$325+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — LON
Nov 28 — Dec 51
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
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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 October 29, 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 October 29, 2026.
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:14 pm -
1 stop12h 41m
Mon 12/79:20 am -
1 stop32h 03m
Deal found 10/27![JetBlue logo]()
$879
This Air France deal was found by Cheapflights users on 10/27. 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.
Tue 11/246:08 pm -
1 stop12h 32m
Fri 12/116:30 am -
2 stops18h 31m
Deal found 10/27![Multiple Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 10/27. 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 11/252:07 pm -
2 stops18h 38m
Fri 12/116:30 am -
2 stops15h 40m
Deal found 10/27![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/242:50 pm -
1 stop34h 30m
Tue 12/81:00 pm -
2 stops31h 26m
Deal found 10/27![United Airlines logo]()
$909
This Delta deal was found by Cheapflights users on 10/27. 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 11/242:07 pm -
2 stops13h 53m
Thu 12/106:20 am -
2 stops18h 41m
Deal found 10/27![Delta logo]()
$913
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/252:51 pm -
1 stop12h 34m
Tue 12/81:00 pm -
2 stops31h 26m
Deal found 10/27![United Airlines logo]()
$921
This KLM deal was found by Cheapflights users on 10/27. 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 11/246:08 pm -
1 stop12h 32m
Fri 12/118:55 am -
1 stop16h 06m
Deal found 10/27![KLM logo]()
$928
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/252:51 pm -
2 stops14h 59m
Thu 12/1012:00 pm -
2 stops28h 24m
Deal found 10/27![United Airlines logo]()
$933
This KLM deal was found by Cheapflights users on 10/27. 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.
Thu 11/267:30 am -
1 stop19h 20m
Fri 12/116:30 am -
2 stops18h 31m
Deal found 10/27![KLM logo]()
$949
This Delta deal was found by Cheapflights users on 10/27. 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 11/267:30 am -
2 stops18h 35m
Wed 12/96:30 am -
2 stops15h 40m
Deal found 10/27![Delta logo]()
$953
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 October 29, 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 October 29, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 10/28. 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.
Wed 2/35:00 pm -
1 stop13h 40m
Tue 2/910:00 am -
2 stops15h 48m
Deal found 10/28![Virgin Atlantic logo]()
$888
This Expedia deal was found by Cheapflights users on 10/28. 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.
Wed 4/211:36 pm -
1 stop17h 59m
Wed 4/289:45 am -
1 stop18h 12m
Deal found 10/28![British Airways logo]()
$897
This Delta deal was found by Cheapflights users on 10/27. 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 11/267:30 am -
2 stops18h 35m
Wed 12/96:30 am -
2 stops15h 40m
Deal found 10/27![Delta logo]()
$953
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/232:50 pm -
1 stop12h 35m
Mon 12/146:00 pm -
1 stop25h 36m
Deal found 10/27![United Airlines logo]()
$1,035
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 12/47:25 am -
2 stops19h 20m
Mon 12/76:30 am -
2 stops18h 31m
Deal found 10/27![Delta logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/2611:25 am -
1 stop13h 55m
Mon 12/146:00 pm -
1 stop25h 36m
Deal found 10/27![United Airlines logo]()
$1,035
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/204:09 pm -
1 stop14h 51m
Fri 1/221:00 pm -
2 stops28h 16m
Deal found 10/28![United Airlines logo]()
$1,196
Last-minute flights from Key West to LondonDiscover last-minute flight deals from Key West to London. Data last updated October 29, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to London. Data last updated October 29, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 10/27. 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.
Tue 11/246:08 pm -
1 stop12h 32m
Fri 12/116:30 am -
2 stops18h 31m
Deal found 10/27![Multiple Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/242:50 pm -
1 stop34h 30m
Tue 12/81:00 pm -
2 stops31h 26m
Deal found 10/27![United Airlines logo]()
$909
This Delta deal was found by Cheapflights users on 10/27. 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 11/242:07 pm -
2 stops13h 53m
Thu 12/106:20 am -
2 stops18h 41m
Deal found 10/27![Delta logo]()
$913
This KLM deal was found by Cheapflights users on 10/27. 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 11/246:08 pm -
1 stop12h 32m
Fri 12/118:55 am -
1 stop16h 06m
Deal found 10/27![KLM logo]()
$928
This Delta deal was found by Cheapflights users on 10/27. 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 11/252:07 pm -
2 stops18h 38m
Fri 12/116:30 am -
2 stops15h 40m
Deal found 10/27![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/252:51 pm -
1 stop12h 34m
Tue 12/81:00 pm -
2 stops31h 26m
Deal found 10/27![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/252:51 pm -
2 stops14h 59m
Thu 12/1012:00 pm -
2 stops28h 24m
Deal found 10/27![United Airlines logo]()
$933
This KLM deal was found by Cheapflights users on 10/27. 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.
Thu 11/267:30 am -
1 stop19h 20m
Fri 12/116:30 am -
2 stops18h 31m
Deal found 10/27![KLM logo]()
$949
This Delta deal was found by Cheapflights users on 10/27. 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 11/267:30 am -
2 stops18h 35m
Wed 12/96:30 am -
2 stops15h 40m
Deal found 10/27![Delta logo]()
$953
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/2611:25 am -
1 stop28h 10m
Tue 12/81:00 pm -
2 stops31h 26m
Deal found 10/27![United Airlines logo]()
$960
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 October 29, 2026.
Search for one-way flight options from Key West to London. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
This Expedia deal was found by Cheapflights users on 10/28. 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.
Wed 4/211:36 pm -
1 stop17h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![British Airways logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/110:59 am -
3 stops40h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$677
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/28. 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.
Wed 4/215:56 pm -
3 stops23h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/112:22 pm -
1 stop18h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$787
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 October 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $871 (Expedia) |
One-way from | $325 (Expedia) |
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 October 29, 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
Quickest round-trip
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Wed 4/21
1:36 pm-12:35 pm
1 stop17h 59m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$325
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Wed 4/21
5:56 pm-10:00 pm
3 stops23h 04m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$708
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Fri 1/1
12:59 pm-8:05 am
2 stops38h 06m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$751
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Wed 2/3
5:00 pm-11:40 am
1 stop13h 40m
London Heathrow
Tue 2/9
10:00 am-8:48 pm
2 stops15h 48m
$888
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Wed 4/21
1:36 pm-12:35 pm
1 stop17h 59m
London Heathrow
Wed 4/28
9:45 am-10:57 pm
1 stop18h 12m
$897
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Thu 11/26
7:30 am-7:05 am
2 stops18h 35m
London Heathrow
Wed 12/9
6:30 am-5:10 pm
2 stops15h 40m
$953
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Fri 12/4
7:25 am-7:45 am
2 stops19h 20m
London Heathrow
Mon 12/7
6:30 am-8:01 pm
2 stops18h 31m
$1,003
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Mon 11/23
2:50 pm-8:25 am
1 stop12h 35m
London Heathrow
Mon 12/14
6:00 pm-2:36 pm
1 stop25h 36m
$1,035
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Thu 11/26
11:25 am-6:20 am
1 stop13h 55m
London Heathrow
Mon 12/14
6:00 pm-2:36 pm
1 stop25h 36m
$1,035
Key WestLondon
EYW Key West - LHR London Heathrow
EYWLHR
Key West
Wed 1/20
4:09 pm-12:00 pm
1 stop14h 51m
London Heathrow
Fri 1/22
1:00 pm-12:16 pm
2 stops28h 16m
$1,196
Sorted 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | 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
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
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 October 29, 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.
Entertainment
6.8
Overall
7.0
Crew
7.9
Boarding
7.4
Comfort
7.1
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Entertainment
6.8
Overall
7.0
Crew
7.9
Boarding
7.4
Comfort
7.1
Food
6.4
Reviews
1 / 20
4.0
OkayCameron,Nov 2025
PDX - LHR
Entertainment
6.8
Overall
7.0
Crew
7.9
Boarding
7.4
Comfort
7.1
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
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Basingstoke
Watford
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Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford
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