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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
25 Mar — 1 Apr1
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 February 2026.

Mon 20/421:45
MIA
-
LTN
1 stop15h 20m
Multiple Airlines
Mon 27/405:40
LTN
-
MIA
1 stop19h 20m
Multiple Airlines
Deal found 19/2£438
Thu 29/1020:55
MIA
-
LHR
1 stop32h 25m
Scandinavian Airlines
Sat 7/1110:20
LHR
-
MIA
1 stop36h 45m
Scandinavian Airlines
Deal found 23/2£438
Tue 14/422:10
MIA
-
LGW
1 stop16h 50m
Multiple Airlines
Tue 28/406:00
LGW
-
MIA
1 stop19h 25m
Multiple Airlines
Deal found 19/2£438
Wed 22/418:15
MIA
-
LHR
1 stop21h 05m
Icelandair
Thu 30/413:05
LHR
-
MIA
1 stop13h 50m
Icelandair
Deal found 22/2£439
Mon 20/412:25
MIA
-
STN
3 stops30h 25m
Multiple Airlines
Mon 27/421:00
STN
-
MIA
2 stops22h 40m
Multiple Airlines
Deal found 19/2£439
Wed 15/421:30
MIA
-
LTN
1 stop16h 30m
Multiple Airlines
Tue 28/408:00
LTN
-
MIA
1 stop15h 45m
Multiple Airlines
Deal found 19/2£440
Mon 13/422:10
MIA
-
LGW
1 stop20h 45m
Multiple Airlines
Tue 21/406:00
LGW
-
MIA
1 stop19h 25m
Multiple Airlines
Deal found 22/2£440
Wed 15/421:30
MIA
-
LGW
2 stops20h 00m
Multiple Airlines
Wed 22/406:45
LGW
-
MIA
2 stops17h 00m
Multiple Airlines
Deal found 23/2£441
Wed 15/421:30
MIA
-
LTN
1 stop16h 30m
Multiple Airlines
Wed 29/408:00
LTN
-
MIA
1 stop15h 45m
Multiple Airlines
Deal found 20/2£442
Wed 15/421:30
MIA
-
LHR
2 stops17h 35m
Multiple Airlines
Tue 28/420:50
LHR
-
MIA
2 stops26h 55m
Multiple Airlines
Deal found 20/2£442
Tue 7/416:30
MIA
-
LTN
2 stops16h 15m
Multiple Airlines
Tue 14/408:00
LTN
-
MIA
2 stops35h 30m
Multiple Airlines
Deal found 21/2£443
Tue 21/416:30
MIA
-
LHR
1 stop25h 25m
TAP AIR PORTUGAL
Wed 29/413:45
LHR
-
MIA
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 21/2£443

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 February 2026.

Round-trip from

£438

One-way from

£275
20/4-27/4
  • 20/4-27/4
  • 2 total stops
  • 34h 40m total
  • Florida Keys to London
Search Deals
1/3
  • 1/3
  • 1 total stop
  • 20h 00m 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 February 2026.
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 - LHR

MIALHR

Miami

Tue 14/4

14:20-07:15

1 stop11h 55m

London Heathrow

Fri 24/4

07:25-17:05

1 stop14h 40m

£472

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 15/4

09:15-06:30

2 stops16h 15m

London Heathrow

Wed 22/4

08:40-17:25

1 stop13h 45m

£475

MiamiLondon

MIA - STN

MIASTN

Miami

Wed 15/4

21:45-17:10

1 stop14h 25m

London Stansted

Wed 22/4

07:45-03:45

2 stops25h 00m

£480

MiamiLondon

MIA - LGW

MIALGW

Miami

Mon 20/4

21:45-12:15

1 stop33h 30m

London Gatwick

Thu 23/4

14:30-20:00

1 stop34h 30m

£486

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 14/4

19:14-13:05

1 stop12h 51m

London Heathrow

Fri 24/4

16:00-20:55

Nonstop9h 55m

£494

MiamiLondon

MIA - LGW

MIALGW

Miami

Wed 15/4

16:30-14:00

1 stop16h 30m

London Gatwick

Mon 27/4

16:25-14:30

1 stop27h 05m

£496

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 8/3

06:00-21:20

1 stop11h 20m

London Heathrow

Mon 16/3

09:00-15:40

1 stop34h 40m

£497

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 22/3

22:25-11:10

Nonstop8h 45m

London Heathrow

Tue 7/4

15:50-20:45

Nonstop9h 55m

£508

MiamiLondon

MIA - LGW

MIALGW

Miami

Wed 1/4

13:46-06:50

1 stop12h 04m

London Gatwick

Wed 15/4

12:20-20:59

1 stop13h 39m

£509

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 16/3

18:34-10:50

1 stop12h 16m

London Heathrow

Fri 10/4

06:55-17:05

1 stop15h 10m

£509

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 60 results
1
2
3
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6

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 February 2026.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andNorse Atlantic UK 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
1,460 reviews
Check prices

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
679 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Norse Atlantic UK
7.3
Good
KLM
7.7
Good
1,460 reviews
Check prices

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
American Airlines
7.2
Good
11,344 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,762 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Food

7.3

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 United Airlines, LEVEL, and Delta fly from Florida Keys to London in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 21h 35m. 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 £102. However, be on the lookout for offers from TAP AIR PORTUGAL and Virgin Atlantic, 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

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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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