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Heathrow

$274+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LHR
abr. 9 — abr. 161
mié. 4/9
mié. 4/16
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 abril 4, 2025.

Round-trip from

$474
(Gotogate)

One-way from

$274
(Kiwi.com)

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. 9% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 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 abril 4, 2025.

This Gotogate deal was found by Cheapflights users on 4/3. 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.
vie. 5/27:55 amMIA - LHR
1 stop17h 35mMultiple Airlines
dom. 5/46:00 amLHR - MIA
1 stop16h 30mMultiple Airlines
Deal found 4/3$474
This eDestinos deal was found by Cheapflights users on 4/3. 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.
lun. 11/35:30 pmMIA - LHR
1 stop10h 50mIberia
lun. 11/109:50 amLHR - MIA
Nonstop9h 55mIberia
Deal found 4/3$517
This eDestinos deal was found by Cheapflights users on 4/3. 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.
lun. 11/35:15 pmMIA - LHR
Nonstop8h 35mBritish Airways
lun. 11/1011:15 amLHR - MIA
Nonstop10h 05mBritish Airways
Deal found 4/3$554
This Virgin Atlantic deal was found by Cheapflights users on 4/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/27:25 pmMIA - LHR
Nonstop9h 00mVirgin Atlantic
dom. 5/49:00 amLHR - MIA
1 stop16h 35mVirgin Atlantic
Deal found 4/3$557
This Scandinavian Airlines deal was found by Cheapflights users on 4/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/47:45 pmMIA - LHR
1 stop32h 35mScandinavian Airlines
sáb. 12/61:55 pmLHR - MIA
1 stop33h 00mScandinavian Airlines
Deal found 4/3$565
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/24:35 pmMIA - LHR
1 stop19h 55mTAP AIR PORTUGAL
mar. 12/96:00 amLHR - MIA
1 stop13h 50mTAP AIR PORTUGAL
Deal found 4/3$569
This Booking.com deal was found by Cheapflights users on 4/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/22:15 pmMIA - LHR
1 stop11h 15mAir Canada
mar. 5/62:05 pmLHR - MIA
1 stop14h 18mAir Canada
Deal found 4/3$585
This United deal was found by Cheapflights users on 4/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/1712:20 pmMIA - LHR
1 stop18h 25mUnited Airlines
sáb. 4/268:45 amLHR - MIA
1 stop13h 45mUnited Airlines
Deal found 4/3$607
This Delta deal was found by Cheapflights users on 4/3. 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.
dom. 5/411:14 amMIA - LHR
1 stop16h 36mDelta
vie. 5/1611:30 amLHR - MIA
1 stop14h 05mDelta
Deal found 4/3$614
This StudentUniverse deal was found by Cheapflights users on 4/4. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/165:10 pmMIA - LHR
1 stop12h 20mFinnair
mié. 4/3012:15 pmLHR - MIA
Nonstop9h 40mFinnair
Deal found 4/4$616
This Lufthansa deal was found by Cheapflights users on 4/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/166:45 pmMIA - LHR
1 stop13h 05mLufthansa
lun. 4/216:55 amLHR - MIA
1 stop15h 10mLufthansa
Deal found 4/4$630
This KLM deal was found by Cheapflights users on 4/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/241:50 pmMIA - LHR
1 stop11h 55mKLM
jue. 5/19:20 amLHR - MIA
1 stop14h 07mKLM
Deal found 4/3$632

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 abril 4, 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

vie. 5/2

7:55 am-6:30 am

1 stop17h 35m

London Heathrow

dom. 5/4

6:00 am-5:30 pm

1 stop16h 30m

$474

MiamiLondon

MIA - LHR

MIALHR

Miami

mar. 4/15

4:54 pm-10:20 am

1 stop12h 26m

London Heathrow

mar. 4/22

9:55 am-2:30 pm

Nonstop9h 35m

$526

MiamiLondon

MIA - LHR

MIALHR

Miami

vie. 5/2

7:25 pm-9:25 am

Nonstop9h 00m

London Heathrow

dom. 5/4

9:00 am-8:35 pm

1 stop16h 35m

$557

MiamiLondon

MIA - LHR

MIALHR

Miami

mar. 4/15

3:35 pm-7:40 am

1 stop11h 05m

London Heathrow

mar. 4/22

1:10 pm-9:30 pm

1 stop13h 20m

$560

MiamiLondon

MIA - LHR

MIALHR

Miami

vie. 5/2

2:15 pm-6:30 am

1 stop11h 15m

London Heathrow

mar. 5/6

2:05 pm-11:23 pm

1 stop14h 18m

$585

MiamiLondon

MIA - LHR

MIALHR

Miami

jue. 4/17

12:20 pm-11:45 am

1 stop18h 25m

London Heathrow

sáb. 4/26

8:45 am-5:30 pm

1 stop13h 45m

$607

MiamiLondon

MIA - LHR

MIALHR

Miami

dom. 5/4

11:14 am-8:50 am

1 stop16h 36m

London Heathrow

vie. 5/16

11:30 am-8:35 pm

1 stop14h 05m

$614

MiamiLondon

MIA - LHR

MIALHR

Miami

mié. 4/16

5:10 pm-10:30 am

1 stop12h 20m

London Heathrow

dom. 4/20

12:15 pm-4:55 pm

Nonstop9h 40m

$616

MiamiLondon

MIA - LHR

MIALHR

Miami

mié. 4/16

6:45 pm-12:50 pm

1 stop13h 05m

London Heathrow

lun. 4/21

6:55 am-5:05 pm

1 stop15h 10m

$630

MiamiLondon

MIA - LHR

MIALHR

Miami

jue. 4/24

1:50 pm-6:45 am

1 stop11h 55m

London Heathrow

jue. 5/1

9:20 am-6:27 pm

1 stop14h 07m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 29 results
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2
3

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 abril 4, 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 abril 4, 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
7,900 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
7,900 reviews
Delta
8.0
Very good
7,900 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,323 reviews
Delta
8.0
Very good
7,900 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,267 reviews
Delta
8.0
Very good
7,900 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,574 reviews
Delta
8.0
Very good
7,900 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,427 reviews
Delta
8.0
Very good
7,900 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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 Virgin Atlantic, which is currently one of the cheapest options available, starting at $326. TAP AIR PORTUGAL flights start at $333 while deals on JetBlue start at $344 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Folkestone
Ilford
Broadway

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Alternative routes for Florida Keys to Heathrow

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