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$257+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$478
(SWISS)

One-way from

$257
(Kissandfly.com)

Popular in

December

Cheapest in

May

Average price

$1,400
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. 12% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:50 pmMIA - LHR
1 stop15h 30mSWISS
Tue 4/16:00 amLHR - MIA
1 stop13h 10mSWISS
Deal found 2/20$478
This eDestinos deal was found by Cheapflights users on 2/20. 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.
Tue 10/144:30 pmMIA - LHR
1 stop12h 50mTAP AIR PORTUGAL
Wed 10/2211:20 amLHR - MIA
1 stop15h 30mTAP AIR PORTUGAL
Deal found 2/20$525
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Wed 11/267:45 pmMIA - LHR
1 stop32h 10mScandinavian Airlines
Sun 12/76:40 pmLHR - MIA
1 stop28h 15mScandinavian Airlines
Deal found 2/20$570
This eDestinos deal was found by Cheapflights users on 2/20. 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.
Tue 10/148:55 pmMIA - LHR
Nonstop8h 40mBritish Airways
Wed 10/228:45 amLHR - MIA
1 stop13h 10mBritish Airways
Deal found 2/20$573
This CrystalTravel deal was found by Cheapflights users on 2/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/57:15 pmMIA - LHR
2 stops30h 20mMultiple Airlines
Mon 4/218:40 amLHR - MIA
1 stop34h 35mMultiple Airlines
Deal found 2/20$613
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Wed 3/197:50 pmMIA - LHR
1 stop11h 35mAer Lingus
Fri 3/288:50 amLHR - MIA
1 stop13h 10mAer Lingus
Deal found 2/20$619
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
Wed 3/128:55 pmMIA - LHR
Nonstop8h 45mIberia
Wed 3/1911:25 amLHR - MIA
1 stop14h 05mIberia
Deal found 2/20$627
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Sat 3/296:05 pmMIA - LHR
1 stop31h 25mAir Canada
Fri 4/119:30 amLHR - MIA
1 stop12h 43mAir Canada
Deal found 2/20$632
This JetBlue deal was found by Cheapflights users on 2/20. 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.
Tue 3/46:00 amMIA - LHR
1 stop18h 55mJetBlue
Mon 3/318:15 amLHR - MIA
1 stop13h 35mJetBlue
Deal found 2/20$636
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/105:48 pmMIA - LHR
1 stop11h 22mUnited Airlines
Tue 3/258:55 amLHR - MIA
1 stop13h 35mUnited Airlines
Deal found 2/20$642
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Sun 3/96:00 pmMIA - LHR
Nonstop8h 45mVirgin Atlantic
Tue 3/259:40 amLHR - MIA
Nonstop10h 30mVirgin Atlantic
Deal found 2/20$644
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 4/2310:30 pmMIA - LHR
Nonstop8h 45mDelta
Tue 4/296:30 amLHR - MIA
1 stop12h 25mDelta
Deal found 2/20$650

Find flights from Florida Keys to Heathrow within your budget

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 February 20, 2025.

Fly from

Florida Keys

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 3/4

7:50 pm-4:20 pm

1 stop15h 30m

London Heathrow

Tue 4/1

6:00 am-2:10 pm

1 stop13h 10m

$478

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 3/10

5:30 pm-10:40 pm

1 stop25h 10m

London Heathrow

Tue 3/25

6:00 am-3:45 pm

1 stop13h 45m

$528

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 3/24

6:33 pm-9:20 am

1 stop10h 47m

London Heathrow

Tue 4/8

1:10 pm-9:30 pm

1 stop13h 20m

$597

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 4/5

7:15 pm-6:35 am

2 stops30h 20m

London Heathrow

Mon 4/21

8:40 am-2:15 pm

1 stop34h 35m

$613

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 3/19

7:50 pm-11:25 am

1 stop11h 35m

London Heathrow

Fri 3/28

8:50 am-6:00 pm

1 stop13h 10m

$619

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 3/12

8:55 pm-9:40 am

Nonstop8h 45m

London Heathrow

Wed 3/19

11:25 am-9:30 pm

1 stop14h 05m

$627

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 3/29

6:05 pm-5:30 am

1 stop31h 25m

London Heathrow

Fri 4/11

9:30 am-5:13 pm

1 stop12h 43m

$632

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 3/4

6:00 am-5:55 am

1 stop18h 55m

London Heathrow

Mon 3/31

8:15 am-4:50 pm

1 stop13h 35m

$636

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 3/10

5:48 pm-9:10 am

1 stop11h 22m

London Heathrow

Tue 3/25

8:55 am-6:30 pm

1 stop13h 35m

$642

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 3/9

6:00 pm-6:45 am

Nonstop8h 45m

London Heathrow

Tue 3/25

9:40 am-4:10 pm

Nonstop10h 30m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 32 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.

Travel insights for flights from Florida Keys to Heathrow

Get recent, data-driven insights about flights from Florida Keys to Heathrow including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
Read through reviews of airlines operating flights from Florida Keys to London, such as Delta, Finnair and SWISS. 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
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

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 JetBlue, which is currently one of the cheapest options available, starting at $274. Icelandair flights start at $294 while deals on Iberia start at $298 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 $1,136). 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
Harrow
Luton
Wembley
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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Alternative routes for Florida Keys to Heathrow

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