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Cheap flights from London Heathrow Airport to Florida Keys from £204

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
10 Apr — 17 Apr1
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 5 April 2025.

Round-trip from

£367

One-way from

£204

Popular in

December

Cheapest in

September

Average price

£487
Lufthansa
  • Lufthansa
  • 18/9-25/9
  • 2 total stops
  • 25h 17m total
  • London to Florida Keys
Vueling
  • Vueling
  • 13/5
  • 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 5 April 2025.

Thu 18/908:40LHR - MIA
1 stop13h 50mMultiple Airlines
Thu 25/913:28MIA - LHR
1 stop11h 27mMultiple Airlines
Deal found 4/4£367
Wed 30/408:40LHR - MIA
1 stop13h 50mLufthansa
Sat 17/519:45MIA - LHR
1 stop19h 55mLufthansa
Deal found 4/4£374
Tue 6/512:15LHR - MIA
Nonstop9h 35mBritish Airways
Wed 14/514:31MIA - LHR
1 stop10h 49mBritish Airways
Deal found 4/4£376
Sat 10/508:00LHR - MIA
1 stop13h 15mUnited Airlines
Sat 24/517:19MIA - LHR
1 stop11h 51mUnited Airlines
Deal found 4/4£377
Mon 21/410:45LHR - MIA
Nonstop10h 00mVirgin Atlantic
Wed 30/419:25MIA - LHR
Nonstop9h 00mVirgin Atlantic
Deal found 4/4£385
Fri 2/511:30LHR - MIA
1 stop13h 45mIberia
Wed 7/514:55MIA - LHR
1 stop11h 00mIberia
Deal found 4/4£386
Wed 26/1120:40LHR - MIA
1 stop29h 15mIcelandair
Sun 7/1217:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 4/4£389
Thu 18/906:00LHR - MIA
1 stop16h 30mSWISS
Mon 29/919:40MIA - LHR
1 stop17h 10mSWISS
Deal found 4/4£391
Tue 23/912:15LHR - MIA
Nonstop9h 35mFinnair
Wed 8/1017:46MIA - LHR
1 stop12h 19mFinnair
Deal found 4/4£414
Wed 24/906:00LHR - MIA
1 stop13h 45mTAP AIR PORTUGAL
Sun 28/900:35MIA - LHR
1 stop13h 15mTAP AIR PORTUGAL
Deal found 5/4£416
Sat 12/411:00LHR - MIA
1 stop14h 47mAmerican Airlines
Mon 14/420:50MIA - LHR
Nonstop8h 45mAmerican Airlines
Deal found 5/4£422
Sun 14/909:30LHR - MIA
1 stop32h 20mAir Canada
Sun 21/913:40MIA - LHR
1 stop15h 20mAir Canada
Deal found 4/4£424

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 5 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 18/9

08:40-17:30

1 stop13h 50m

Miami

Thu 25/9

13:28-05:55

1 stop11h 27m

£367

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 30/4

08:40-17:30

1 stop13h 50m

Miami

Sat 17/5

19:45-20:40

1 stop19h 55m

£374

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 6/5

12:15-16:50

Nonstop9h 35m

Miami

Wed 14/5

14:31-06:20

1 stop10h 49m

£376

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 10/5

08:00-16:15

1 stop13h 15m

Miami

Sat 24/5

17:19-10:10

1 stop11h 51m

£377

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 21/4

10:45-15:45

Nonstop10h 00m

Miami

Wed 30/4

19:25-09:25

Nonstop9h 00m

£385

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 18/9

06:00-17:30

1 stop16h 30m

Miami

Mon 29/9

19:40-17:50

1 stop17h 10m

£391

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 23/9

12:15-16:50

Nonstop9h 35m

Miami

Wed 8/10

17:46-11:05

1 stop12h 19m

£414

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 24/9

06:00-14:45

1 stop13h 45m

Miami

Sun 28/9

00:35-18:50

1 stop13h 15m

£416

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 14/9

09:30-12:50

1 stop32h 20m

Miami

Sun 21/9

13:40-10:00

1 stop15h 20m

£424

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 19/4

13:40-18:20

Nonstop9h 40m

Miami

Sat 3/5

17:11-09:05

1 stop10h 54m

£425

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 28 results
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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 5 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 5 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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.

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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 £204. TAP AIR PORTUGAL flights start at £266 while deals on SWISS start at £347 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 5 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£444Average£630FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£464Average£587FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£548Average£823FlexibilityNo 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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