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Cheap flights from London to Florida Keys from £297

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EYW
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 November 2025.

Round-trip from

£411

One-way from

£297

Popular in

December

Cheapest in

September

Average price

£457
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 2/2-9/2
  • 3 total stops
  • 50h 15m total
  • London to Florida Keys
Search Deals
15/3
  • 15/3
  • 2 total stops
  • 35h 20m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 7 November 2025.

Sat 6/1214:00LGW - MIA
2 stops25h 48mMultiple Airlines
Tue 9/1208:21MIA - LGW
1 stop16h 39mMultiple Airlines
Deal found 5/11£414
Sat 6/1217:30LHR - MIA
1 stop29h 35mScandinavian Airlines
Sat 13/1219:55MIA - LHR
1 stop32h 00mScandinavian Airlines
Deal found 5/11£415
Tue 2/1211:55LGW - MIA
1 stop14h 00mIcelandair
Wed 10/1217:15MIA - LGW
1 stop12h 40mIcelandair
Deal found 5/11£415
Tue 18/1112:15LHR - MIA
1 stop13h 40mIcelandair
Fri 28/1117:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 6/11£416
Thu 4/1207:15LTN - MIA
2 stops18h 40mMultiple Airlines
Wed 10/1217:15MIA - LTN
2 stops16h 45mMultiple Airlines
Deal found 5/11£417
Wed 3/1220:35LHR - MIA
1 stop29h 20mIcelandair
Wed 10/1217:15MIA - LHR
1 stop21h 15mIcelandair
Deal found 5/11£417
Wed 10/1210:40LGW - MIA
1 stop16h 10mTAP AIR PORTUGAL
Thu 5/316:35MIA - LGW
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/11£417
Mon 17/1120:35LHR - MIA
1 stop29h 20mIcelandair
Fri 28/1117:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 6/11£418
Tue 18/1112:15LHR - MIA
1 stop13h 40mIcelandair
Wed 17/1217:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 7/11£419
Wed 3/1219:25LGW - MIA
1 stop28h 30mMultiple Airlines
Sat 6/1221:03MIA - LGW
1 stop27h 57mMultiple Airlines
Deal found 4/11£419
Mon 17/1120:35LHR - MIA
1 stop29h 20mIcelandair
Wed 3/1217:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 6/11£420
Fri 5/1220:35LHR - MIA
1 stop29h 20mIcelandair
Wed 10/1217:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 6/11£423

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 7 November 2025.
Use the filters below to find and compare flights from London to Florida Keys that are best for you.

Fly from

London

Fly to

Florida Keys

Route

Depart

Return

Price

LondonMiami

STN - MIA

STNMIA

London Stansted

Wed 14/1

05:55-21:50

2 stops20h 55m

Miami

Wed 28/1

16:35-14:10

2 stops16h 35m

£420

LondonMiami

STN - MIA

STNMIA

London Stansted

Sun 1/2

09:35-20:00

1 stop15h 25m

Miami

Mon 9/2

06:00-16:55

2 stops29h 55m

£422

LondonMiami

STN - MIA

STNMIA

London Stansted

Sun 11/1

07:40-22:05

2 stops19h 25m

Miami

Fri 23/1

23:35-00:10

2 stops19h 35m

£437

LondonMiami

STN - MIA

STNMIA

London Stansted

Sun 7/12

07:40-22:05

2 stops19h 25m

Miami

Fri 12/12

23:35-00:10

2 stops19h 35m

£438

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 2/12

11:55-20:55

1 stop14h 00m

Miami

Sun 7/12

17:15-10:55

1 stop12h 40m

£439

LondonMiami

LTN - MIA

LTNMIA

London Luton

Thu 4/12

21:40-19:30

2 stops26h 50m

Miami

Tue 9/12

21:45-20:55

2 stops18h 10m

£445

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 17/2

11:55-20:55

1 stop14h 00m

Miami

Fri 20/2

17:15-10:55

1 stop12h 40m

£451

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 5/1

15:50-00:51

1 stop14h 01m

Miami

Sun 11/1

13:21-09:00

1 stop14h 39m

£459

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 24/11

10:00-19:30

1 stop14h 30m

Miami

Wed 3/12

21:45-16:25

1 stop13h 40m

£460

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 22/11

10:00-19:30

1 stop14h 30m

Miami

Mon 1/12

21:45-16:25

1 stop13h 40m

£461

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from London to Florida Keys (average of £446). Flying from London to Florida Keys in July is currently the most expensive (average of £655). 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.

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

Find hourly flight availability from London to Florida Keys. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s typically best to fly out from London to Florida Keys at midday. Doing so could potentially save you 44% on the flight price compared to flying in the evening, which is usually more expensive.

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 7 November 2025.
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
1,335 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.5
Good
672 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Norse Atlantic UK
7.2
Good
Finnair
7.6
Good
1,335 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
TAP AIR PORTUGAL
7.1
Good
2,048 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,500 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 14h. Fly via Icelandair, Delta, or Air Europa to get the fastest option. Airlines will cover a distance of 4430 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 British Airways, with whom users have recently found tickets for as low as £309. However, be on the lookout for offers from Lufthansa and LEVEL, 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 City - 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, March is the cheapest month in which you can book a flight from London to Florida Keys (average of £446). Flying from London to Florida Keys in July is currently the most expensive (average of £655). 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£462Average£555FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£503Average£917FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£530Average£570FlexibilityNo 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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