 and is based on user searches.

One-way flights from Heathrow to Florida Keys
Search for one-way flight options from Heathrow to Florida Keys. Find affordable one-way fares based on user searches. Data last updated 7 August 2026.