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Cheap flights from London to Florida Keys from £316

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EYW
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from London to Florida Keys
Explore the most affordable flight options available from London to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Tue 15/1206:30
LHR
-
MIA
1 stop13h 30m
Virgin Atlantic
Sun 17/122:15
MIA
-
LHR
Nonstop8h 40m
Virgin Atlantic
Deal found 27/6£473
Wed 9/911:30
LHR
-
MIA
1 stop13h 35m
British Airways
Tue 15/919:05
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 25/6£474
Fri 25/909:25
LGW
-
MIA
1 stop13h 00m
SWISS
Mon 28/919:40
MIA
-
LGW
1 stop17h 10m
SWISS
Deal found 25/6£474
Fri 11/920:55
LHR
-
MIA
1 stop22h 50m
Virgin Atlantic
Wed 23/911:29
MIA
-
LHR
2 stops15h 11m
Virgin Atlantic
Deal found 26/6£475
Thu 24/1213:30
LHR
-
MIA
1 stop13h 35m
British Airways
Fri 15/122:00
MIA
-
LHR
Nonstop8h 30m
British Airways
Deal found 25/6£476
Tue 22/910:00
LGW
-
MIA
1 stop13h 45m
Air Europa
Wed 30/921:30
MIA
-
LGW
1 stop13h 55m
Air Europa
Deal found 25/6£476
Thu 22/1006:30
LHR
-
MIA
1 stop13h 15m
Virgin Atlantic
Fri 6/1108:30
MIA
-
LHR
1 stop18h 35m
Virgin Atlantic
Deal found 26/6£476
Sun 6/909:05
LGW
-
MIA
1 stop13h 20m
SWISS
Mon 21/919:40
MIA
-
LGW
1 stop17h 10m
SWISS
Deal found 25/6£476
Fri 11/1211:30
LHR
-
MIA
1 stop13h 55m
Virgin Atlantic
Fri 25/1212:45
MIA
-
LHR
1 stop14h 05m
Virgin Atlantic
Deal found 26/6£477
Wed 23/909:25
LGW
-
MIA
1 stop13h 00m
SWISS
Mon 28/919:40
MIA
-
LGW
1 stop17h 10m
SWISS
Deal found 25/6£477
Sat 5/911:45
LHR
-
MIA
2 stops27h 31m
Virgin Atlantic
Sun 13/917:25
MIA
-
LHR
2 stops31h 55m
Virgin Atlantic
Deal found 27/6£478
Thu 3/910:00
LGW
-
MIA
1 stop13h 45m
Air Europa
Wed 30/921:30
MIA
-
LGW
1 stop13h 55m
Air Europa
Deal found 25/6£478

Find flight deals from London to Florida Keys

Keep the following information in mind while searching for London to Florida Keys flight deals. Data was last updated 27 June 2026.

Round-trip from

£473

One-way from

£316

Popular in

December

Cheapest in

September

Average price

£592
Virgin Atlantic
  • Virgin Atlantic
  • 15/12-17/1
  • 1 total stop
  • 22h 10m total
  • London to Florida Keys
Search Deals
28/10
  • 28/10
  • 1 total stop
  • 28h 09m total
  • London to Florida Keys
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 27 June 2026.
Use the filters below to find and compare flights from London 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 24/9

10:45-21:49

1 stop16h 04m

Miami

Thu 15/10

07:00-06:50

1 stop18h 50m

£481

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Thu 29/10

11:55-21:50

1 stop13h 55m

Miami

Sun 8/11

17:15-10:55

1 stop12h 40m

£496

LondonMiami

LTN - MIA

LTNMIA

London Luton

Fri 11/9

20:35-18:45

2 stops27h 10m

Miami

Fri 25/9

21:30-19:55

2 stops17h 25m

£496

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 7/9

09:20-18:42

1 stop14h 22m

Miami

Wed 23/9

14:15-06:25

1 stop11h 10m

£499

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 2/12

11:30-20:25

1 stop13h 55m

Miami

Mon 11/1

15:35-09:00

1 stop12h 25m

£501

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 1/12

14:30-19:30

Nonstop10h 00m

Miami

Sun 13/12

22:00-11:30

Nonstop8h 30m

£507
Fastest return journey

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 4/10

15:35-20:15

Nonstop9h 40m

Miami

Thu 8/10

19:15-09:00

Nonstop8h 45m

£507

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 19/9

10:00-18:45

1 stop13h 45m

Miami

Sun 27/9

21:30-16:25

1 stop13h 55m

£510

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 31/10

07:00-18:30

2 stops15h 30m

Miami

Sat 7/11

19:50-18:40

2 stops17h 50m

£513

LondonMiami

LCY - MIA

LCYMIA

London City

Thu 5/11

07:50-20:50

1 stop18h 00m

Miami

Mon 9/11

22:35-14:05

1 stop34h 30m

£518

Flights are sorted by cheapest return flights first.

Deals found on 25/6

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

Best time to book a flight from London to Florida Keys

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

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

Currently, September is the cheapest month in which you can book a flight from London to Florida Keys (average of £461). Flying from London to Florida Keys in August is currently the most expensive (average of £610). 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 to Florida Keys?

The best time to book flights from London to Florida Keys is 74 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

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 27 June 2026.
Read reviews from past customers who have flown with Finnair,Virgin Atlantic, andNorse Atlantic UK from London to Florida Keys. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,415 reviews
Check prices

Comfort

7.4

Boarding

7.7

Overall

7.6

Entertainment

6.9

Crew

8.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Finnair
7.6
Good
1,415 reviews
Finnair
7.6
Good
1,415 reviews
Check prices

Comfort

7.4

Boarding

7.7

Overall

7.6

Entertainment

6.9

Crew

8.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Virgin Atlantic
7.5
Good
690 reviews
Finnair
7.6
Good
1,415 reviews
Check prices

Comfort

7.4

Boarding

7.7

Overall

7.6

Entertainment

6.9

Crew

8.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
Norse Atlantic UK
7.2
Good
Finnair
7.6
Good
1,415 reviews
Check prices

Comfort

7.4

Boarding

7.7

Overall

7.6

Entertainment

6.9

Crew

8.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
American Airlines
7.1
Good
11,778 reviews
Finnair
7.6
Good
1,415 reviews
Check prices

Comfort

7.4

Boarding

7.7

Overall

7.6

Entertainment

6.9

Crew

8.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
British Airways
6.7
Okay
8,072 reviews
Finnair
7.6
Good
1,415 reviews
Check prices

Comfort

7.4

Boarding

7.7

Overall

7.6

Entertainment

6.9

Crew

8.2

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Related info for your journey

Find useful and relevant information for your journey from London 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 London to Florida Keys?

    There are many flights that can get you from London to Florida Keys in 10h 25m. Fly via Icelandair, Delta, or Virgin Atlantic to get the fastest option. Airlines will cover a distance of 4414 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Norse Atlantic UK, with whom users have recently found tickets for as low as £181. However, be on the lookout for offers from TAP AIR PORTUGAL and Aer Lingus, as they are both options that can get you from London to Florida Keys for a low price.

  • What are the most popular routes from London to Florida Keys?

    While some choose either London Gatwick - Miami or London Stansted - Miami, London Heathrow - Miami is the most popular route from London to Florida Keys.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Florida Keys?

    Currently, September is the cheapest month in which you can book a flight from London to Florida Keys (average of £461). Flying from London to Florida Keys in August is currently the most expensive (average of £610). 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 London to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to Florida Keys

Discover the top 3 airlines that operate flights from London 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 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£489Average£566FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£501Average£724FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£525Average£565FlexibilityNo 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 London to Florida Keys?

Cheapflights helps you search for flights from London to Florida Keys via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Florida Keys.

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

Yes, we can. To see specific flights from London to Florida Keys 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 London to Florida Keys become cheaper?

Of course! You can now track prices for flights from London 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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