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$781+ Cheap flights from Key West (EYW) to London (LON)

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Cheap flight deals from Key West to London

Cheapest flights from Key West to London
Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.

This Priceline deal was found by Cheapflights users on 4/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:05 pm
EYW
-
LHR
1 stop15h 55m
British Airways
Mon 10/56:15 am
LHR
-
EYW
2 stops17h 09m
British Airways
Deal found 4/23$820
This Air France deal was found by Cheapflights users on 4/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:45 am
EYW
-
LGW
2 stops23h 15m
Air France
Mon 10/55:00 pm
LGW
-
EYW
2 stops29h 11m
Air France
Deal found 4/23$894
This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:05 pm
EYW
-
LHR
2 stops25h 40m
Multiple Airlines
Mon 10/56:15 am
LHR
-
EYW
2 stops17h 09m
Multiple Airlines
Deal found 4/23$910
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Sun 5/1711:24 am
EYW
-
LHR
1 stop14h 31m
American Airlines
Sun 5/249:55 am
LHR
-
EYW
1 stop14h 15m
American Airlines
Deal found 4/19$1,081
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/172:49 pm
EYW
-
LHR
2 stops34h 46m
United Airlines
Sun 5/246:50 am
LHR
-
EYW
2 stops37h 17m
United Airlines
Deal found 4/19$1,105
This Delta deal was found by Cheapflights users on 4/21. 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.
Wed 6/32:03 pm
EYW
-
LHR
1 stop18h 12m
Delta
Tue 9/16:30 am
LHR
-
EYW
2 stops18h 15m
Delta
Deal found 4/21$1,136
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/12:26 pm
EYW
-
LHR
2 stops25h 34m
United Airlines
Thu 9/39:30 am
LHR
-
EYW
2 stops33h 04m
United Airlines
Deal found 4/23$1,141
This KLM deal was found by Cheapflights users on 4/23. 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 6/16:19 pm
EYW
-
LHR
1 stop12h 01m
Multiple Airlines
Tue 9/16:15 am
LHR
-
EYW
2 stops15h 59m
Multiple Airlines
Deal found 4/23$1,143
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 6/16:19 pm
EYW
-
LHR
1 stop12h 01m
Delta
Wed 9/26:15 am
LHR
-
EYW
2 stops18h 30m
Delta
Deal found 4/21$1,144
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/22:26 pm
EYW
-
LHR
2 stops15h 14m
United Airlines
Thu 9/39:30 am
LHR
-
EYW
2 stops33h 04m
United Airlines
Deal found 4/23$1,146
This lastminute.com deal was found by Cheapflights users on 4/22. 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.
Sat 6/67:49 pm
EYW
-
LGW
2 stops19h 11m
British Airways
Sat 6/138:40 pm
LGW
-
EYW
2 stops27h 30m
British Airways
Deal found 4/22$1,895

Find flight deals from Key West to London

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$820
(Priceline)

One-way from

$781
(oojo)
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 London (LON)
Search Deals
One-way flight from Key West to London (LON)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to London 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 April 24, 2026.
Use the filters below to find and compare flights from Key West to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestLondon

EYW - LGW

EYWLGW

Key West

Mon 9/21

11:45 am-4:00 pm

2 stops23h 15m

London Gatwick

Mon 10/5

5:00 pm-5:11 pm

2 stops29h 11m

$894
Quickest round-trip

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 5/17

11:24 am-6:55 am

1 stop14h 31m

London Heathrow

Sun 5/24

9:15 am-7:10 pm

2 stops14h 55m

$1,086

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 5/17

2:49 pm-6:35 am

2 stops34h 46m

London Heathrow

Sun 5/24

6:50 am-3:07 pm

2 stops37h 17m

$1,105

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 6/2

7:30 am-6:25 am

1 stop17h 55m

London Heathrow

Mon 8/31

5:35 pm-5:14 pm

2 stops28h 39m

$1,156

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 6/2

7:30 am-6:25 am

1 stop17h 55m

London Heathrow

Tue 9/1

11:15 am-7:45 pm

1 stop13h 30m

$1,165

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 7/13

7:45 am-6:20 am

2 stops17h 35m

London Heathrow

Wed 7/22

8:05 pm-5:23 pm

2 stops26h 18m

$1,200

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 6/16

7:45 am-6:25 am

1 stop17h 40m

London Heathrow

Fri 7/17

9:20 am-5:23 pm

1 stop13h 03m

$1,371

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 6/16

7:45 am-7:10 am

2 stops18h 25m

London Heathrow

Fri 7/17

9:20 am-7:51 pm

1 stop15h 31m

$1,375

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 6/16

2:26 pm-8:20 am

1 stop12h 54m

London Heathrow

Fri 7/17

2:10 pm-3:07 pm

1 stop29h 57m

$1,379

Key WestLondon

EYW - LGW

EYWLGW

Key West

Sat 6/6

7:49 pm-8:00 pm

2 stops19h 11m

London Gatwick

Sat 6/13

8:40 pm-7:10 pm

2 stops27h 30m

$1,895

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Key West-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Key West-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Key West to London

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated April 24, 2026.
Get a feel of what it's like to fly with American Airlines and British Airways from Key West to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,668 reviews

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,668 reviews
American Airlines
7.1
Good
11,668 reviews

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
British Airways
6.7
Okay
7,911 reviews
American Airlines
7.1
Good
11,668 reviews

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Food

6.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

Find useful and relevant information for your journey from Key West to London. 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 London?

    Key West (EYW), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Key West to London. 0 airlines have flights from Key West to London on a regular basis. Booking flights from Key West to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • How long is the flight from Key West to London?

    Departing from Key West to London will take you 15h 55m. Key West and London are separated by a distance of 4539 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key West to London 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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