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Cheap flights from London to Key West from £392

LON — EYW
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Key West

Enter your travel dates to find the best prices.

Cheapest flights from London to Key West

Fri 6/1112:05 -
2 stops30h 47m
Fri 13/1114:51 -
1 stop24h 44m
Deal found 22/9£468
Thu 5/1106:50 -
2 stops36h 02m
Thu 12/1114:50 -
1 stop13h 20m
Deal found 21/9£476
Sat 10/1016:40 -
2 stops49h 49m
Sat 24/1016:20 -
2 stops24h 15m
Deal found 23/9£498
Fri 6/1118:00 -
1 stop24h 52m
Fri 13/1114:51 -
1 stop13h 19m
Deal found 22/9£563
Fri 9/1016:40 -
2 stops25h 49m
Sat 24/1016:20 -
2 stops24h 15m
Deal found 23/9£580
Fri 20/1109:10 -
1 stop33h 44m
Thu 26/1111:25 -
2 stops42h 25m
Deal found 20/9£581
Tue 20/1015:30 -
2 stops50h 59m
Tue 27/1014:50 -
2 stops21h 30m
Deal found 20/9£599
Wed 7/1008:15 -
2 stops15h 34m
Wed 25/1106:30 -
2 stops21h 50m
Deal found 23/9£601

Find flight deals from London to Key West

Round-trip from

£468

One-way from

£392

Popular in

June

Cheapest in

October

Average price

£571
United Airlines
  • United Airlines
  • 6/11-13/11
  • 3 total stops
  • 55h 31m total
  • London to Key West
Search Deals
United Airlines
  • United Airlines
  • 1/11-31/12
  • 2 total stops
  • 57h 24m total
  • London to Key West
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 1/11

11:05-15:29

2 stops57h 24m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£392

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 1/11

20:05-12:36

3 stops45h 31m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£497

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 5/3

10:25-11:11

1 stop29h 46m

Key West

Tue 9/3

17:56-09:10

1 stop34h 14m

£505

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 9/10

16:40-13:29

2 stops25h 49m

Key West

Sat 24/10

16:20-06:55

1 stop33h 35m

£580

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 19/3

06:05-19:19

2 stops17h 14m

Key West

Tue 30/3

19:54-12:35

1 stop11h 41m

£644
Fastest return journey

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 6/11

06:05-19:02

2 stops17h 57m

Key West

Fri 13/11

16:44-08:15

1 stop10h 31m

£657

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 6/3

06:05-23:56

2 stops22h 51m

Key West

Sat 13/3

13:38-11:30

1 stop16h 52m

£672

Flights are sorted by cheapest return flights first.

Deals found on 21/9

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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London to Key West

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 £445). Flying from London to Key West in June is currently the most expensive (average of £879). 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 £535 and £614 in November.
The cheapest return price found within the last 5 days was £468 on United Airlines (6 Nov–13 Nov).

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

Atlanta (ATL) – chosen by Cheapflights users on 67% 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 £430.

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

Overall

7.4

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.9

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

Overall

7.4

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.9

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
8,227 reviews
Virgin Atlantic
7.4
Good
694 reviews
Check prices

Overall

7.4

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.9

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 £468, United Airlines can have you in Key West from London in 30h 47m. 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 £445, 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 £445). Flying from London to Key West in June is currently the most expensive (average of £879). 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

Top 2 airlines flying from London to Key West

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£445Average£671FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£495Average£724FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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