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$663+ Cheap flights from Key West (EYW) to the United Kingdom

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LHR
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Key West to United Kingdom

Cheapest flights from Key West to United Kingdom
Explore the most affordable flight options available from Key West to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:01 pm
EYW
-
LHR
1 stop11h 54m
British Airways
Mon 11/98:25 am
LHR
-
EYW
2 stops40h 04m
British Airways
Deal found 2/12$663
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:25 pm
EYW
-
LHR
1 stop13h 50m
KLM
Tue 4/149:20 am
LHR
-
EYW
1 stop13h 03m
KLM
Deal found 2/10$677
This American Airlines deal was found by Cheapflights users on 2/13. 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.
Mon 4/64:40 pm
EYW
-
LHR
1 stop11h 25m
American Airlines
Tue 4/143:00 pm
LHR
-
EYW
1 stop12h 58m
American Airlines
Deal found 2/13$678
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:35 pm
EYW
-
LHR
1 stop17h 40m
KLM
Fri 10/1611:15 am
LHR
-
EYW
1 stop13h 28m
KLM
Deal found 2/12$681
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:30 am
EYW
-
LHR
1 stop18h 15m
Virgin Atlantic
Tue 4/149:40 am
LHR
-
EYW
2 stops15h 00m
Virgin Atlantic
Deal found 2/10$682
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:30 pm
EYW
-
LHR
1 stop12h 50m
United Airlines
Mon 9/288:40 am
LHR
-
EYW
2 stops18h 31m
United Airlines
Deal found 2/12$703
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Mon 4/64:38 pm
EYW
-
LHR
1 stop13h 57m
United Airlines
Tue 4/142:05 pm
LHR
-
EYW
2 stops29h 46m
United Airlines
Deal found 2/13$721
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:47 pm
EYW
-
MAN
2 stops37h 38m
United Airlines
Fri 10/29:00 am
MAN
-
EYW
2 stops18h 11m
United Airlines
Deal found 2/11$726
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am
EYW
-
LHR
1 stop18h 25m
KLM
Mon 9/2811:15 am
LHR
-
EYW
1 stop13h 30m
KLM
Deal found 2/12$731
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:42 pm
EYW
-
LHR
2 stops17h 33m
British Airways
Tue 4/1411:30 am
LHR
-
EYW
2 stops40h 28m
British Airways
Deal found 2/10$740
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Mon 3/306:22 pm
EYW
-
MAN
2 stops17h 48m
United Airlines
Mon 4/66:00 am
MAN
-
EYW
3 stops39h 42m
United Airlines
Deal found 2/13$834
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.
Thu 3/57:00 am
EYW
-
MAN
2 stops20h 45m
United Airlines
Mon 3/96:10 am
MAN
-
EYW
2 stops36h 45m
United Airlines
Deal found 2/10$862

Find flight deals from Key West to United Kingdom

Keep the following information in mind while searching for Key West to United Kingdom flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(KLM)
Provider with most accurate pricing for Key West-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-London (LON) flights.
Search Deals
From Key West to United Kingdom
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to United Kingdom 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 14, 2026.
Use the filters below to find and compare flights from Key West to the United Kingdom that are best for you.

Fly from

Key West

Fly to

United Kingdom

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/6

6:25 pm-1:15 pm

1 stop13h 50m

London Heathrow

Tue 4/14

9:20 am-5:23 pm

1 stop13h 03m

$677

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/6

7:30 am-6:45 am

1 stop18h 15m

London Heathrow

Tue 4/14

9:40 am-7:40 pm

2 stops15h 00m

$682

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/6

4:38 pm-11:35 am

1 stop13h 57m

London Heathrow

Tue 4/14

2:05 pm-2:51 pm

2 stops29h 46m

$721

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/6

7:42 pm-6:15 pm

2 stops17h 33m

London Heathrow

Tue 4/14

11:30 am-10:58 pm

2 stops40h 28m

$740

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/6

3:56 pm-10:45 pm

2 stops25h 49m

London Heathrow

Tue 4/14

6:10 am-10:58 pm

2 stops21h 48m

$755

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 2/26

2:15 pm-9:10 am

1 stop13h 55m

London Heathrow

Mon 3/2

7:40 am-5:54 pm

2 stops39h 14m

$757

Key WestManchester

EYW - MAN

EYWMAN

Key West

Mon 3/30

6:22 pm-5:10 pm

2 stops17h 48m

Manchester

Mon 4/6

6:00 am-4:42 pm

3 stops39h 42m

$834

Key WestManchester

EYW - MAN

EYWMAN

Key West

Thu 3/5

7:00 am-8:45 am

2 stops20h 45m

Manchester

Mon 3/9

6:10 am-2:55 pm

2 stops36h 45m

$862

Key WestManchester

EYW - MAN

EYWMAN

Key West

Wed 6/3

2:26 pm-10:25 am

2 stops14h 59m

Manchester

Wed 6/17

6:05 am-1:30 pm

2 stops36h 25m

$911

Key WestManchester

EYW - MAN

EYWMAN

Key West

Thu 2/26

6:35 pm-10:20 am

2 stops34h 45m

Manchester

Mon 3/2

9:30 am-3:00 pm

2 stops58h 30m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 21 results
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Best time to book a flight from Key West to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Key West 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 Key West to the United Kingdom
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated February 14, 2026.
Read through reviews of airlines operating flights from Key West to the United Kingdom, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,288 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
American Airlines
7.2
Good
11,288 reviews
American Airlines
7.2
Good
11,288 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Boarding

7.5

Overall

7.2

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.

Related info for your journey

Find useful and relevant information for your journey from Key West to United Kingdom. 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 from for flights from Key West to United Kingdom?

    Key West (EYW) is the airport you will fly out of if you book a flight from Key West to United Kingdom. It is only a 2.6 mi journey to Key West (EYW) from Key West’s city center.

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

    A quick flight from Key West to United Kingdom can take about 13h 50m. KLM provides one of the quickest options available for as low as $677. There are 4539 mi between Key West and United Kingdom. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular flight routes from Key West to United Kingdom are Key West - London Heathrow, Key West - Manchester and Key West - Newcastle upon Tyne.

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

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

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

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

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

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