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Cheap flights from London to Florida Keys from £313

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EYW
12 Apr — 19 Apr1
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 March 2026.

Thu 30/406:00
LHR
-
MIA
1 stop13h 30m
TAP AIR PORTUGAL
Sun 10/500:30
MIA
-
LHR
1 stop16h 30m
TAP AIR PORTUGAL
Deal found 9/3£392
Tue 28/406:00
LHR
-
MIA
1 stop13h 30m
TAP AIR PORTUGAL
Wed 6/503:50
MIA
-
LHR
1 stop13h 10m
TAP AIR PORTUGAL
Deal found 9/3£392
Mon 21/909:55
LHR
-
MIA
Nonstop9h 35m
British Airways
Thu 1/1022:40
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 10/3£396
Tue 28/415:35
LHR
-
MIA
Nonstop9h 40m
British Airways
Wed 6/522:40
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 9/3£397
Tue 28/415:35
LHR
-
MIA
Nonstop9h 40m
British Airways
Mon 11/517:00
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 9/3£402
Wed 29/415:35
LHR
-
MIA
Nonstop9h 40m
British Airways
Thu 7/517:00
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 9/3£403
Tue 5/509:55
LHR
-
MIA
Nonstop9h 35m
British Airways
Mon 11/522:40
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 9/3£404
Sat 2/506:00
LHR
-
MIA
1 stop13h 30m
TAP AIR PORTUGAL
Wed 6/516:30
MIA
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 9/3£404
Thu 30/406:00
LHR
-
MIA
1 stop13h 30m
TAP AIR PORTUGAL
Wed 6/516:30
MIA
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 9/3£405
Tue 28/411:05
LHR
-
MIA
1 stop16h 40m
United Airlines
Mon 11/514:20
MIA
-
LHR
1 stop11h 55m
United Airlines
Deal found 9/3£406
Sat 9/506:00
LHR
-
MIA
1 stop13h 30m
TAP AIR PORTUGAL
Tue 19/516:30
MIA
-
LHR
1 stop12h 50m
TAP AIR PORTUGAL
Deal found 13/3£407
Mon 11/515:40
LHR
-
MIA
Nonstop9h 35m
British Airways
Mon 18/522:40
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 13/3£410

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 March 2026.

Round-trip from

£392

One-way from

£313

Popular in

December

Cheapest in

September

Average price

£526
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 30/4-10/5
  • 2 total stops
  • 30h 00m total
  • London to Florida Keys
Search Deals
13/5
  • 13/5
  • 1 total stop
  • 17h 15m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 March 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

SEN - MIA

SENMIA

London Southend

Wed 15/4

08:25-20:00

1 stop16h 35m

Miami

Fri 24/4

21:45-21:45

1 stop19h 00m

£468

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 13/4

10:55-20:00

1 stop14h 05m

Miami

Fri 17/4

21:45-11:00

1 stop32h 15m

£479

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 13/4

09:55-20:00

1 stop15h 05m

Miami

Mon 27/4

21:45-09:10

1 stop30h 25m

£480

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 13/4

06:50-20:00

1 stop18h 10m

Miami

Mon 27/4

21:45-22:50

1 stop20h 05m

£481

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 8/4

07:10-20:00

1 stop17h 50m

Miami

Wed 15/4

21:45-10:15

1 stop31h 30m

£501

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 18/4

10:00-18:45

1 stop13h 45m

Miami

Wed 22/4

21:30-16:25

1 stop13h 55m

£520

LondonMiami

LTN - MIA

LTNMIA

London Luton

Mon 13/4

05:40-20:00

1 stop19h 20m

Miami

Mon 27/4

22:10-23:00

2 stops19h 50m

£520

LondonMiami

SEN - MIA

SENMIA

London Southend

Tue 14/4

06:30-20:25

2 stops18h 55m

Miami

Sun 19/4

21:45-19:35

1 stop16h 50m

£532

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 6/5

07:10-20:00

1 stop17h 50m

Miami

Wed 17/6

21:45-19:55

1 stop17h 10m

£532

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 15/4

12:20-20:59

1 stop13h 39m

Miami

Wed 29/4

17:05-10:50

1 stop12h 45m

£532

Flights are sorted by cheapest return flights first.

Deals found on 10/3

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 £468). Flying from London to Florida Keys in June is currently the most expensive (average of £631). 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 March 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
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

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
1,471 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

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
7.6
Good
1,371 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

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
680 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

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
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

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
7,784 reviews
KLM
7.8
Good
1,471 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

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 10h 10m. Fly via LEVEL, Air Europa, or British Airways 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 £149. However, be on the lookout for offers from A.P.G. and TAP AIR PORTUGAL, 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 £468). Flying from London to Florida Keys in June is currently the most expensive (average of £631). 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

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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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£468Average£547FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£497Average£773FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£522Average£562FlexibilityNo 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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