This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — EYW
3 Sep — 10 Sep1
Return
1 adult
Economy
Cheapflights Tip: The best prices from London to Key West are usually found in September or November, booked 80 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from London to Key West
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Key West (EYW). 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 29 August 2025.
Explore the most affordable flight options available from London to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Mon 13/1019:15LHR - EYW
2 stops29h 51mVirgin Atlantic
Mon 20/1018:17EYW - LHR
1 stop14h 13mVirgin Atlantic
Deal found 27/8£466
Fri 3/1006:15LHR - EYW
2 stops18h 52mDelta
Sun 12/1007:40EYW - LHR
1 stop18h 35mDelta
Deal found 27/8£480
Mon 13/1006:15LHR - EYW
2 stops18h 51mDelta
Mon 20/1013:57EYW - LHR
2 stops14h 18mDelta
Deal found 29/8£506
Thu 13/1107:45LCY - EYW
2 stops35h 18mDelta
Mon 17/1112:26EYW - LCY
2 stops23h 09mDelta
Deal found 27/8£508
Sat 11/1012:10LGW - EYW
1 stop28h 59mJetBlue
Sat 18/1013:04EYW - LGW
1 stop15h 31mJetBlue
Deal found 26/8£522
Sat 11/1018:50LHR - EYW
2 stops30h 16mVirgin Atlantic
Sat 18/1018:17EYW - LHR
2 stops31h 58mVirgin Atlantic
Deal found 26/8£528
Fri 3/1008:55LCY - EYW
3 stops34h 34mMultiple Airlines
Sun 12/1015:12EYW - LCY
2 stops22h 23mMultiple Airlines
Deal found 27/8£979
Sat 11/1012:15LHR - EYW
2 stops31h 14mUnited Airlines
Sat 18/1015:11EYW - LHR
1 stop13h 09mUnited Airlines
Deal found 27/8£1,200
Wed 10/906:15LHR - EYW
2 stops17h 44mBritish Airways
Sat 13/913:59EYW - LHR
1 stop12h 11mBritish Airways
Deal found 27/8£1,644
Wed 10/906:30LHR - EYW
2 stops18h 42mDelta
Sat 13/911:50EYW - LHR
2 stops16h 00mDelta
Deal found 27/8£1,645
Sat 11/1020:40LGW - EYW
2 stops25h 36mBritish Airways
Sat 18/1013:25EYW - LGW
2 stops16h 25mBritish Airways
Deal found 26/8£2,270
Wed 10/908:45LCY - EYW
3 stops34h 16mMultiple Airlines
Sat 13/915:05EYW - LCY
2 stops17h 40mMultiple Airlines
Deal found 27/8£3,104
Best flights from London to Key West
Discover carefully curated flight deals from London to Key West that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.
Mon 13/1019:15LHR - EYW
2 stops29h 51mVirgin Atlantic
Mon 20/1018:17EYW - LHR
1 stop14h 13mVirgin Atlantic
Deal found 27/8£466
Fri 3/1006:15LHR - EYW
2 stops18h 52mDelta
Sun 12/1007:40EYW - LHR
1 stop18h 35mDelta
Deal found 27/8£480
Sat 11/1012:10LGW - EYW
1 stop28h 59mJetBlue
Sat 18/1013:04EYW - LGW
1 stop15h 31mJetBlue
Deal found 26/8£522
Fri 3/1008:55LCY - EYW
3 stops34h 34mMultiple Airlines
Sun 12/1015:12EYW - LCY
2 stops22h 23mMultiple Airlines
Deal found 27/8£979
Mon 13/1006:15LHR - EYW
2 stops18h 51mDelta
Mon 20/1013:57EYW - LHR
2 stops14h 18mDelta
Deal found 29/8£506
Sat 11/1015:15LHR - EYW
1 stop31h 06mVirgin Atlantic
Sat 18/1018:17EYW - LHR
1 stop31h 28mVirgin Atlantic
Deal found 26/8£528
Thu 13/1107:45LCY - EYW
2 stops35h 18mDelta
Mon 17/1112:26EYW - LCY
2 stops23h 09mDelta
Deal found 27/8£508
Sat 11/1020:40LGW - EYW
2 stops25h 36mBritish Airways
Sat 18/1013:25EYW - LGW
2 stops16h 25mBritish Airways
Deal found 26/8£2,270
Sat 22/1116:35LGW - EYW
2 stops48h 20mTAP AIR PORTUGAL
Sun 30/1112:50EYW - LGW
2 stops16h 00mTAP AIR PORTUGAL
Deal found 28/8£4,466
Wed 10/908:45LCY - EYW
3 stops34h 16mMultiple Airlines
Sat 13/915:05EYW - LCY
2 stops17h 40mMultiple Airlines
Deal found 27/8£3,104
Sat 22/1110:00LCY - EYW
2 stops38h 53mVirgin Atlantic
Sun 30/1112:26EYW - LCY
2 stops14h 44mVirgin Atlantic
Deal found 28/8£9,481
Last-minute flights from London to Key West
Discover last-minute flight deals from London to Key West. Data last updated 29 August 2025 and is based on user searches.
Wed 10/906:15LHR - EYW
2 stops17h 44mBritish Airways
Sat 13/913:59EYW - LHR
1 stop12h 11mBritish Airways
Deal found 27/8£1,644
Wed 10/906:30LHR - EYW
2 stops18h 42mDelta
Sat 13/911:50EYW - LHR
2 stops16h 00mDelta
Deal found 27/8£1,645
Wed 10/908:45LCY - EYW
3 stops34h 16mMultiple Airlines
Sat 13/915:05EYW - LCY
2 stops17h 40mMultiple Airlines
Deal found 27/8£3,104
Cheapflights Fare Finder
Customise your flight search to find flights from London to Key West 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 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from London to Key West that are best for you.
Fly from
London
Fly to
Key West
Route
Depart
Return
Price
LondonKey West
LHR - EYW
LHREYW
London Heathrow
Mon 13/10
19:15-20:06
2 stops29h 51m
Key West
Mon 20/10
18:17-13:30
1 stop14h 13m
£466
LondonKey West
LHR - EYW
LHREYW
London Heathrow
Fri 3/10
06:15-20:07
2 stops18h 52m
Key West
Sun 12/10
07:40-07:15
1 stop18h 35m
£480
LondonKey West
LHR - EYW
LHREYW
London Heathrow
Mon 13/10
06:15-20:06
2 stops18h 51m
Key West
Mon 20/10
13:57-09:15
2 stops14h 18m
£506
LondonKey West
LCY - EYW
LCYEYW
London City
Thu 13/11
07:45-14:03
2 stops35h 18m
Key West
Mon 17/11
12:26-16:35
2 stops23h 09m
£508
LondonKey West
LGW - EYW
LGWEYW
London Gatwick
Sat 11/10
12:10-12:09
1 stop28h 59m
Key West
Sat 18/10
13:04-09:35
1 stop15h 31m
£522
LondonKey West
LHR - EYW
LHREYW
London Heathrow
Sat 11/10
15:15-17:21
1 stop31h 06m
Key West
Sat 18/10
18:17-06:45
1 stop31h 28m
£528
LondonKey West
LCY - EYW
LCYEYW
London City
Fri 3/10
08:55-14:29
3 stops34h 34m
Key West
Sun 12/10
15:12-18:35
2 stops22h 23m
£979
LondonKey West
LGW - EYW
LGWEYW
London Gatwick
Sat 11/10
20:40-17:16
2 stops25h 36m
Key West
Sat 18/10
13:25-10:50
2 stops16h 25m
£2,270
LondonKey West
LCY - EYW
LCYEYW
London City
Wed 10/9
08:45-14:01
3 stops34h 16m
Key West
Sat 13/9
15:05-13:45
2 stops17h 40m
£3,104
LondonKey West
LGW - EYW
LGWEYW
London Gatwick
Sat 22/11
16:35-11:55
2 stops48h 20m
Key West
Sun 30/11
12:50-09:50
2 stops16h 00m
£4,466
Flights are sorted by cheapest return flights first.
Deals found on 27/8
Showing 1-10 of 11 results
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Best time to book a flight from London to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from London with our price prediction graph.
Estimated return 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 London to Key West
How far ahead should I book a flight from London to Key West?
Use this chart to determine the optimal time to book a return flight from London to Key West. Price data was last updated on 22 August 2025.
The price you pay for your flight from London to Key West may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest time of day to fly from LON to EYW?
Find hourly flight availability from London to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.
It’s optimal to fly from London to Key West in the morning. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the evening.
How much does it cost for a return flight from London to Key West?
What’s the top stopover airport for flights from London to Key West?
Share of one-stop return flights from London to Key West chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Atlanta (ATL) – chosen by Cheapflights users on 53% of one-stop itineraries from London to Key West on Cheapflights.
What’s the cheapest stopover airport for flights from London to Key West?
Average return fare for one-stop flights from London to Key West, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £604.
What’s the fastest stopover option from London to Key West?
Shortest average travel time for one-stop one-way flights from London to Key West, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 13h 20m.
Which airport typically offers the quickest stopover for flights from London to Key West?
Average stopover duration for one-stop one-way flights from London to Key West, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 51m.
Reviews of airlines servicing Key West
Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated 29 August 2025.
Check out reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic from London to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Related info for your journey
Find useful and relevant information for your journey from London to Key West. 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 into for flights to Key West from London?
Key West (EYW), located 2.6 mi from the city center, is the airport you fly into when you book flights from London to Key West. 3 airlines have flights to Key West from London on a regular basis. Booking flights from London to Key West should not be difficult; the airport handles an average of 0 inbound flights from London per day.
How long is the flight from London to Key West?
For as low as £480, Virgin Atlantic can have you in Key West from London in 18h 52m. The distance from London to Key West is about 4539 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Key West round-trip?
Virgin Atlantic, at £443, was found to be the cheapest airline from London to Key West.Alternate airlines flying return to your destination include British Airways and American Airlines. These flights start at 27% lower than the current average price 3 months from now.
What are the most popular routes from London to Key West?
The most popular route from London to Key West is London Heathrow - Key West. You may also consider London City - Key West or London Gatwick - Key West.
Can I find deals for flights from London to Key West that include hotel bookings?
Yes. In addition to deals on London to Key West flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Key West.
Can I find deals for business class flights from London to Key West?
Yes. Cheapflights offers flight deals from London to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Discover the top 3 airlines that operate flights from London to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Key West?
Cheapflights helps you search for flights from London to Key West via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from London to Key West?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key West from London.
Can Cheapflights find flights from London to Key West with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Key West flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from London to Key West become cheaper?
Of course! You can now track prices for flights from London to Key West and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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