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Cheap flights from Florida Keys to London from £275

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Florida Keys to London

Enter your travel dates to find the best prices.

Cheapest flights from Florida Keys to London
Explore the most affordable flight options available from Florida Keys to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Wed 24/1219:50MIA - LGW
2 stops18h 15mMultiple Airlines
Tue 3/213:00LGW - MIA
1 stop15h 59mMultiple Airlines
Deal found 22/12£491
Fri 26/1223:35MIA - LHR
1 stop17h 00mTAP AIR PORTUGAL
Mon 5/118:30LHR - MIA
1 stop25h 20mTAP AIR PORTUGAL
Deal found 22/12£497
Tue 30/1223:15MIA - LCY
1 stop30h 40mITA Airways
Sun 18/116:45LCY - MIA
1 stop28h 30mITA Airways
Deal found 22/12£509
Wed 24/1219:50MIA - LGW
2 stops18h 15mMultiple Airlines
Wed 28/109:50LGW - MIA
1 stop15h 10mMultiple Airlines
Deal found 22/12£522
Wed 24/1219:50MIA - LGW
2 stops18h 15mMultiple Airlines
Mon 2/213:00LGW - MIA
1 stop30h 21mMultiple Airlines
Deal found 22/12£529
Wed 24/1219:50MIA - LHR
2 stops20h 45mMultiple Airlines
Wed 28/109:55LHR - MIA
1 stop15h 05mMultiple Airlines
Deal found 22/12£530
Wed 24/1219:55MIA - LHR
2 stops17h 55mScandinavian Airlines
Sat 31/113:55LHR - MIA
1 stop33h 40mScandinavian Airlines
Deal found 22/12£551
Wed 24/1219:55MIA - LHR
1 stop20h 25mScandinavian Airlines
Sun 1/209:55LHR - MIA
1 stop13h 40mScandinavian Airlines
Deal found 22/12£552
Fri 26/1219:55MIA - LHR
1 stop15h 05mScandinavian Airlines
Sun 25/109:55LHR - MIA
1 stop13h 40mScandinavian Airlines
Deal found 21/12£556
Wed 24/1219:50MIA - LGW
2 stops18h 15mMultiple Airlines
Sun 1/213:00LGW - MIA
1 stop15h 59mMultiple Airlines
Deal found 22/12£557
Wed 24/1219:50MIA - LGW
2 stops18h 15mMultiple Airlines
Fri 30/113:00LGW - MIA
1 stop15h 59mMultiple Airlines
Deal found 22/12£564
Wed 24/1223:35MIA - LHR
1 stop12h 55mTAP AIR PORTUGAL
Wed 28/106:00LHR - MIA
1 stop13h 50mTAP AIR PORTUGAL
Deal found 22/12£564

Find flight deals from Florida Keys to London

Keep the following information in mind while searching for Florida Keys to London flight deals. Data was last updated 23 December 2025.

Round-trip from

£439

One-way from

£275
British Airways
  • British Airways
  • 21/4-29/4
  • 2 total stops
  • 24h 15m total
  • Florida Keys to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/3
  • 1 total stop
  • 16h 45m total
  • Florida Keys to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Florida Keys to London 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 December 2025.
Use the filters below to find and compare flights from Florida Keys to London that are best for you.

Fly from

Florida Keys

Fly to

London

Route

Depart

Return

Price

MiamiLondon

MIA - LGW

MIALGW

Miami

Tue 3/2

21:10-18:35

1 stop16h 25m

London Gatwick

Tue 10/2

08:30-18:55

1 stop15h 25m

£441

MiamiLondon

MIA - STN

MIASTN

Miami

Sun 18/1

07:25-16:15

3 stops27h 50m

London Stansted

Sun 25/1

14:55-14:40

2 stops28h 45m

£443

MiamiLondon

MIA - STN

MIASTN

Miami

Sun 15/2

21:45-20:55

1 stop18h 10m

London Stansted

Fri 20/2

05:55-20:00

1 stop19h 05m

£445

MiamiLondon

MIA - LTN

MIALTN

Miami

Tue 24/3

17:40-20:10

2 stops22h 30m

London Luton

Mon 30/3

20:10-17:25

2 stops26h 15m

£451

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 19/1

22:50-12:20

Nonstop8h 30m

London Heathrow

Sun 25/1

18:10-16:50

1 stop27h 40m

£456

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 5/2

22:10-11:55

Nonstop8h 45m

London Heathrow

Thu 12/2

06:30-14:50

1 stop13h 20m

£457

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 19/1

08:05-08:45

1 stop19h 40m

London Heathrow

Sun 25/1

06:30-14:50

1 stop13h 20m

£457

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 27/2

21:25-11:10

Nonstop8h 45m

London Heathrow

Fri 6/3

06:30-14:50

1 stop13h 20m

£458

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 22/2

06:15-07:30

1 stop20h 15m

London Heathrow

Sat 28/2

13:45-14:40

1 stop29h 55m

£460

MiamiLondon

MIA - LCY

MIALCY

Miami

Fri 23/1

16:40-11:40

1 stop14h 00m

London City

Wed 28/1

09:20-17:30

1 stop13h 10m

£460

Flights are sorted by cheapest return flights first.

Deals found on 23/12

Showing 1-10 of 60 results
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Best time to book a flight from Florida Keys to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Florida Keys to London
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 23 December 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAmerican Airlines from Florida Keys to London by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Crew

8.3

Food

7.2

Boarding

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Crew

8.3

Food

7.2

Boarding

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
677 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Crew

8.3

Food

7.2

Boarding

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
American Airlines
7.2
Good
11,054 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Crew

8.3

Food

7.2

Boarding

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Norse Atlantic UK
7.2
Good
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Crew

8.3

Food

7.2

Boarding

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,606 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Overall

7.7

Crew

8.3

Food

7.2

Boarding

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Florida Keys to London?

    Airlines like Finnair, KLM, and Delta fly from Florida Keys to London in about 8h 30m. The time it takes to get you to your destination can typically vary by up to 11h 10m. The distance between Florida Keys and London is about 4414 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Florida Keys to London one-way?

    The cheapest airline one-way is Norse Atlantic UK, with whom users have recently found tickets for as low as £109. However, be on the lookout for offers from TAP AIR PORTUGAL and British Airways, as they are both options that can get you from Florida Keys to London for a low price.

  • What are the most popular routes from Florida Keys to London?

    Most travelers choose Miami - London Heathrow, Miami - London Gatwick or Miami - London City when deciding on the best route from Florida Keys to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to London 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Luton
Gatwick
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Hayes
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Bishop's Stortford
Chelmsford

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Alternative routes for Florida Keys to London

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

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Florida Keys today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Florida Keys.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Florida Keys today and book when prices fit your budget.

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