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Key West

$620+ Cheap flights from the United Kingdom to Key West (EYW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EYW
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$620
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$644
From United Kingdom to Key West
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 11/1310:00 amLCY - EYW
2 stops36h 12mDelta
Mon 11/176:18 pmEYW - LCY
2 stops17h 17mDelta
Deal found 9/10$690
This lastminute.com deal was found by Cheapflights users on 9/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:50 pmLHR - EYW
1 stop32h 16mVirgin Atlantic
Sun 11/26:17 pmEYW - LHR
2 stops33h 28mVirgin Atlantic
Deal found 9/11$701
This lastminute.com deal was found by Cheapflights users on 9/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:20 pmLHR - EYW
2 stops28h 46mMultiple Airlines
Sun 11/26:17 pmEYW - LHR
2 stops33h 28mMultiple Airlines
Deal found 9/11$704
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:35 amGLA - EYW
2 stops20h 12mAmerican Airlines
Mon 11/174:10 pmEYW - GLA
2 stops19h 25mAmerican Airlines
Deal found 9/10$724
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:25 amEDI - EYW
2 stops20h 02mAmerican Airlines
Tue 11/186:33 pmEYW - EDI
2 stops15h 42mAmerican Airlines
Deal found 9/9$730
This Flighttix deal was found by Cheapflights users on 9/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:30 pmLHR - EYW
1 stop27h 43mBritish Airways
Sun 11/22:39 pmEYW - LHR
1 stop35h 11mBritish Airways
Deal found 9/11$735
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/1412:30 pmEDI - EYW
2 stops30h 34mUnited Airlines
Tue 11/183:00 pmEYW - EDI
1 stop11h 55mUnited Airlines
Deal found 9/9$806
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:00 pmLGW - EYW
1 stop22h 15mMultiple Airlines
Fri 11/79:57 amEYW - LGW
2 stops18h 48mMultiple Airlines
Deal found 9/9$835
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:00 pmLGW - EYW
1 stop22h 15mMultiple Airlines
Thu 11/68:55 amEYW - LGW
2 stops19h 50mMultiple Airlines
Deal found 9/9$851
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:05 amLHR - EYW
2 stops56h 14mUnited Airlines
Sun 11/24:00 pmEYW - LHR
2 stops37h 50mUnited Airlines
Deal found 9/11$916
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:55 amLGW - EYW
2 stops24h 20mMultiple Airlines
Thu 11/68:55 amEYW - LGW
1 stop20h 05mMultiple Airlines
Deal found 9/9$1,213
This KLM deal was found by Cheapflights users on 9/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:20 amEDI - EYW
1 stop13h 46mKLM
Sat 11/16:17 pmEYW - EDI
2 stops17h 48mKLM
Deal found 9/10$1,271

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 September 11, 2025.
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

LGW - EYW

LGWEYW

London Gatwick

Fri 3/6

11:20 am-11:06 am

2 stops28h 46m

Key West

Tue 3/10

8:01 pm-7:30 am

2 stops31h 29m

$620

LondonKey West

LCY - EYW

LCYEYW

London City

Thu 11/13

10:00 am-5:12 pm

2 stops36h 12m

Key West

Mon 11/17

6:18 pm-4:35 pm

2 stops17h 17m

$690

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sun 10/26

3:50 pm-8:06 pm

1 stop32h 16m

Key West

Sun 11/2

6:17 pm-8:45 am

2 stops33h 28m

$701

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sun 10/26

7:20 pm-8:06 pm

2 stops28h 46m

Key West

Sun 11/2

6:17 pm-8:45 am

2 stops33h 28m

$704

GlasgowKey West

GLA - EYW

GLAEYW

Glasgow Intl

Thu 11/13

6:35 am-9:47 pm

2 stops20h 12m

Key West

Mon 11/17

4:10 pm-4:35 pm

2 stops19h 25m

$724

EdinburghKey West

EDI - EYW

EDIEYW

Edinburgh Turnhouse

Fri 11/14

7:25 am-10:27 pm

2 stops20h 02m

Key West

Tue 11/18

6:33 pm-3:15 pm

2 stops15h 42m

$730

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sun 10/26

4:30 pm-4:13 pm

1 stop27h 43m

Key West

Sun 11/2

2:39 pm-6:50 am

1 stop35h 11m

$735

EdinburghKey West

EDI - EYW

EDIEYW

Edinburgh Turnhouse

Fri 11/14

12:30 pm-2:04 pm

2 stops30h 34m

Key West

Tue 11/18

3:00 pm-7:55 am

1 stop11h 55m

$806

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 10/30

2:00 pm-8:15 am

1 stop22h 15m

Key West

Fri 11/7

9:57 am-9:45 am

2 stops18h 48m

$835

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 10/30

2:00 pm-8:15 am

1 stop22h 15m

Key West

Thu 11/6

8:55 am-9:45 am

2 stops19h 50m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 29 results
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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 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, August is the cheapest month in which you can book a flight from United Kingdom to Key West (average of $328). Flying from United Kingdom to Key West in March is currently the most expensive (average of $491). 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 $620, American Airlines can have you in Key West from United Kingdom in 28h 46m. The distance from United Kingdom to Key West is about 4555 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from United Kingdom to Key West one-way?

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as $3,528. However, be on the lookout for offers from Air France and Virgin Atlantic, as they are both options that can get you from United Kingdom to Key West for a low price.

  • 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, August is the cheapest month in which you can book a flight from United Kingdom to Key West (average of $328). Flying from United Kingdom to Key West in March is currently the most expensive (average of $491). 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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