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Key West

$509+ Cheap flights from the United Kingdom to Key West (EYW)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from United Kingdom to Key West

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 February 13, 2026.

This TravelUp deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:05 am
LHR
-
EYW
2 stops18h 24m
British Airways
Mon 11/161:45 pm
EYW
-
LHR
1 stop16h 45m
British Airways
Deal found 2/11$642
This British Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:55 am
LHR
-
EYW
1 stop13h 32m
British Airways
Mon 9/2112:05 pm
EYW
-
LHR
1 stop13h 50m
British Airways
Deal found 2/9$733
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:15 pm
LHR
-
EYW
2 stops31h 51m
United Airlines
Mon 9/214:05 pm
EYW
-
LHR
1 stop14h 40m
United Airlines
Deal found 2/9$744
This British Airways deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:10 am
LHR
-
EYW
2 stops21h 48m
British Airways
Sat 4/2511:35 am
EYW
-
LHR
1 stop16h 25m
British Airways
Deal found 2/11$748
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:40 pm
LHR
-
EYW
2 stops25h 51m
United Airlines
Mon 4/133:47 pm
EYW
-
LHR
1 stop33h 58m
United Airlines
Deal found 2/10$760
This The Travel House deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:35 pm
LHR
-
EYW
1 stop12h 23m
Finnair
Sat 4/254:53 pm
EYW
-
LHR
1 stop14h 57m
Finnair
Deal found 2/12$764
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:30 pm
EDI
-
EYW
2 stops55h 36m
United Airlines
Mon 9/142:30 pm
EYW
-
EDI
2 stops15h 05m
United Airlines
Deal found 2/8$815
This British Airways deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 pm
GLA
-
EYW
2 stops27h 57m
British Airways
Mon 9/1412:05 pm
EYW
-
GLA
2 stops20h 20m
British Airways
Deal found 2/8$824
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:45 am
EDI
-
EYW
2 stops18h 58m
Delta
Sat 11/287:00 am
EYW
-
EDI
2 stops20h 35m
Delta
Deal found 2/10$869
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:00 am
LCY
-
EYW
2 stops37h 10m
British Airways
Tue 6/231:34 pm
EYW
-
LCY
2 stops38h 01m
British Airways
Deal found 2/11$1,081
This Expedia deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:20 am
LCY
-
EYW
2 stops37h 10m
Multiple Airlines
Mon 4/133:58 pm
EYW
-
LCY
2 stops18h 17m
Multiple Airlines
Deal found 2/12$1,090
This KAYAK deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:50 am
EDI
-
EYW
2 stops17h 39m
British Airways
Sat 11/2812:46 pm
EYW
-
EDI
1 stop14h 04m
British Airways
Deal found 2/10$1,146

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 February 13, 2026.

Round-trip from

$748
(British Airways)

One-way from

$509
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$775
From United Kingdom to Key West
Search Deals
One-way flight from United Kingdom to Key West
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 13, 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

Thu 4/16

6:15 am-10:58 pm

2 stops21h 43m

Key West

Sat 4/25

11:35 am-9:00 am

1 stop16h 25m

$748

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 4/7

4:40 pm-1:31 pm

2 stops25h 51m

Key West

Mon 4/13

3:47 pm-6:45 am

1 stop33h 58m

$760

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 4/16

3:35 pm-10:58 pm

1 stop12h 23m

Key West

Sat 4/25

4:53 pm-12:50 pm

1 stop14h 57m

$764

LondonKey West

LCY - EYW

LCYEYW

London City

Thu 6/18

11:00 am-7:10 pm

2 stops37h 10m

Key West

Tue 6/23

1:34 pm-8:35 am

2 stops38h 01m

$1,081

LondonKey West

LCY - EYW

LCYEYW

London City

Tue 4/7

9:20 am-5:30 pm

2 stops37h 10m

Key West

Mon 4/13

3:58 pm-3:15 pm

2 stops18h 17m

$1,090

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Sat 4/11

2:00 pm-9:06 am

1 stop24h 06m

Key West

Fri 4/17

1:06 pm-6:20 am

2 stops36h 14m

$1,166

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Tue 4/7

2:00 pm-11:11 am

1 stop26h 11m

Key West

Mon 4/13

1:06 pm-10:00 am

1 stop15h 54m

$1,299

LondonKey West

LCY - EYW

LCYEYW

London City

Tue 4/7

9:50 am-10:58 pm

2 stops18h 08m

Key West

Mon 4/13

3:58 pm-3:15 pm

2 stops18h 17m

$1,380

LondonKey West

LCY - EYW

LCYEYW

London City

Sun 3/29

8:45 pm-5:30 pm

2 stops25h 45m

Key West

Sun 4/5

6:25 pm-4:40 pm

2 stops17h 15m

$1,556

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Wed 4/1

12:05 pm-11:38 am

2 stops28h 33m

Key West

Wed 4/8

12:30 pm-9:45 am

2 stops16h 15m

$2,183

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 16 results
1
2

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 round-trip 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, September is the cheapest month in which you can book a flight from United Kingdom to Key West (average of $606). Flying from United Kingdom to Key West in June is currently the most expensive (average of $792). 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.

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?

    Key West (EYW), located 2.6 mi from the city center, is the airport you fly into when you book flights from United Kingdom to Key West.

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

    For as low as $748, British Airways can have you in Key West from United Kingdom in 21h 43m. The distance from United Kingdom to Key West is about 4539 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular route from United Kingdom to Key West is London Heathrow - Key West. You may also consider London Gatwick - Key West or London City - 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 vacation 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, September is the cheapest month in which you can book a flight from United Kingdom to Key West (average of $606). Flying from United Kingdom to Key West in June is currently the most expensive (average of $792). 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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