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Cheap flights from London to Florida Keys from £326

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EYW
13 May — 20 May1
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 13 April 2026.

Wed 22/418:20
STN
-
MIA
2 stops29h 25m
Multiple Airlines
Wed 6/521:30
MIA
-
STN
2 stops21h 05m
Multiple Airlines
Deal found 8/4£494
Wed 12/820:55
LHR
-
MIA
1 stop22h 50m
Virgin Atlantic
Sun 6/911:35
MIA
-
LHR
1 stop13h 45m
Virgin Atlantic
Deal found 8/4£496
Mon 8/609:55
LHR
-
MIA
Nonstop9h 35m
American Airlines
Wed 17/613:49
MIA
-
LHR
1 stop15h 26m
American Airlines
Deal found 9/4£497
Tue 2/616:50
LGW
-
MIA
1 stop32h 10m
LEVEL
Wed 17/621:45
MIA
-
LGW
1 stop33h 55m
LEVEL
Deal found 8/4£497
Fri 15/510:55
LHR
-
MIA
Nonstop9h 55m
Virgin Atlantic
Mon 1/614:01
MIA
-
LHR
1 stop11h 24m
Virgin Atlantic
Deal found 9/4£498
Wed 22/421:50
LTN
-
MIA
1 stop23h 10m
Multiple Airlines
Tue 28/419:45
MIA
-
LTN
1 stop20h 20m
Multiple Airlines
Deal found 10/4£499
Sat 9/520:50
LHR
-
MIA
1 stop28h 10m
LEVEL
Fri 15/521:45
MIA
-
LHR
1 stop30h 25m
LEVEL
Deal found 9/4£499
Thu 25/606:30
LHR
-
MIA
1 stop13h 15m
Virgin Atlantic
Sat 11/722:35
MIA
-
LHR
Nonstop9h 00m
Virgin Atlantic
Deal found 9/4£499
Fri 23/1015:40
LGW
-
MIA
1 stop35h 15m
Icelandair
Wed 4/1117:15
MIA
-
LGW
1 stop12h 40m
Icelandair
Deal found 9/4£499
Tue 14/411:00
STN
-
MIA
2 stops34h 00m
Multiple Airlines
Tue 21/419:45
MIA
-
STN
2 stops20h 10m
Multiple Airlines
Deal found 9/4£500
Mon 25/509:55
LHR
-
MIA
Nonstop9h 35m
American Airlines
Wed 3/613:49
MIA
-
LHR
1 stop15h 26m
American Airlines
Deal found 12/4£501
Fri 17/410:55
LGW
-
MIA
1 stop14h 05m
LEVEL
Fri 24/421:45
MIA
-
LGW
1 stop30h 15m
LEVEL
Deal found 8/4£501

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 13 April 2026.

Round-trip from

£496

One-way from

£326

Popular in

December

Cheapest in

September

Average price

£526
Virgin Atlantic
  • Virgin Atlantic
  • 12/8-6/9
  • 2 total stops
  • 36h 35m total
  • London to Florida Keys
Search Deals
Avianca
  • Avianca
  • 22/4
  • 1 total stop
  • 19h 20m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 13 April 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

LHR - MIA

LHRMIA

London Heathrow

Sun 26/4

20:50-20:00

1 stop28h 10m

Miami

Mon 4/5

21:45-09:10

1 stop30h 25m

£518

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 9/9

06:30-16:35

1 stop15h 05m

Miami

Sun 13/9

21:25-21:40

1 stop19h 15m

£532

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 2/7

09:55-23:21

2 stops18h 26m

Miami

Sun 5/7

22:35-12:35

Nonstop9h 00m

£534

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 9/9

11:30-20:05

1 stop13h 35m

Miami

Sun 13/9

17:30-06:50

1 stop32h 20m

£537

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 23/5

06:30-14:45

1 stop13h 15m

Miami

Tue 2/6

11:37-06:20

1 stop13h 43m

£541

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 22/5

10:55-20:00

1 stop14h 05m

Miami

Sun 31/5

21:45-09:30

1 stop30h 45m

£544
Fastest return journey

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 12/5

15:35-20:10

Nonstop9h 35m

Miami

Tue 19/5

17:00-06:55

Nonstop8h 55m

£544

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 1/7

06:45-21:38

2 stops19h 53m

Miami

Thu 9/7

15:00-06:50

1 stop10h 50m

£550

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 14/5

10:55-15:50

Nonstop9h 55m

Miami

Wed 27/5

22:35-12:35

Nonstop9h 00m

£554

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 9/10

10:55-15:50

Nonstop9h 55m

Miami

Wed 21/10

18:05-08:05

Nonstop9h 00m

£557

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, May is the cheapest month in which you can book a flight from London to Florida Keys (average of £462). Flying from London to Florida Keys in June is currently the most expensive (average of £623). 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.

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 13 April 2026.
Read reviews from past customers who have flown with KLM,Finnair, andVirgin Atlantic 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.
KLM
7.8
Good
1,496 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,496 reviews
KLM
7.8
Good
1,496 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.7
Good
1,386 reviews
KLM
7.8
Good
1,496 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
687 reviews
KLM
7.8
Good
1,496 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Norse Atlantic UK
7.3
Good
KLM
7.8
Good
1,496 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,882 reviews
KLM
7.8
Good
1,496 reviews
Check prices

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 15h 05m. Fly via LEVEL, British Airways, or Delta 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 £147. 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, May is the cheapest month in which you can book a flight from London to Florida Keys (average of £462). Flying from London to Florida Keys in June is currently the most expensive (average of £623). 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

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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 13 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£463Average£540FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£492Average£746FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£515Average£554FlexibilityNo 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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