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Cheap flights from the United Kingdom to Key West from £392

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 19 January 2026.

Round-trip from

£392

Popular in

December

Cheapest in

November

Average price

£496
United Airlines
  • United Airlines
  • 3/3-10/3
  • 3 total stops
  • 43h 33m total
  • United Kingdom to Key West
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 19 January 2026.

Tue 3/313:30
LHR
-
EYW
2 stops31h 37m
United Airlines
Tue 10/314:24
EYW
-
LHR
1 stop11h 56m
United Airlines
Deal found 17/1£392
Fri 30/115:10
LHR
-
EYW
2 stops25h 16m
United Airlines
Thu 5/216:15
EYW
-
LHR
1 stop14h 00m
United Airlines
Deal found 17/1£408
Fri 6/215:10
LHR
-
EYW
2 stops25h 16m
United Airlines
Mon 9/218:05
EYW
-
LHR
2 stops36h 10m
United Airlines
Deal found 17/1£415
Tue 7/413:40
LHR
-
EYW
1 stop31h 17m
United Airlines
Mon 13/418:22
EYW
-
LHR
1 stop31h 33m
United Airlines
Deal found 18/1£439
Tue 3/318:00
LHR
-
EYW
2 stops26h 00m
Lufthansa
Tue 10/314:24
EYW
-
LHR
2 stops16h 51m
Lufthansa
Deal found 17/1£440
Thu 2/713:40
LHR
-
EYW
2 stops37h 31m
United Airlines
Tue 21/707:00
EYW
-
LHR
1 stop21h 00m
United Airlines
Deal found 18/1£456
Thu 5/308:30
LHR
-
EYW
2 stops18h 49m
United Airlines
Thu 12/318:28
EYW
-
LHR
2 stops22h 52m
United Airlines
Deal found 19/1£477
Thu 2/708:00
LHR
-
EYW
1 stop19h 11m
Lufthansa
Tue 21/714:30
EYW
-
LHR
1 stop12h 50m
Lufthansa
Deal found 18/1£489
Thu 17/905:55
MAN
-
EYW
2 stops21h 16m
United Airlines
Mon 21/907:00
EYW
-
MAN
2 stops21h 50m
United Airlines
Deal found 17/1£515
Wed 23/909:00
MAN
-
EYW
2 stops35h 06m
United Airlines
Mon 28/916:05
EYW
-
MAN
2 stops20h 05m
United Airlines
Deal found 17/1£518
Thu 5/211:55
LGW
-
EYW
2 stops17h 01m
British Airways
Mon 9/216:37
EYW
-
LGW
2 stops37h 13m
British Airways
Deal found 17/1£527
Fri 6/207:50
LCY
-
EYW
2 stops40h 02m
British Airways
Mon 9/216:37
EYW
-
LCY
2 stops40h 28m
British Airways
Deal found 17/1£549

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 19 January 2026.
Use the filters below to find and compare flights from the United Kingdom to Key West that are best for you.

Fly from

United Kingdom

Fly to

Key West

Route

Depart

Return

Price

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 3/3

13:30-16:07

2 stops31h 37m

Key West

Tue 10/3

14:24-06:20

1 stop11h 56m

£392

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 30/1

13:35-11:26

1 stop26h 51m

Key West

Thu 5/2

18:05-10:50

1 stop11h 45m

£408

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 6/2

10:00-11:26

2 stops30h 26m

Key West

Mon 9/2

18:05-06:40

1 stop31h 35m

£415

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 5/2

11:55-23:56

2 stops17h 01m

Key West

Mon 9/2

16:37-10:50

2 stops37h 13m

£527

LondonKey West

LCY - EYW

LCYEYW

London City

Fri 6/2

07:50-23:56

2 stops21h 06m

Key West

Mon 9/2

16:37-14:05

2 stops40h 28m

£549

GlasgowKey West

GLA - EYW

GLAEYW

Glasgow Intl

Wed 4/2

08:40-23:56

2 stops20h 16m

Key West

Sun 8/2

19:45-14:30

2 stops37h 45m

£578

EdinburghKey West

EDI - EYW

EDIEYW

Edinburgh Turnhouse

Wed 4/2

06:25-23:56

2 stops22h 31m

Key West

Sun 8/2

19:45-10:10

2 stops33h 25m

£590

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 5/3

14:00-12:26

1 stop27h 26m

Key West

Thu 12/3

09:46-10:00

1 stop20h 14m

£601

EdinburghKey West

EDI - EYW

EDIEYW

Edinburgh Turnhouse

Thu 5/3

05:50-19:42

2 stops18h 52m

Key West

Sat 14/3

14:40-16:05

2 stops21h 25m

£639

LondonKey West

LCY - EYW

LCYEYW

London City

Thu 5/3

07:45-19:42

2 stops16h 57m

Key West

Thu 12/3

18:25-16:35

2 stops18h 10m

£687

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 21 results
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2
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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, February is the cheapest month in which you can book a flight from United Kingdom to Key West (average of £436). Flying from United Kingdom to Key West in June is currently the most expensive (average of £592). 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 19 January 2026.
Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andAmerican Airlines 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.
KLM
7.7
Good
1,441 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,441 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,160 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,689 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 United Airlines, British Airways, and Delta fly from United Kingdom to Key West in about 17h 01m. The time it takes to get you to your destination can typically vary by up to 14h 36m. The distance between United Kingdom and Key West is about 4555 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, February is the cheapest month in which you can book a flight from United Kingdom to Key West (average of £436). Flying from United Kingdom to Key West in June is currently the most expensive (average of £592). 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

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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 19 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£452Average£575FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£493Average£732FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£518Average£557FlexibilityNo 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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