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Cheap flights from Florida Keys to London Heathrow Airport from £206

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LHR
28 Feb — 7 Mar1
1 adult

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 23 February 2025.

Round-trip from

£399

One-way from

£206

Popular in

December

Cheapest in

May

Average price

£1,108
SWISS
  • SWISS
  • 3/4-29/4
  • 2 total stops
  • 27h 20m total
  • Florida Keys to London
1/4
  • 1/4
  • 2 total stops
  • 35h 08m total
  • Florida Keys to London
Highest demand for flights based on searches. 12% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£45 potential savings vs. average return price).
Average for round-trip flights in February 2025

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 23 February 2025.

Thu 3/416:50MIA - LHR
1 stop13h 35mSWISS
Tue 29/408:45LHR - MIA
1 stop13h 45mSWISS
Deal found 22/2£399
Mon 10/317:30MIA - LHR
1 stop20h 00mTAP AIR PORTUGAL
Wed 19/306:00LHR - MIA
1 stop20h 45mTAP AIR PORTUGAL
Deal found 22/2£415
Thu 20/316:29MIA - LHR
3 stops34h 41mMultiple Airlines
Sun 23/306:00LHR - MIA
3 stops32h 37mMultiple Airlines
Deal found 22/2£447
Mon 13/1016:10MIA - LHR
1 stop10h 55mIberia
Fri 31/1011:45LHR - MIA
Nonstop10h 05mIberia
Deal found 22/2£469
Mon 24/1119:45MIA - LHR
2 stops15h 40mScandinavian Airlines
Sun 30/1119:30LHR - MIA
1 stop27h 25mScandinavian Airlines
Deal found 22/2£483
Mon 15/917:00MIA - LHR
Nonstop8h 55mBritish Airways
Tue 30/909:55LHR - MIA
Nonstop9h 30mBritish Airways
Deal found 22/2£495
Mon 3/306:00MIA - LHR
1 stop18h 55mJetBlue
Wed 12/308:25LHR - MIA
1 stop18h 09mJetBlue
Deal found 22/2£503
Mon 10/312:51MIA - LHR
1 stop13h 49mUnited Airlines
Tue 25/308:55LHR - MIA
1 stop13h 35mUnited Airlines
Deal found 22/2£510
Wed 23/419:25MIA - LHR
Nonstop9h 00mDelta
Tue 29/406:30LHR - MIA
1 stop12h 25mDelta
Deal found 23/2£514
Mon 22/913:40MIA - LHR
1 stop15h 20mAir Canada
Fri 3/1009:30LHR - MIA
2 stops16h 18mAir Canada
Deal found 22/2£531
Sun 6/419:25MIA - LHR
Nonstop9h 00mVirgin Atlantic
Mon 21/417:35LHR - MIA
1 stop25h 40mVirgin Atlantic
Deal found 22/2£548
Fri 21/319:30MIA - LHR
1 stop12h 10mAmerican Airlines
Fri 28/311:45LHR - MIA
Nonstop10h 00mAmerican Airlines
Deal found 22/2£566

Find flights from Florida Keys to Heathrow within your budget

Customise 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 858,174 searches. Data last updated 23 February 2025.

Fly from

Florida Keys

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 3/4

16:50-11:25

1 stop13h 35m

London Heathrow

Tue 29/4

08:45-17:30

1 stop13h 45m

£399

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 10/3

17:30-17:30

1 stop20h 00m

London Heathrow

Wed 19/3

06:00-22:45

1 stop20h 45m

£415

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 20/3

16:29-07:10

3 stops34h 41m

London Heathrow

Sun 23/3

06:00-10:37

3 stops32h 37m

£447

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 30/4

17:00-06:55

Nonstop8h 55m

London Heathrow

Wed 7/5

11:30-20:15

1 stop13h 45m

£489

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 19/3

17:54-09:30

1 stop11h 36m

London Heathrow

Fri 28/3

07:25-16:39

1 stop13h 14m

£503

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 30/4

17:00-06:55

Nonstop8h 55m

London Heathrow

Wed 7/5

09:55-14:30

Nonstop9h 35m

£505

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 10/3

12:51-06:40

1 stop13h 49m

London Heathrow

Tue 25/3

08:55-18:30

1 stop13h 35m

£510

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 23/4

19:25-09:25

Nonstop9h 00m

London Heathrow

Tue 29/4

06:30-13:55

1 stop12h 25m

£514

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 26/3

07:45-07:10

2 stops19h 25m

London Heathrow

Tue 8/4

14:05-12:48

1 stop27h 43m

£531

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 6/4

19:25-09:25

Nonstop9h 00m

London Heathrow

Mon 21/4

17:35-14:15

1 stop25h 40m

£548

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 27 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 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.

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.

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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 23 February 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Florida Keys to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

8.0
Very Good

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £217. Users have also found prices from £236 and £259 on British Airways and TAP AIR PORTUGAL, respectively.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Florida Keys to London Heathrow Airport (average of £112). Flying from Florida Keys to London Heathrow Airport in August is currently the most expensive (average of £163). 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

Travelling to a place near Florida Keys?

Book flights to Florida Keys if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Florida Keys to Heathrow

Discover the top airline that operate flights from Florida Keys to Heathrow. 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 23 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£630Average£1,152FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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How does Cheapflights help users find flights from Florida Keys to Heathrow?

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

Yes, we can. To see specific flights from Florida Keys to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Of course! You can now track prices for flights from Florida Keys to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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