How long is the flight from London to Key West?

For as low as £646, United Airlines can have you in Key West from London in 16h 58m. The distance from London to Key West is about 4560 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 £436, was found to be the cheapest airline from London to Key West. An alternate airline flying to your destination would be British Airways. These flights start at 34% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 inches per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

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.

What is the cheapest time of day to fly from LON to EYW?

When flying from London to Key West, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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. 2 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.

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.

£428+ Cheap Flights from London to Key West

Cheap flight deals from London to Key West

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Key West
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 9 September 2026.

Wed 4/1109:50 -

1 stop29h 29m

Fri 13/1110:59 -

1 stop18h 01m

Deal found 8/9£485

Fri 9/1018:00 -

1 stop24h 29m

Sat 24/1016:20 -

1 stop15h 40m

Deal found 6/9£493

Thu 5/1111:00 -

1 stop28h 19m

Fri 13/1110:59 -

1 stop18h 01m

Deal found 8/9£496

Sun 1/1112:35 -

1 stop26h 44m

Fri 13/1110:59 -

1 stop18h 01m

Deal found 8/9£518

Sun 1/1112:50 -

1 stop30h 02m

Tue 17/1114:50 -

1 stop13h 20m

Deal found 8/9£576

Mon 5/1006:25 -

2 stops18h 08m

Mon 19/1013:43 -

1 stop14h 17m

Deal found 7/9£579

Tue 6/1012:15 -

1 stop12h 18m

Tue 13/1020:03 -

1 stop11h 32m

Deal found 5/9£585

Mon 5/1006:25 -

2 stops18h 08m

Mon 12/1020:03 -

1 stop11h 32m

Deal found 5/9£589

Mon 5/1017:55 -

2 stops48h 34m

Mon 19/1014:15 -

2 stops35h 40m

Deal found 7/9£590

Thu 1/1014:00 -

1 stop25h 19m

Thu 22/1010:59 -

1 stop18h 01m

Deal found 8/9£592

Mon 5/1011:15 -

1 stop13h 45m

Mon 19/1011:51 -

1 stop13h 34m

Deal found 7/9£600

Sat 10/1016:40 -

2 stops49h 49m

Sat 24/1016:20 -

2 stops24h 15m

Deal found 7/9£603

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 9 September 2026.

Fri 9/1015:20 -

1 stop27h 09m

Sat 24/1016:20 -

1 stop15h 40m

Deal found 4/9£493

Tue 12/109:35 -

1 stop30h 04m

Wed 24/211:19 -

1 stop14h 36m

Deal found 7/9£513

Mon 1/219:15 -

2 stops28h 48m

Sun 14/211:47 -

2 stops16h 03m

Deal found 5/9£650

Tue 6/1010:35 -

2 stops35h 40m

Tue 13/1011:51 -

2 stops23h 09m

Deal found 5/9£765

Wed 13/107:45 -

2 stops16h 58m

Wed 24/218:00 -

2 stops17h 35m

Deal found 7/9£898

Fri 23/1010:00 -

2 stops34h 24m

Fri 30/1014:51 -

2 stops15h 59m

Deal found 8/9£493

Sun 1/1112:35 -

1 stop26h 44m

Fri 13/1110:59 -

1 stop18h 01m

Deal found 8/9£518

Fri 5/308:00 -

1 stop14h 02m

Tue 9/318:20 -

1 stop31h 20m

Deal found 4/9£500

Fri 9/1006:45 -

2 stops33h 54m

Sat 24/1012:29 -

2 stops40h 06m

Deal found 4/9£1,145

Tue 12/109:35 -

1 stop30h 04m

Tue 23/210:59 -

1 stop14h 51m

Deal found 7/9£524

Mon 5/1019:15 -

2 stops29h 18m

Mon 12/1013:43 -

2 stops18h 37m

Deal found 5/9£657

Tue 12/109:35 -

1 stop30h 04m

Thu 25/210:59 -

1 stop14h 51m

Deal found 7/9£554

Thu 5/1118:00 -

1 stop24h 52m

Tue 17/1114:50 -

1 stop13h 20m

Deal found 8/9£576

Fri 5/307:40 -

2 stops40h 39m

Tue 9/313:38 -

2 stops19h 22m

Deal found 6/9£672

Sun 1/1112:50 -

1 stop30h 02m

Fri 13/1114:51 -

1 stop12h 34m

Deal found 8/9£576

Thu 1/1014:00 -

1 stop25h 19m

Thu 22/1010:59 -

1 stop18h 01m

Deal found 8/9£592

Thu 15/1019:15 -

2 stops29h 18m

Mon 19/1013:43 -

2 stops18h 37m

Deal found 9/9£730

Wed 13/109:45 -

1 stop29h 34m

Tue 23/210:59 -

1 stop14h 51m

Deal found 7/9£604

Thu 15/1014:00 -

1 stop25h 19m

Mon 19/1010:59 -

1 stop18h 01m

Deal found 9/9£649

Sun 1/1112:35 -

1 stop26h 44m

Sun 15/1110:59 -

1 stop16h 16m

Deal found 8/9£662

Wed 21/1019:15 -

2 stops29h 18m

Wed 28/1013:43 -

2 stops15h 07m

Deal found 6/9£953

Fri 15/111:40 -

2 stops28h 59m

Wed 24/211:19 -

1 stop14h 36m

Deal found 7/9£731

Fri 23/1019:15 -

2 stops29h 18m

Fri 30/1013:43 -

2 stops15h 07m

Deal found 8/9£1,075

Fri 15/111:40 -

2 stops28h 59m

Tue 23/210:59 -

1 stop14h 51m

Deal found 7/9£744

Find flight deals from London to Key West

Round-trip from	£485
One-way from	£428
Popular in	June
Cheapest in	September
Average price	£529

4/11-13/11
2 total stops
47h 30m total
London to Key West

Search Deals

JetBlue
12/12-31/12
1 total stop
32h 04m total
London to Key West

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 12/12

09:20-12:24

1 stop32h 04m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£428

Fastest return journey

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Sat 12/12

11:40-10:19

2 stops27h 39m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£429

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 12/12

08:30-10:19

2 stops30h 49m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£450

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 9/10

15:20-13:29

1 stop27h 09m

Key West

Sat 24/10

16:20-13:00

1 stop15h 40m

£493

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 23/10

10:00-15:24

2 stops34h 24m

Key West

Fri 30/10

14:51-10:50

2 stops15h 59m

£493

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 5/3

08:00-17:02

1 stop14h 02m

Key West

Tue 9/3

18:20-06:40

1 stop31h 20m

£500

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Tue 12/1

09:35-10:39

1 stop30h 04m

Key West

Wed 24/2

11:19-06:55

1 stop14h 36m

£513

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Sun 1/11

12:35-10:19

1 stop26h 44m

Key West

Fri 13/11

10:59-10:00

1 stop18h 01m

£518

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Tue 12/1

09:35-10:39

1 stop30h 04m

Key West

Tue 23/2

10:59-06:50

1 stop14h 51m

£524

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 12/12

13:30-15:26

3 stops54h 56m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£531

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 29 resultsSorted by cheapest first

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.

LON-EYW

LHR-EYW

LGW-EYW

LCY-EYW

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

LON-EYW

LHR-EYW

LGW-EYW

LCY-EYW

What is the cheapest month to book a flight from London to Key West?

Currently, August is the cheapest month in which you can book a flight from London to Key West (average of £436). Flying from London to Key West in June is currently the most expensive (average of £863). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London to Key West?

Airfare is typical for this route at the moment.

London to Key West flights typically cost between £468 and £585 in November.
The cheapest return price found within the last 5 days was £485 on Multiple Airlines (4 Nov–13 Nov).

What’s the top stopover airport for flights from London to Key West?

Atlanta (ATL) – chosen by Cheapflights users on 65% of one-stop itineraries from London to Key West on Cheapflights.

What’s the cheapest stopover airport for flights from London to Key West?

Newark (EWR) is the most affordable one-stop option, with an average return flight price of £422.

What’s the fastest stopover option from London to Key West?

Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 12h 58m.

Which airport typically offers the quickest stopover for flights from London to Key West?

Flights via Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 39m.

Reviews of airlines servicing Key West

Check out reviews from past customers who have flown with Virgin Atlantic and British Airways 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.

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.4

Good

694 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,211 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

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. 2 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 £646, United Airlines can have you in Key West from London in 16h 58m. The distance from London to Key West is about 4560 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 £436, was found to be the cheapest airline from London to Key West. An alternate airline flying to your destination would be British Airways. These flights start at 34% 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.
What is the cheapest month to book a flight from London to Key West?
Currently, August is the cheapest month in which you can book a flight from London to Key West (average of £436). Flying from London to Key West in June is currently the most expensive (average of £863). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Florida

Flights by cabin class

Key West flight routes

Other flight options

Other flights from London

Popular flights

Top destinations

Alternative routes for London to Key West

Heathrow to Orlando flights

Heathrow to Miami flights

Gatwick to Orlando flights

Manchester to Orlando flights

Stansted to Orlando flights

Gatwick to Miami flights

London City to Orlando flights

London City to Miami flights

Stansted to Miami flights

Luton to Miami flights

Luton to Orlando flights

Heathrow to Tampa flights

Gatwick to Fort Lauderdale flights

Heathrow to Fort Lauderdale flights

Gatwick to Tampa flights

Edinburgh to Orlando flights

London City to Tampa flights

Manchester to Miami flights

Stansted to Tampa flights

Manchester to Fort Lauderdale flights

London City to Fort Lauderdale flights

Birmingham to Orlando flights

Heathrow to Fort Myers flights

Luton to Tampa flights

Newcastle upon Tyne to Orlando flights

Edinburgh to Miami flights

Birmingham to Miami flights

Southend to Miami flights

Heathrow to Jacksonville flights

Heathrow to Sarasota flights

Gatwick to Fort Myers flights

Stansted to Fort Lauderdale flights

Edinburgh to Tampa flights

Manchester to Tampa flights

Manchester to Fort Myers flights

London City to Fort Myers flights

Heathrow to Melbourne flights

Heathrow to Pensacola flights

Stansted to Fort Myers flights

Luton to Fort Lauderdale flights

Heathrow to Key West flights

Manchester to Melbourne flights

Southampton to Orlando flights

Southend to Orlando flights

Heathrow to Daytona Beach flights

Manchester to Jacksonville flights

Edinburgh to Fort Lauderdale flights

Top 2 airlines flying from London to Key West

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£436	Average£658	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£486	Average£710	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Key West from £428

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Key West

Cheapest flights from London to Key WestExplore 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 9 September 2026.

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 9 September 2026.

Best flights from London to Key WestDiscover 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 9 September 2026.

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 9 September 2026.

Last-minute flights from London to Key WestDiscover last-minute flight deals from London to Key West. Data last updated 9 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Key West. Data last updated 9 September 2026 and is based on user searches.

One-way flights from London to Key WestSearch for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

Find flight deals from London to Key West

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Key West that are best for you.

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.

Cheapflights Insights

What is the cheapest month to book a flight from London to Key West?

How much does it cost for a return flight from London to Key West?

Airfare is typical for this route at the moment.

London to Key West flights typically cost between £468 and £585 in November.The cheapest return price found within the last 5 days was £485 on Multiple Airlines (4 Nov–13 Nov).

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 65% 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.

Newark (EWR) is the most affordable one-stop option, with an average return flight price of £422.

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 Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 12h 58m.

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 Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 39m.

Reviews of airlines servicing Key West

Check out reviews from past customers who have flown with Virgin Atlantic and British Airways 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.

Related info for your journey

What airport do you fly into for flights to Key West from London?

How long is the flight from London to Key West?

What are the cheapest airlines flying from London to Key West round-trip?

What are the most popular routes from London to Key West?

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

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

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

What is the cheapest month to book a flight from London to Key West?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key West by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Florida

Book a non-stop flight to one of these other cities located in Florida.

Search flights from London to Key West by cabin class

Find flights from London to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Key West

Explore flights to Key West departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 September 2026.

London and Key West flights

Browse other London and Key West flight options. Last updated on 9 September 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 9 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Key West flights

Consider these flights travelling from London to Key West.

Top 2 airlines flying from London to Key West

Fly with Cheapflights

How does Cheapflights help users find flights from London to Key West?

Why should you use Cheapflights to find cheap flight tickets from London to Key West?

Can Cheapflights find flights from London to Key West with no change fees?

Can Cheapflights notify me if prices for flights from London to Key West become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Key West
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 9 September 2026.

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 9 September 2026.

Last-minute flights from London to Key West
Discover last-minute flight deals from London to Key West. Data last updated 9 September 2026 and is based on user searches.

One-way flights from London to Key West
Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.

London to Key West flights typically cost between £468 and £585 in November.
The cheapest return price found within the last 5 days was £485 on Multiple Airlines (4 Nov–13 Nov).