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.

What are the most popular airlines that fly from London Heathrow Airport to Florida Keys?

When booking a flight from London Heathrow Airport to Florida Keys, you may want to consider flying on Finnair, British Airways or Virgin Atlantic as they are the most popular for this route.

How far in advance should I book a flight from London Heathrow Airport to Florida Keys?

To save up to 37% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Florida Keys from £466 1-2 weeks out and tickets from £651 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Florida Keys?

Our data shows that September tends to be the cheapest month to fly to Florida Keys from London Heathrow Airport. Users have commonly found prices around £500 for the month, but tickets can be as low as £336. Due to multiple factors, prepare for potentially higher prices in December.

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.

£204+ Flights from London Heathrow Airport to Florida Keys

Cheap flight deals from Heathrow to Florida Keys

Round-trip from	£367
One-way from	£204
Popular in	December
Cheapest in	September
Average price	£487

Lufthansa
18/9-25/9
2 total stops
25h 17m total
London to Florida Keys

Search Deals

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 April 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 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

Best flights from Heathrow to Florida Keys
Discover carefully curated flight deals from Heathrow to Florida Keys that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 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

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

Sun 14/909:30LHR - MIA

1 stop32h 20mAir Canada

Sun 21/913:40MIA - LHR

1 stop15h 20mAir Canada

Deal found 4/4£424

Sat 19/413:40LHR - MIA

Nonstop9h 40mAmerican Airlines

Sat 3/517:11MIA - LHR

1 stop10h 54mAmerican Airlines

Deal found 4/4£425

Sun 27/415:55LHR - MIA

Nonstop9h 40mDelta

Mon 12/522:30MIA - LHR

Nonstop8h 45mDelta

Deal found 5/4£430

Fri 18/415:55LHR - MIA

Nonstop9h 40mAir France

Wed 30/415:31MIA - LHR

1 stop12h 19mAir France

Deal found 4/4£432

Direct flights from Heathrow to Florida Keys
Explore direct flight options from Heathrow to Florida Keys based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 April 2025.

Tue 6/513:40LHR - MIA

Nonstop9h 35mBritish Airways

Wed 14/517:00MIA - LHR

Nonstop8h 55mBritish Airways

Deal found 4/4£376

Mon 21/410:45LHR - MIA

Nonstop10h 00mVirgin Atlantic

Wed 30/419:25MIA - LHR

Nonstop9h 00mVirgin Atlantic

Deal found 4/4£385

Thu 8/515:55LHR - MIA

Nonstop9h 40mKLM

Wed 14/522:30MIA - LHR

Nonstop8h 45mKLM

Deal found 5/4£392

Wed 24/912:15LHR - MIA

Nonstop9h 35mFinnair

Mon 29/917:00MIA - LHR

Nonstop8h 55mFinnair

Deal found 5/4£406

Wed 24/915:55LHR - MIA

Nonstop9h 40mAir France

Mon 29/922:30MIA - LHR

Nonstop8h 45mAir France

Deal found 4/4£416

Sat 19/413:40LHR - MIA

Nonstop9h 40mAmerican Airlines

Sat 3/519:35MIA - LHR

Nonstop8h 50mAmerican Airlines

Deal found 4/4£423

Mon 1/912:15LHR - MIA

Nonstop9h 25mIberia

Thu 25/917:00MIA - LHR

Nonstop8h 55mIberia

Deal found 4/4£424

Sun 27/415:55LHR - MIA

Nonstop9h 40mDelta

Mon 12/522:30MIA - LHR

Nonstop8h 45mDelta

Deal found 5/4£430

Wed 30/413:40LHR - MIA

Nonstop9h 40mMultiple Airlines

Sun 4/517:00MIA - LHR

Nonstop8h 55mMultiple Airlines

Deal found 4/4£481

Last-minute flights from Heathrow to Florida Keys
Discover last-minute flight deals from Heathrow to Florida Keys. Data last updated 5 April 2025 and is based on user searches.

Thu 10/407:40LHR - MIA

2 stops20h 49mAer Lingus

Sun 13/406:25MIA - LHR

2 stops21h 40mAer Lingus

Deal found 4/4£758

Fri 11/415:00LHR - MIA

1 stop12h 23mFinnair

Tue 15/417:11MIA - LHR

2 stops12h 54mFinnair

Deal found 4/4£426

Fri 11/410:45LHR - MIA

Nonstop10h 00mKLM

Tue 15/413:50MIA - LHR

1 stop11h 55mKLM

Deal found 4/4£574

Sat 12/408:30LHR - MIA

1 stop20h 24mAir Canada

Sun 27/408:00MIA - LHR

1 stop21h 00mAir Canada

Deal found 4/4£486

Sat 12/411:00LHR - MIA

1 stop14h 47mAmerican Airlines

Mon 14/420:50MIA - LHR

Nonstop8h 45mAmerican Airlines

Deal found 5/4£422

Sun 13/412:15LHR - MIA

Nonstop9h 40mMultiple Airlines

Tue 22/417:15MIA - LHR

1 stop14h 30mMultiple Airlines

Deal found 5/4£396

Sun 13/415:00LHR - MIA

1 stop12h 23mBritish Airways

Tue 22/417:11MIA - LHR

1 stop10h 54mBritish Airways

Deal found 5/4£400

Sun 13/415:55LHR - MIA

Nonstop9h 40mVirgin Atlantic

Tue 29/422:30MIA - LHR

Nonstop8h 45mVirgin Atlantic

Deal found 4/4£430

Mon 14/409:30LHR - MIA

2 stops54h 41mUnited Airlines

Mon 5/517:00MIA - LHR

1 stop13h 35mUnited Airlines

Deal found 5/4£480

Mon 14/417:35LHR - MIA

2 stops33h 03mAir France

Mon 5/517:44MIA - LHR

2 stops17h 51mAir France

Deal found 5/4£683

Mon 14/413:40LHR - MIA

Nonstop9h 40mIberia

Thu 17/414:15MIA - LHR

1 stop12h 50mIberia

Deal found 4/4£791

Tue 15/411:30LHR - MIA

1 stop13h 45mAmerican Airlines

Sun 20/418:01MIA - LHR

1 stop12h 39mAmerican Airlines

Deal found 4/4£406

One-way flights from Heathrow to Florida Keys
Search for one-way flight options from Heathrow to Florida Keys. Find affordable one-way fares based on user searches. Data last updated 5 April 2025.

Tue 13/520:50LHR - MIA

1 stop28h 15mVueling

Deal found 4/4£204

Sat 19/410:35LHR - MIA

1 stop14h 35mMultiple Airlines

Deal found 4/4£211

Sun 11/508:00LHR - MIA

1 stop19h 10mTAP AIR PORTUGAL

Deal found 4/4£266

Fri 2/508:40LHR - MIA

1 stop13h 50mSWISS

Deal found 4/4£347

Wed 23/408:50LHR - MIA

2 stops20h 08mAer Lingus

Deal found 4/4£387

Sun 13/717:15LHR - EYW

2 stops27h 53mMultiple Airlines

Deal found 4/4£568

Sun 13/709:55LHR - EYW

1 stop14h 06mBritish Airways

Deal found 4/4£870

Sun 13/708:30LHR - EYW

3 stops28h 30mUnited Airlines

Deal found 4/4£3,847

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Florida Keys that are best for you.

Fly from

Fly to

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

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?

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

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

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

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

7,899 reviews

Check prices

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

7,899 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

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

1,322 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

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

1,267 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

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

1,574 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

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

1,427 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

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

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

Alternative routes for Heathrow to Florida Keys

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Complete your trip

Florida car hire

Miami Airport car hire

Orlando Airport car hire

Fort Lauderdale Airport car hire

Tampa Airport car hire

Fort Myers SW Florida Intl Airport car hire

Jacksonville Airport car hire

Palm Beach Intl Airport car hire

Sarasota Bradenton Intl Airport car hire

Pensacola Airport car hire

Key West Airport car hire

Valparaiso Destin-Ft Walton Beach Airport car hire

Direct flights to United States

Top 3 airlines flying from Heathrow to Florida Keys

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£444	Average£630	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£464	Average£587	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£548	Average£823	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

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.

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

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Florida Keys

Cheapest flights from Heathrow to Florida KeysExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Florida Keys that are best for you.

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.

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.

Rainfall in Florida Keys by month

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

Temperature in Florida Keys by month

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

Reviews of airlines servicing Florida Keys

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.

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?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 Heathrow to Florida Keys?

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

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

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

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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.