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Cheap flights from the United Kingdom to Florida Keys from £250

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Florida Keys
Explore the most affordable flight options available from United Kingdom to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Mon 7/919:50
LHR
-
MIA
1 stop23h 45m
TAP AIR PORTUGAL
Sun 13/900:30
MIA
-
LHR
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 24/7£463
Mon 7/915:00
LHR
-
MIA
2 stops28h 35m
Multiple Airlines
Mon 14/916:20
MIA
-
LHR
2 stops16h 55m
Multiple Airlines
Deal found 24/7£464
Wed 2/908:20
STN
-
MIA
2 stops35h 15m
Multiple Airlines
Fri 18/900:20
MIA
-
STN
2 stops25h 50m
Multiple Airlines
Deal found 24/7£465
Thu 15/1006:00
LHR
-
MIA
1 stop13h 35m
TAP AIR PORTUGAL
Sun 25/1000:50
MIA
-
LHR
1 stop17h 50m
TAP AIR PORTUGAL
Deal found 24/7£465
Wed 14/1011:20
LHR
-
MIA
1 stop17h 05m
TAP AIR PORTUGAL
Sun 25/1017:50
MIA
-
LHR
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 24/7£466
Thu 27/808:00
LGW
-
MIA
2 stops35h 35m
Multiple Airlines
Wed 9/903:50
MIA
-
LGW
2 stops35h 25m
Multiple Airlines
Deal found 24/7£466
Sun 6/913:45
LHR
-
MIA
1 stop13h 35m
TAP AIR PORTUGAL
Fri 18/900:20
MIA
-
LHR
1 stop13h 30m
TAP AIR PORTUGAL
Deal found 24/7£467
Thu 17/917:35
STN
-
MIA
2 stops26h 00m
Multiple Airlines
Fri 25/916:20
MIA
-
STN
2 stops27h 00m
Multiple Airlines
Deal found 24/7£468
Sat 5/919:50
LHR
-
MIA
1 stop23h 45m
TAP AIR PORTUGAL
Fri 11/900:20
MIA
-
LHR
1 stop13h 30m
TAP AIR PORTUGAL
Deal found 22/7£468
Wed 26/820:35
LTN
-
MIA
2 stops27h 10m
Multiple Airlines
Wed 9/921:30
MIA
-
LTN
2 stops17h 25m
Multiple Airlines
Deal found 24/7£468
Tue 3/1116:35
LGW
-
MIA
1 stop27h 15m
TAP AIR PORTUGAL
Thu 12/1116:50
MIA
-
LGW
1 stop18h 00m
TAP AIR PORTUGAL
Deal found 23/7£468
Mon 21/919:50
LHR
-
MIA
1 stop23h 45m
TAP AIR PORTUGAL
Sun 27/900:30
MIA
-
LHR
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 23/7£468

Find flight deals from United Kingdom to Florida Keys

Keep the following information in mind while searching for United Kingdom to Florida Keys flight deals. Data was last updated 25 July 2026.

Round-trip from

£441

One-way from

£250

Popular in

December

Cheapest in

September

Average price

£618
15/9-29/9
  • 15/9-29/9
  • 3 total stops
  • 43h 15m total
  • United Kingdom to Florida Keys
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 30h 55m total
  • United Kingdom 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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Florida Keys 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 25 July 2026.
Use the filters below to find and compare flights from the United Kingdom to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Thu 3/9

14:50-14:35

1 stop28h 45m

Miami

Wed 9/9

03:50-09:45

1 stop24h 55m

£495

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 26/8

08:40-17:25

1 stop13h 45m

Miami

Sat 5/9

11:26-05:55

1 stop13h 29m

£519

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 30/8

13:50-17:30

1 stop32h 40m

Miami

Thu 1/10

12:29-06:45

1 stop13h 16m

£519

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 14/10

08:40-17:25

1 stop13h 45m

Miami

Fri 6/11

19:50-13:00

1 stop12h 10m

£519

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 3/11

09:00-17:30

1 stop13h 30m

Miami

Thu 12/11

08:53-05:55

2 stops16h 02m

£520

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 9/9

08:40-17:25

1 stop13h 45m

Miami

Wed 23/9

11:26-10:00

3 stops17h 34m

£520

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 12/12

06:35-16:55

1 stop15h 20m

Miami

Sun 10/1

09:00-06:40

2 stops16h 40m

£522
Fastest return journey

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 21/8

11:30-20:05

1 stop13h 35m

Miami

Sun 6/9

19:45-09:25

Nonstop8h 40m

£528

LondonMiami

LTN - MIA

LTNMIA

London Luton

Wed 30/9

18:10-18:45

1 stop29h 35m

Miami

Sun 4/10

21:30-19:10

1 stop16h 40m

£535

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 17/10

10:00-18:45

1 stop13h 45m

Miami

Fri 6/11

21:45-16:25

1 stop13h 40m

£541

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from United Kingdom to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from United Kingdom 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 the United Kingdom to Florida Keys

What is the cheapest month to book a flight from United Kingdom to Florida Keys?

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Florida Keys (average of £501). Flying from United Kingdom to Florida Keys in June is currently the most expensive (average of £648). 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 United Kingdom to Florida Keys?

To ensure you get the cheapest price possible for a flight from United Kingdom to Florida Keys, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. 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 Florida Keys. Reviews last updated 25 July 2026.
Read reviews from past customers who have flown with KLM,Finnair, andVirgin Atlantic from the United Kingdom 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
1,545 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

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
1,545 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

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.
Finnair
7.6
Good
1,423 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

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
695 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

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
11,845 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

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
8,132 reviews
KLM
7.8
Good
1,545 reviews
Check prices

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Food

7.3

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

Find useful and relevant information for your journey from United Kingdom to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from United Kingdom to Florida Keys?

    Departing from United Kingdom to Florida Keys will take you 13h 45m. The distance from United Kingdom to Florida Keys is about 4430 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 United Kingdom to Florida Keys one-way?

    £146 is the cheapest one-way deal found within the past few days, from Norse Atlantic UK. You may also be able to find cheap deals on LEVEL and British Airways, with prices starting from £222 and £223, respectively.

  • Can I find deals for flights from United Kingdom to Florida Keys that include hotel bookings?

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

  • How can I find direct flights from United Kingdom to Florida Keys?

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

  • Can I find deals for business class flights from United Kingdom to Florida Keys?

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Florida Keys?

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Florida Keys (average of £501). Flying from United Kingdom to Florida Keys in June is currently the most expensive (average of £648). 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 United Kingdom to Florida Keys

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Top 3 airlines flying from United Kingdom to Florida Keys

Discover the top 3 airlines that operate flights from United Kingdom to Florida Keys. 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 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£474Average£632FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£474Average£771FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£560Average£560FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 United Kingdom to Florida Keys?

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 Florida Keys from United Kingdom today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Florida Keys 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 United Kingdom to Florida Keys with no change fees?

Certainly. Search results for flights to Florida Keys from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from United Kingdom to Florida Keys 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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