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Cheap flights from the United Kingdom to Key West from £420

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
27 Jun — 4 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Key West

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Key West
Explore the most affordable flight options available from United Kingdom to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 May 2026.

Sun 28/614:00
LGW
-
EYW
1 stop29h 35m
Multiple Airlines
Thu 16/712:05
EYW
-
LGW
1 stop16h 55m
Multiple Airlines
Deal found 24/5£563
Wed 7/1009:55
LHR
-
EYW
1 stop13h 29m
British Airways
Wed 25/1112:00
EYW
-
LHR
1 stop19h 05m
British Airways
Deal found 25/5£581
Thu 1/1006:15
LHR
-
EYW
2 stops17h 12m
British Airways
Mon 12/1019:52
EYW
-
LHR
1 stop11h 43m
British Airways
Deal found 24/5£598
Wed 7/1014:00
LGW
-
EYW
1 stop27h 47m
Multiple Airlines
Wed 25/1110:59
EYW
-
LGW
1 stop14h 01m
Multiple Airlines
Deal found 25/5£610
Thu 1/1009:20
LHR
-
EYW
1 stop13h 04m
Virgin Atlantic
Mon 12/1014:35
EYW
-
LHR
1 stop17h 40m
Virgin Atlantic
Deal found 24/5£616
Fri 30/1008:55
LHR
-
EYW
1 stop14h 48m
Virgin Atlantic
Mon 2/1118:00
EYW
-
LHR
1 stop32h 50m
Virgin Atlantic
Deal found 26/5£621
Wed 7/1019:15
LCY
-
EYW
2 stops28h 09m
British Airways
Wed 25/1113:45
EYW
-
LCY
2 stops14h 05m
British Airways
Deal found 25/5£626
Thu 12/1111:25
LHR
-
EYW
2 stops37h 04m
British Airways
Mon 16/1113:45
EYW
-
LHR
1 stop17h 20m
British Airways
Deal found 27/5£627
Thu 12/1109:10
LHR
-
EYW
1 stop32h 52m
United Airlines
Mon 16/1116:05
EYW
-
LHR
1 stop14h 55m
United Airlines
Deal found 27/5£629
Tue 1/907:30
LHR
-
EYW
2 stops34h 59m
United Airlines
Sat 31/1014:30
EYW
-
LHR
2 stops50h 05m
United Airlines
Deal found 27/5£630
Fri 30/1006:20
LHR
-
EYW
2 stops17h 23m
Air France
Mon 2/1118:00
EYW
-
LHR
2 stops31h 50m
Air France
Deal found 26/5£637
Sun 28/614:00
LGW
-
EYW
1 stop29h 35m
Multiple Airlines
Fri 17/712:07
EYW
-
LGW
1 stop16h 53m
Multiple Airlines
Deal found 24/5£642

Find flight deals from United Kingdom to Key West

Keep the following information in mind while searching for United Kingdom to Key West flight deals. Data was last updated 28 May 2026.

Round-trip from

£563

One-way from

£420

Popular in

December

Cheapest in

March

Average price

£557
28/6-16/7
  • 28/6-16/7
  • 2 total stops
  • 46h 30m total
  • United Kingdom to Key West
Search Deals
British Airways
  • British Airways
  • 30/10
  • 1 total stop
  • 12h 39m total
  • United Kingdom to Key West
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Key West 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 28 May 2026.
Use the filters below to find and compare flights from the United Kingdom to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Wed 7/10

14:00-12:47

1 stop27h 47m

Key West

Wed 25/11

10:59-06:00

1 stop14h 01m

£610

LondonKey West

LCY - EYW

LCYEYW

London City

Wed 7/10

19:15-18:24

2 stops28h 09m

Key West

Wed 25/11

13:45-08:50

2 stops14h 05m

£626

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 12/11

09:10-13:02

1 stop32h 52m

Key West

Mon 16/11

16:05-12:00

1 stop14h 55m

£629

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 12/11

10:45-19:29

2 stops37h 44m

Key West

Mon 16/11

13:45-12:05

1 stop17h 20m

£630

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 1/7

08:40-13:30

2 stops33h 50m

Key West

Wed 22/7

14:26-06:55

2 stops35h 29m

£642

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 30/10

07:30-13:02

2 stops33h 32m

Key West

Mon 2/11

16:05-21:20

2 stops24h 15m

£645

ManchesterKey West

MAN - EYW

MANEYW

Manchester

Wed 23/9

07:05-18:33

2 stops16h 28m

Key West

Mon 28/9

19:03-19:15

2 stops19h 12m

£671

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sun 28/6

07:45-13:30

1 stop34h 45m

Key West

Thu 16/7

14:26-07:15

1 stop11h 49m

£700

ManchesterKey West

MAN - EYW

MANEYW

Manchester

Wed 23/9

10:40-19:50

1 stop14h 10m

Key West

Mon 28/9

07:40-14:00

2 stops25h 20m

£704
Fastest return journey

ManchesterKey West

MAN - EYW

MANEYW

Manchester

Wed 23/9

10:40-19:50

1 stop14h 10m

Key West

Mon 28/9

11:49-10:00

2 stops17h 11m

£704

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 46 resultsSorted by cheapest first
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2
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5

Best time to book a flight from United Kingdom to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from United Kingdom 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 the United Kingdom to Key West

What is the cheapest month to book a flight from United Kingdom to Key West?

Currently, April is the cheapest month in which you can book a flight from United Kingdom to Key West (average of £163). Flying from United Kingdom to Key West in June is currently the most expensive (average of £558). 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.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated 28 May 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,American Airlines, andBritish Airways from the United Kingdom to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
American Airlines
7.1
Good
11,645 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,008 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from United Kingdom?

    Located just 2.6 mi from the city center, Key West (EYW) is the airport most travelers will use when flying to Key West from United Kingdom.

  • How long is the flight from United Kingdom to Key West?

    Airlines like British Airways, United Airlines, and Delta fly from United Kingdom to Key West in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 19h 32m. The distance between United Kingdom and Key West is about 4381 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from United Kingdom to Key West?

    The most popular flight routes from United Kingdom to Key West are London Heathrow - Key West, London City - Key West and London Gatwick - Key West.

  • Can I find deals for flights from United Kingdom to Key West that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Key West flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Key West.

  • Can I find deals for business class flights from United Kingdom to Key West?

    Yes. Cheapflights offers flight deals from United Kingdom to Key West 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 United Kingdom to Key West?

    Currently, April is the cheapest month in which you can book a flight from United Kingdom to Key West (average of £163). Flying from United Kingdom to Key West in June is currently the most expensive (average of £558). 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

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Alternative routes for United Kingdom to Key West

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from United Kingdom to Key West

Discover the top 3 airlines that operate flights from United Kingdom to Key West. 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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£482Average£628FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£493Average£745FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£517Average£556FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Key West?

When you search for this flight from United Kingdom to Key West, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Key West?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Key West for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to Key West with no change fees?

Need flexible booking options for your flight to Key West from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Key West become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key West from United Kingdom today and book when prices fit your budget.

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