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Cheap flights from London Heathrow Airport to Florida Keys from £215

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
29 Apr — 6 May1
1 adult

Cheap flight deals from Heathrow to Florida Keys

Keep the following information in mind while searching for Heathrow to Florida Keys flight deals. Data was last updated 24 April 2025.

Round-trip from

£381

One-way from

£215

Popular in

December

Cheapest in

March

Average price

£490
British Airways
  • British Airways
  • 8/5-12/5
  • 2 total stops
  • 30h 00m total
  • London to Florida Keys
Vueling
  • Vueling
  • 8/5
  • 1 total stop
  • 28h 15m total
  • London to Florida Keys
Highest demand for flights based on searches. 1% potential increase in price (£4 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Heathrow to Florida Keys

Cheapest flights from Heathrow to Florida Keys
Explore the most affordable flight options available from Heathrow to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Thu 8/511:30LHR - MIA
1 stop13h 45mIberia
Mon 12/506:43MIA - LHR
1 stop19h 37mIberia
Deal found 24/4£381
Sat 15/1118:40LHR - MIA
1 stop25h 00mMultiple Airlines
Thu 27/1117:20MIA - LHR
1 stop11h 55mMultiple Airlines
Deal found 23/4£383
Sat 15/1112:05LHR - MIA
1 stop34h 25mLufthansa
Tue 25/1113:25MIA - LHR
1 stop12h 15mLufthansa
Deal found 24/4£387
Wed 30/415:55LHR - MIA
Nonstop9h 40mAir France
Sat 10/522:30MIA - LHR
Nonstop8h 45mAir France
Deal found 24/4£390
Thu 1/515:55LHR - MIA
Nonstop9h 40mVirgin Atlantic
Thu 8/522:30MIA - LHR
Nonstop8h 45mVirgin Atlantic
Deal found 24/4£391
Thu 1/513:40LHR - MIA
Nonstop9h 40mBritish Airways
Mon 5/514:53MIA - LHR
1 stop11h 02mBritish Airways
Deal found 24/4£395
Wed 17/906:00LHR - MIA
1 stop13h 45mTAP AIR PORTUGAL
Wed 24/903:55MIA - LHR
1 stop13h 05mTAP AIR PORTUGAL
Deal found 24/4£395
Thu 8/508:40LHR - MIA
1 stop13h 50mUnited Airlines
Mon 12/513:57MIA - LHR
2 stops15h 43mUnited Airlines
Deal found 23/4£397
Sun 14/906:00LHR - MIA
1 stop16h 30mSWISS
Sun 28/919:40MIA - LHR
1 stop17h 10mSWISS
Deal found 24/4£399
Mon 5/515:55LHR - MIA
Nonstop9h 40mKLM
Mon 19/519:25MIA - LHR
Nonstop9h 00mKLM
Deal found 24/4£403
Fri 2/511:30LHR - MIA
1 stop13h 45mFinnair
Tue 6/514:18MIA - LHR
2 stops12h 32mFinnair
Deal found 24/4£405
Thu 1/508:30LHR - MIA
2 stops19h 53mAir Canada
Thu 8/507:55MIA - LHR
1 stop21h 05mAir Canada
Deal found 24/4£412

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 24 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Florida Keys that are best for you.

Fly from

Heathrow

Fly to

Florida Keys

Route

Depart

Return

Price

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 8/5

11:30-20:15

1 stop13h 45m

Miami

Mon 12/5

10:30-07:45

1 stop16h 15m

£381

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 12/5

08:40-17:30

1 stop13h 50m

Miami

Mon 19/5

13:29-09:20

2 stops14h 51m

£387

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 8/5

15:55-20:35

Nonstop9h 40m

Miami

Mon 12/5

19:25-09:25

Nonstop9h 00m

£391

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 5/5

10:45-15:45

Nonstop10h 00m

Miami

Thu 15/5

22:30-12:15

Nonstop8h 45m

£392

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 17/9

06:00-14:45

1 stop13h 45m

Miami

Wed 24/9

03:55-22:00

1 stop13h 05m

£395

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 8/5

08:40-17:30

1 stop13h 50m

Miami

Mon 12/5

13:57-10:40

2 stops15h 43m

£397

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 14/9

06:00-17:30

1 stop16h 30m

Miami

Tue 23/9

19:40-16:25

1 stop15h 45m

£399

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 13/5

12:15-16:50

Nonstop9h 35m

Miami

Thu 22/5

14:31-06:20

1 stop10h 49m

£400

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 5/5

15:55-20:35

Nonstop9h 40m

Miami

Mon 19/5

19:25-09:25

Nonstop9h 00m

£403

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 8/5

09:30-23:23

1 stop18h 53m

Miami

Sun 18/5

07:55-06:30

1 stop17h 35m

£413

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 30 results
1
2
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Best time to book a flight from Heathrow to Florida Keys

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

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

Find hourly flight availability from Heathrow 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 24 April 2025.

When flying from London Heathrow Airport to Florida Keys, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Florida Keys ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Florida Keys when rainfall is around 41.0 mm.

Temperature in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Florida Keys, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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 24 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines from London to Florida Keys to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from London Heathrow Airport to Florida Keys one-way?

    To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at £215. TAP AIR PORTUGAL flights start at £262 while deals on Aer Lingus start at £367 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Heathrow to Florida Keys

Discover the top 3 airlines that operate flights from Heathrow 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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£433Average£634FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£453Average£520FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£535Average£804FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Florida Keys?

When you search for this flight from Heathrow to Florida Keys, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Florida Keys for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Florida Keys, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Heathrow to Florida Keys on Cheapflights with our Price Alert feature and get notified when better prices are available.

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