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$325+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 2026.

This Delta deal was found by Cheapflights users on 6/6. 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 9/2311:49 am
EYW
-
LHR
1 stop13h 36m
Delta
Wed 10/146:30 am
LHR
-
EYW
2 stops18h 13m
Delta
Deal found 6/6$869
This oojo deal was found by Cheapflights users on 6/6. 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.
Wed 9/237:47 pm
EYW
-
LHR
1 stop11h 48m
British Airways
Wed 10/149:55 am
LHR
-
EYW
1 stop13h 29m
British Airways
Deal found 6/6$889
This KLM deal was found by Cheapflights users on 6/5. 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.
Tue 8/187:40 am
EYW
-
LHR
1 stop17h 45m
KLM
Tue 9/16:30 am
LHR
-
EYW
2 stops18h 24m
KLM
Deal found 6/5$929
This Delta deal was found by Cheapflights users on 6/5. 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 8/197:40 am
EYW
-
LHR
2 stops17h 40m
Delta
Tue 9/16:30 am
LHR
-
EYW
2 stops18h 24m
Delta
Deal found 6/5$933
This Delta deal was found by Cheapflights users on 6/5. 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.
Sun 8/1611:48 am
EYW
-
LHR
1 stop20h 27m
Delta
Tue 9/16:15 am
LHR
-
EYW
2 stops18h 39m
Delta
Deal found 6/5$936
This Delta deal was found by Cheapflights users on 6/5. 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.
Sun 8/1611:48 am
EYW
-
LHR
2 stops16h 12m
Delta
Wed 9/26:30 am
LHR
-
EYW
2 stops18h 24m
Delta
Deal found 6/5$938
This Delta deal was found by Cheapflights users on 6/5. 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 8/177:40 am
EYW
-
LHR
2 stops18h 35m
Delta
Tue 9/16:15 am
LHR
-
EYW
2 stops18h 39m
Delta
Deal found 6/5$941
This oojo deal was found by Cheapflights users on 6/5. 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.
Wed 8/198:09 pm
EYW
-
LHR
1 stop11h 26m
British Airways
Tue 9/19:55 am
LHR
-
EYW
1 stop13h 36m
British Airways
Deal found 6/5$949
This oojo deal was found by Cheapflights users on 6/7. 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.
Mon 8/241:35 pm
EYW
-
LHR
1 stop12h 20m
British Airways
Fri 9/412:15 pm
LHR
-
EYW
1 stop12h 24m
British Airways
Deal found 6/7$950
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 9/2310:04 am
EYW
-
LGW
2 stops26h 46m
Multiple Airlines
Wed 10/142:00 pm
LGW
-
EYW
1 stop25h 19m
Multiple Airlines
Deal found 6/6$1,017
This Booking.com deal was found by Cheapflights users on 6/6. 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.
Wed 9/231:47 pm
EYW
-
LGW
2 stops25h 13m
British Airways
Wed 10/148:40 pm
LGW
-
EYW
2 stops50h 44m
British Airways
Deal found 6/6$1,807

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$869
(Delta)

One-way from

$325
(Expedia)
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 June 8, 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 - LHR

EYWLHR

Key West

Wed 9/23

11:49 am-6:25 am

1 stop13h 36m

London Heathrow

Wed 10/14

6:30 am-7:43 pm

2 stops18h 13m

$869

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 8/24

7:40 am-6:25 am

1 stop17h 45m

London Heathrow

Fri 9/4

6:30 am-7:54 pm

2 stops18h 24m

$929

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 8/16

6:15 pm-1:15 pm

1 stop14h 00m

London Heathrow

Wed 9/2

6:30 am-7:54 pm

2 stops18h 24m

$929

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 8/24

1:59 pm-10:40 am

2 stops15h 41m

London Heathrow

Fri 9/4

6:30 am-7:57 pm

2 stops18h 27m

$933

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 7/30

2:24 pm-11:20 am

1 stop15h 56m

London Heathrow

Tue 8/25

6:30 am-7:54 pm

2 stops18h 24m

$979

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 7/30

7:50 am-6:45 am

2 stops17h 55m

London Heathrow

Tue 8/25

6:15 am-7:57 pm

2 stops18h 42m

$991
Quickest round-trip

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 7/30

1:47 pm-6:55 am

1 stop12h 08m

London Heathrow

Tue 8/25

9:55 am-6:31 pm

1 stop13h 36m

$999

Key WestLondon

EYW - LGW

EYWLGW

Key West

Wed 9/23

10:04 am-5:50 pm

2 stops26h 46m

London Gatwick

Wed 10/14

2:00 pm-10:19 am

1 stop25h 19m

$1,017

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 7/13

7:50 am-7:15 am

1 stop18h 25m

London Heathrow

Wed 7/22

6:30 am-7:51 pm

2 stops18h 21m

$1,063

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 7/13

2:26 pm-7:15 am

1 stop11h 49m

London Heathrow

Wed 7/22

9:30 am-3:19 pm

2 stops34h 49m

$1,071

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Key West to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to London in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 June 8, 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
11,643 reviews

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Entertainment

6.9

Food

6.4

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
11,643 reviews
American Airlines
7.1
Good
11,643 reviews

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Entertainment

6.9

Food

6.4

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
8,031 reviews
American Airlines
7.1
Good
11,643 reviews

Crew

7.9

Boarding

7.5

Comfort

7.2

Overall

7.1

Entertainment

6.9

Food

6.4

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 13h 36m. 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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