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Cheap flights from London to Key West from £536

LON — EYW
20 Sep — 27 Sep1
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

Thu 1/1014:00 -
1 stop25h 19m
Sun 11/1010:59 -
1 stop18h 01m
Deal found 20/8£536
Wed 30/915:15 -
1 stop31h 08m
Wed 7/1014:00 -
1 stop12h 15m
Deal found 16/8£567
Mon 5/1008:15 -
2 stops15h 34m
Mon 19/1013:43 -
2 stops15h 37m
Deal found 19/8£578
Sun 20/914:45 -
2 stops31h 38m
Tue 20/1011:51 -
1 stop13h 34m
Deal found 18/8£583
Wed 30/909:55 -
1 stop14h 22m
Wed 7/1020:03 -
1 stop11h 32m
Deal found 16/8£584
Mon 5/1009:55 -
1 stop14h 38m
Mon 19/1013:43 -
1 stop17h 52m
Deal found 19/8£588
Wed 2/914:00 -
1 stop26h 25m
Fri 11/910:59 -
1 stop18h 01m
Deal found 17/8£597
Sun 20/919:20 -
2 stops28h 57m
Tue 20/1013:43 -
1 stop17h 52m
Deal found 18/8£603
Mon 23/1106:15 -
2 stops18h 12m
Thu 26/1111:29 -
1 stop14h 16m
Deal found 16/8£605
Mon 5/1010:25 -
2 stops35h 50m
Mon 19/1018:10 -
2 stops34h 15m
Deal found 19/8£622
Mon 5/1019:15 -
2 stops29h 18m
Mon 19/1013:43 -
2 stops18h 37m
Deal found 19/8£631
Sun 20/917:00 -
2 stops29h 23m
Tue 20/1018:10 -
2 stops34h 15m
Deal found 18/8£633

Find flight deals from London to Key West

Round-trip from

£536

Popular in

December

Cheapest in

September

Average price

£771
1/10-11/10
  • 1/10-11/10
  • 2 total stops
  • 43h 20m total
  • London to Key West
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in August 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

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Wed 2/9

14:00-11:25

1 stop26h 25m

Key West

Fri 11/9

10:59-10:00

1 stop18h 01m

£597
Fastest return journey

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Mon 23/11

06:15-19:27

2 stops18h 12m

Key West

Thu 26/11

11:29-06:45

1 stop14h 16m

£606

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 20/9

19:20-19:17

2 stops28h 57m

Key West

Tue 20/10

13:43-13:35

2 stops18h 52m

£621

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 11/9

07:30-13:28

2 stops34h 58m

Key West

Sat 26/9

16:00-21:20

2 stops24h 20m

£631

LondonKey West

LCY London City - EYW Key West

LCYEYW

London City

Mon 5/10

19:15-19:33

2 stops29h 18m

Key West

Mon 19/10

13:43-13:20

2 stops18h 37m

£631

LondonKey West

LCY London City - EYW Key West

LCYEYW

London City

Sun 20/9

20:45-17:23

2 stops25h 38m

Key West

Tue 20/10

18:10-17:20

2 stops18h 10m

£636

LondonKey West

LCY London City - EYW Key West

LCYEYW

London City

Wed 30/9

19:15-19:17

2 stops29h 02m

Key West

Wed 7/10

13:43-13:10

2 stops18h 27m

£649

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Thu 1/10

14:00-14:18

2 stops29h 18m

Key West

Sun 11/10

10:59-10:00

1 stop18h 01m

£663

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Thu 17/9

17:00-17:23

2 stops29h 23m

Key West

Sun 20/9

18:19-09:40

2 stops34h 21m

£708

LondonKey West

LGW London Gatwick - EYW Key West

LGWEYW

London Gatwick

Thu 1/10

10:25-17:23

2 stops35h 58m

Key West

Sun 11/10

18:10-09:25

2 stops58h 15m

£720

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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 £434). Flying from London to Key West in October is currently the most expensive (average of £807). 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 £585 and £756 in October.
The cheapest return price found within the last 5 days was £536 on Multiple Airlines (1 Oct–11 Oct).

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

Atlanta (ATL) – chosen by Cheapflights users on 59% 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 £419.

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
695 reviews
Check prices

Food

6.9

Overall

7.4

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

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
695 reviews
Virgin Atlantic
7.4
Good
695 reviews
Check prices

Food

6.9

Overall

7.4

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

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
8,181 reviews
Virgin Atlantic
7.4
Good
695 reviews
Check prices

Food

6.9

Overall

7.4

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

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 £606, British Airways can have you in Key West from London in 18h 12m. 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 £464, 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 29% 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 Gatwick - Key West or London City - 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 £434). Flying from London to Key West in October is currently the most expensive (average of £807). 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£464Average£692FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£483Average£655FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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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