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$199+ Cheap flights from Florida Keys to Heathrow (LHR)

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LHR
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Florida Keys to Heathrow

Keep the following information in mind while searching for Florida Keys to Heathrow flight deals. Data was last updated April 25, 2025.

Round-trip from

$551
(eDestinos)

One-way from

$199
(Mytrip)

Popular in

June

Cheapest in

May

Average price

$837
From Florida Keys to London Heathrow
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One-way flight from Florida Keys to London Heathrow
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Highest demand for flights based on searches. 10% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Florida Keys to Heathrow

Cheapest flights from Florida Keys to Heathrow
Explore the most affordable flight options available from Florida Keys to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:45 pmMIA - LHR
1 stop17h 45mScandinavian Airlines
Thu 12/46:40 amLHR - MIA
1 stop16h 15mScandinavian Airlines
Deal found 4/24$474
This Expedia deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:35 pmMIA - LHR
1 stop17h 00mTAP AIR PORTUGAL
Sun 11/98:15 amLHR - MIA
1 stop18h 35mTAP AIR PORTUGAL
Deal found 4/24$531
This eDestinos deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:50 pmMIA - LHR
Nonstop8h 45mBritish Airways
Sun 5/189:55 amLHR - MIA
Nonstop9h 35mBritish Airways
Deal found 4/23$551
This lol.travel deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:25 pmMIA - LHR
Nonstop9h 00mVirgin Atlantic
Wed 5/2111:30 amLHR - MIA
1 stop13h 45mVirgin Atlantic
Deal found 4/24$576
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:25 pmMIA - LHR
Nonstop9h 00mDelta
Wed 5/1411:30 amLHR - MIA
1 stop14h 05mDelta
Deal found 4/25$616
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:00 amMIA - LHR
2 stops28h 25mMultiple Airlines
Sun 5/119:30 amLHR - MIA
2 stops32h 36mMultiple Airlines
Deal found 4/24$629
This Air France deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:24 pmMIA - LHR
1 stop12h 26mAir France
Mon 5/196:15 amLHR - MIA
1 stop13h 00mAir France
Deal found 4/24$660
This The Travel House deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:35 amMIA - LHR
1 stop21h 55mIcelandair
Tue 5/68:25 amLHR - MIA
1 stop30h 51mIcelandair
Deal found 4/25$670
This JetBlue deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/22:01 pmMIA - LHR
1 stop14h 29mJetBlue
Fri 5/168:25 amLHR - MIA
1 stop19h 48mJetBlue
Deal found 4/25$678
This Gotogate deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:55 amMIA - LHR
2 stops17h 05mAir Canada
Fri 5/164:00 pmLHR - MIA
1 stop33h 49mAir Canada
Deal found 4/24$685
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2112:50 pmMIA - LHR
2 stops17h 35mUnited Airlines
Tue 9/3012:10 pmLHR - MIA
1 stop34h 20mUnited Airlines
Deal found 4/24$715
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:05 pmEYW - LHR
1 stop14h 10mUnited Airlines
Fri 11/141:30 pmLHR - EYW
2 stops54h 36mUnited Airlines
Deal found 4/24$902

Cheapflights Fare Finder

Customize your flight search to find flights from Florida Keys to Heathrow 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 2,558,603 searches. Data last updated April 25, 2025.
Use the filters below to find and compare flights from Florida Keys to London Heathrow Airport that are best for you.

Fly from

Florida Keys

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 10/22

3:55 am-10:55 pm

1 stop14h 00m

London Heathrow

Wed 10/29

6:00 am-10:50 pm

1 stop20h 50m

$539

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 5/8

8:50 pm-10:35 am

Nonstop8h 45m

London Heathrow

Sun 5/18

9:55 am-2:30 pm

Nonstop9h 35m

$551

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 5/8

7:25 pm-9:25 am

Nonstop9h 00m

London Heathrow

Wed 5/21

11:30 am-8:15 pm

1 stop13h 45m

$576

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 10/22

11:35 am-9:35 am

2 stops17h 00m

London Heathrow

Mon 10/27

7:30 pm-6:55 pm

1 stop27h 25m

$583

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 5/8

7:25 pm-9:25 am

Nonstop9h 00m

London Heathrow

Thu 5/15

6:15 am-8:45 pm

1 stop19h 30m

$616

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 5/9

7:00 am-4:25 pm

2 stops28h 25m

London Heathrow

Sun 5/11

9:30 am-1:06 pm

2 stops32h 36m

$629

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 9/20

3:35 pm-8:50 am

1 stop12h 15m

London Heathrow

Mon 10/6

9:20 am-6:48 pm

1 stop14h 28m

$638

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 5/15

3:24 pm-8:50 am

1 stop12h 26m

London Heathrow

Mon 5/19

6:15 am-2:15 pm

1 stop13h 00m

$660

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/14

2:15 pm-10:00 am

1 stop14h 45m

London Heathrow

Fri 5/16

5:40 pm-8:49 pm

1 stop32h 09m

$678

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 5/7

2:30 pm-9:30 am

1 stop14h 00m

London Heathrow

Wed 5/14

11:55 am-12:13 am

1 stop17h 18m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 37 results
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Best time to book a flight from Florida Keys to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Florida Keys with our price prediction graph.
Estimated round-trip 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 Florida Keys to London Heathrow Airport

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

Find hourly flight availability from Florida Keys to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

When flying from Florida Keys to London Heathrow Airport, 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 Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated April 25, 2025.
Read through reviews of airlines operating flights from Florida Keys to London, such as Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to Heathrow. 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 Florida Keys to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $199. Royal Air Maroc flights start at $340 while deals on Iberia start at $378 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to Heathrow 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 Florida Keys to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Florida Keys to London Heathrow Airport (average of $661). Flying from Florida Keys to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Florida Keys?

Book flights to Florida Keys if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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