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Cheap flights from London Heathrow Airport to Florida Keys from £236

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
6 maj — 13 maj1
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 1 maj 2025.

Round-trip from

£357

One-way from

£236

Popular in

December

Cheapest in

September

Average price

£447
British Airways
  • British Airways
  • 1/9-22/9
  • 2 total stops
  • 24h 25m total
  • London to Florida Keys
Search Deals
Vueling
  • Vueling
  • 13/5
  • 1 total stop
  • 28h 15m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£4 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 May 2025
Search Deals

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 1 maj 2025.

lør. 1/1111:25LHR - MIA
1 stop14h 20mMultiple Airlines
søn. 9/1122:40MIA - LHR
Nonstop8h 25mMultiple Airlines
Deal found 30/4£360
lør. 1/1111:25LHR - MIA
1 stop14h 20mIberia
søn. 9/1117:30MIA - LHR
1 stop10h 50mIberia
Deal found 30/4£361
man. 1/908:30LHR - MIA
1 stop13h 20mBritish Airways
tor. 25/915:21MIA - LHR
1 stop11h 19mBritish Airways
Deal found 30/4£366
man. 17/1117:05LHR - MIA
1 stop26h 45mVirgin Atlantic
man. 1/1221:35MIA - LHR
Nonstop8h 50mVirgin Atlantic
Deal found 30/4£370
lør. 20/906:30LHR - MIA
1 stop13h 10mLufthansa
lør. 20/917:51MIA - LHR
1 stop31h 04mLufthansa
Deal found 30/4£375
tor. 25/908:40LHR - MIA
1 stop13h 50mSWISS
man. 29/919:40MIA - LHR
1 stop15h 45mSWISS
Deal found 30/4£378
ons. 29/1006:00LHR - MIA
1 stop20h 50mTAP AIR PORTUGAL
ons. 19/1123:35MIA - LHR
1 stop14h 20mTAP AIR PORTUGAL
Deal found 30/4£382
tor. 4/912:15LHR - MIA
Nonstop9h 35mFinnair
tor. 11/919:30MIA - LHR
Nonstop8h 55mFinnair
Deal found 30/4£385
fre. 24/1015:55LHR - MIA
Nonstop9h 40mAir France
lør. 8/1117:59MIA - LHR
1 stop11h 16mAir France
Deal found 1/5£389
tir. 26/809:45LHR - MIA
1 stop13h 17mAmerican Airlines
fre. 12/917:30MIA - LHR
1 stop10h 35mAmerican Airlines
Deal found 30/4£392
ons. 14/506:15LHR - MIA
1 stop13h 00mDelta
man. 19/522:30MIA - LHR
Nonstop8h 45mDelta
Deal found 1/5£394
tor. 25/908:40LHR - MIA
1 stop13h 50mUnited Airlines
man. 29/909:00MIA - LHR
2 stops16h 55mUnited Airlines
Deal found 30/4£399

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 1 maj 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

man. 1/9

08:30-16:50

1 stop13h 20m

Miami

tor. 25/9

15:21-07:40

1 stop11h 19m

£366

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

ons. 14/5

06:15-20:35

1 stop19h 20m

Miami

ons. 21/5

22:30-12:15

Nonstop8h 45m

£370

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

lør. 20/9

06:30-14:40

1 stop13h 10m

Miami

lør. 20/9

17:51-05:55

1 stop31h 04m

£375

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

ons. 27/8

12:15-16:40

Nonstop9h 25m

Miami

tor. 11/9

19:30-09:25

Nonstop8h 55m

£376

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

tor. 25/9

08:40-17:30

1 stop13h 50m

Miami

man. 29/9

19:40-16:25

1 stop15h 45m

£378

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

tor. 4/9

12:15-16:50

Nonstop9h 35m

Miami

tor. 11/9

19:30-09:25

Nonstop8h 55m

£385

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

lør. 13/9

06:00-17:30

1 stop16h 30m

Miami

tir. 23/9

13:25-06:45

1 stop12h 20m

£388

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

fre. 24/10

15:55-20:35

Nonstop9h 40m

Miami

lør. 8/11

17:59-10:15

1 stop11h 16m

£389

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

lør. 17/5

14:40-23:43

1 stop14h 03m

Miami

fre. 23/5

14:31-06:20

1 stop10h 49m

£391

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

ons. 14/5

06:15-14:15

1 stop13h 00m

Miami

tor. 22/5

22:30-12:15

Nonstop8h 45m

£394

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 33 results
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2
3
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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 1 maj 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 1 maj 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.
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Delta
8.0
Very Good
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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 £236. TAP AIR PORTUGAL flights start at £263 while deals on Aer Lingus start at £364 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

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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.
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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 1 maj 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£431Average£631FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£451Average£518FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£533Average£800FlexibilityNo 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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