How long is the flight from London to Key West?

For as low as £507, United Airlines can have you in Key West from London in 35h 22m. The distance from London to Key West is about 4539 mi.

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. An alternate airline flying to your destination would be British Airways. These flights start at 35% 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.

£507+ 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 30 October 2026.

Thu 26/1107:30 -

2 stops35h 22m

Thu 10/1212:05 -

1 stop12h 50m

Deal found 26/10£507

Mon 14/1213:30 -

2 stops26h 54m

Mon 21/1216:04 -

1 stop14h 56m

Deal found 30/10£591

Thu 10/1207:30 -

2 stops32h 54m

Thu 17/1215:50 -

1 stop24h 30m

Deal found 26/10£765

Mon 9/1120:10 -

2 stops26h 00m

Mon 16/1111:43 -

2 stops17h 12m

Deal found 27/10£879

Sat 31/1008:15 -

2 stops31h 04m

Mon 30/1115:06 -

1 stop14h 34m

Deal found 28/10£893

Sat 31/1018:00 -

1 stop24h 54m

Mon 30/1114:50 -

1 stop24h 45m

Deal found 28/10£935

Find flight deals from London to Key West

Round-trip from	£505
Popular in	June
Cheapest in	October
Average price	£561

United Airlines
14/12-21/12
4 total stops
72h 24m total
London to Key West

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£50 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

Thu 26/11

07:30-13:52

2 stops35h 22m

Key West

Thu 10/12

12:05-05:55

1 stop12h 50m

£507

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 15/11

21:35-12:36

2 stops44h 01m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£525

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Mon 14/12

13:30-11:24

2 stops26h 54m

Key West

Mon 21/12

17:52-10:15

2 stops35h 23m

£591

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Thu 10/12

07:30-11:24

2 stops32h 54m

Key West

Thu 17/12

15:50-21:20

1 stop24h 30m

£765

Fastest return journey

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 15/11

09:20-11:56

1 stop31h 36m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£839

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Mon 9/11

15:50-17:10

2 stops30h 20m

Key West

Mon 16/11

14:07-06:25

1 stop11h 18m

£884

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Mon 9/11

06:40-10:48

3 stops33h 08m

Key West

Mon 16/11

14:07-16:00

2 stops20h 53m

£1,052

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Thu 17/12

16:30-11:51

1 stop24h 21m

Key West

Sat 2/1

17:31-10:00

1 stop35h 29m

£1,182

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Sorted 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

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

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 £443). Flying from London to Key West in June is currently the most expensive (average of £875). 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 below average for this route at the moment.

London to Key West flights typically cost between £672 and £792 in December.
The cheapest return price found within the last 5 days was £505 on United Airlines (14 Dec–21 Dec).

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

Atlanta (ATL) – chosen by Cheapflights users on 66% 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 £428.

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

7.5

Good

699 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

7.5

Good

699 reviews

Virgin Atlantic

7.5

Good

699 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

8,275 reviews

Virgin Atlantic

7.5

Good

699 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 £507, United Airlines can have you in Key West from London in 35h 22m. The distance from London to Key West is about 4539 mi.
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. An alternate airline flying to your destination would be British Airways. These flights start at 35% 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 £443). Flying from London to Key West in June is currently the most expensive (average of £875). 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

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Top 2 airlines flying from London to Key West

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£443	Average£597	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£493	Average£721	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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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Cheap flights from London to Key West from £507

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. 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 30 October 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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from London to Key WestDiscover last-minute flight deals from London to Key West. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Key West. Data last updated 30 October 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 30 October 2026.

Search for one-way flight options from London to Key West. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from London to Key West

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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 below average for this route at the moment.

London to Key West flights typically cost between £672 and £792 in December.The cheapest return price found within the last 5 days was £505 on United Airlines (14 Dec–21 Dec).

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 66% 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 £428.

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

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Alternative routes for London to Key West

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Complete your trip

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Search flights from London to Key West by cabin class

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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 30 October 2026.

London and Key West flights

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Top 2 airlines flying from London to Key West

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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 30 October 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 30 October 2026.

Last-minute flights from London to Key West
Discover last-minute flight deals from London to Key West. Data last updated 30 October 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 30 October 2026.

London to Key West flights typically cost between £672 and £792 in December.
The cheapest return price found within the last 5 days was £505 on United Airlines (14 Dec–21 Dec).