$274+ Cheap flights from Key West (EYW) to London (LON)
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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Key West to London with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Key West to London
Cheapest
Best
Last-minute
One-way
Cheapest flights from Key West to LondonExplore 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 September 13, 2026.
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 September 13, 2026.
This KLM deal was found by Cheapflights users on 9/12. 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.
Tue 10/2711:51 am -
1 stop15h 59m
Tue 11/36:20 am -
2 stops18h 41m
Deal found 9/12![Multiple Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:40 am -
2 stops20h 05m
Tue 11/36:20 am -
2 stops18h 41m
Deal found 9/12![Delta logo]()
$744
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 12/274:40 pm -
2 stops33h 00m
Sat 1/211:10 am -
2 stops29h 57m
Deal found 9/8![United Airlines logo]()
$1,237
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:54 pm -
1 stop12h 36m
Sat 1/211:15 am -
1 stop13h 06m
Deal found 9/8![American Airlines logo]()
$1,560
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:15 am -
2 stops27h 45m
Sat 1/26:40 am -
3 stops33h 13m
Deal found 9/8![Multiple Airlines logo]()
$2,405
This business-class.com 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:10 pm -
1 stop15h 50m
Sat 10/316:00 pm -
1 stop24h 54m
Deal found 9/10![Lufthansa logo]()
$8,744
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:43 pm -
1 stop18h 22m
Sat 10/3112:10 pm -
2 stops28h 46m
Deal found 9/10![Multiple Airlines logo]()
$8,957
Best flights from Key West to LondonDiscover carefully curated flight deals from Key West to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Key West to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This KLM deal was found by Cheapflights users on 9/12. 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.
Tue 10/2711:51 am -
1 stop15h 59m
Tue 11/36:20 am -
2 stops18h 41m
Deal found 9/12![Multiple Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:40 am -
2 stops20h 05m
Tue 11/36:20 am -
2 stops18h 41m
Deal found 9/12![Delta logo]()
$744
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/203:04 pm -
1 stop12h 21m
Fri 1/226:00 pm -
2 stops47h 15m
Deal found 9/10![United Airlines logo]()
$893
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/177:00 am -
2 stops18h 50m
Mon 3/15:35 pm -
2 stops28h 36m
Deal found 9/11![Delta logo]()
$765
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/177:00 am -
2 stops29h 40m
Mon 3/16:40 am -
3 stops33h 18m
Deal found 9/11![Multiple Airlines logo]()
$1,209
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1212:50 pm -
2 stops21h 55m
Fri 3/199:35 pm -
3 stops42h 25m
Deal found 9/10![TAP AIR PORTUGAL logo]()
$2,552
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1212:50 pm -
2 stops17h 05m
Fri 3/192:40 pm -
2 stops25h 20m
Deal found 9/10![Multiple Airlines logo]()
$2,269
Last-minute flights from Key West to LondonDiscover last-minute flight deals from Key West to London. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to London. Data last updated September 13, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 9/12. 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.
Tue 10/2711:51 am -
1 stop15h 59m
Tue 11/36:20 am -
2 stops18h 41m
Deal found 9/12![Multiple Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:40 am -
2 stops20h 05m
Tue 11/36:20 am -
2 stops18h 41m
Deal found 9/12![Delta logo]()
$744
This business-class.com 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:10 pm -
1 stop15h 50m
Sat 10/316:00 pm -
1 stop24h 54m
Deal found 9/10![Lufthansa logo]()
$8,744
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:43 pm -
1 stop18h 22m
Sat 10/3112:10 pm -
2 stops28h 46m
Deal found 9/10![Multiple Airlines logo]()
$8,957
One-way flights from Key West to LondonSearch for one-way flight options from Key West to London. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Key West to London. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:59 am -
1 stop18h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:59 am -
1 stop14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:59 am -
3 stops44h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:59 am -
2 stops19h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:16 pm -
3 stops42h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:59 am -
3 stops44h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:16 pm -
3 stops36h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$427
This oojo deal was found by Cheapflights users on 9/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:46 pm -
1 stop13h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![JetBlue logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:22 am -
2 stops18h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:04 am -
3 stops41h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$437
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:43 am -
1 stop13h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Virgin Atlantic logo]()
$453
This Justfly.com deal was found by Cheapflights users on 9/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:06 pm -
1 stop12h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Virgin Atlantic logo]()
$457
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $730 (KLM) |
One-way from | $274 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 13, 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
Cheapest round-trip
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Fri 11/13
10:59 am-11:55 am
2 stops19h 56m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$389
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Wed 11/11
2:06 pm-7:50 am
1 stop12h 44m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$457
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Tue 11/10
2:06 pm-9:25 am
2 stops14h 19m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$460
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Sat 11/14
4:10 pm-9:20 pm
2 stops24h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$460
Key WestLondon
EYW Key West - LGW London Gatwick
EYWLGW
Key West
Wed 11/11
6:05 pm-3:45 pm
2 stops16h 40m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$464
Key WestLondon
EYW Key West - LGW London Gatwick
EYWLGW
Key West
Tue 11/10
6:05 pm-3:45 pm
2 stops16h 40m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$464
Key WestLondon
EYW Key West - LGW London Gatwick
EYWLGW
Key West
Thu 11/19
12:01 pm-9:45 am
2 stops40h 44m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$478
Quickest round-trip
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Tue 11/17
6:05 pm-11:40 am
1 stop12h 35m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$500
Key WestLondon
EYW Key West - LGW London Gatwick
EYWLGW
Key West
Sat 11/14
6:05 pm-3:45 pm
2 stops16h 40m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$515
Key WestLondon
EYW Key West - LGW London Gatwick
EYWLGW
Key West
Fri 11/13
6:05 pm-3:45 pm
2 stops16h 40m
London Gatwick
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$518
Showing 1-10 of 18 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
EYW-LON
EYW-LHR
EYW-LGW
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
EYW-LON
EYW-LHR
EYW-LGW
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 September 13, 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.
Overall
7.1
Crew
7.9
Entertainment
6.8
Comfort
7.2
Boarding
7.4
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Overall
7.1
Crew
7.9
Entertainment
6.8
Comfort
7.2
Boarding
7.4
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Overall
7.1
Crew
7.9
Entertainment
6.8
Comfort
7.2
Boarding
7.4
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
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.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsIlford
Dorking
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Watford
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Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow
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