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Cheap flights from London to Key West from £441

LON — EYW
4 Dec — 11 Dec1
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

Tue 15/1206:35 -
2 stops33h 49m
Tue 22/1212:22 -
1 stop14h 33m
Deal found 31/10£616
Thu 5/1108:15 -
2 stops31h 04m
Thu 12/1110:59 -
2 stops26h 56m
Deal found 1/11£619
Thu 24/1213:35 -
1 stop27h 06m
Tue 29/1213:35 -
2 stops21h 45m
Deal found 2/11£638
Sat 28/1111:10 -
2 stops31h 45m
Sat 5/1212:05 -
2 stops17h 45m
Deal found 31/10£641
Wed 18/1110:50 -
1 stop14h 10m
Wed 25/1114:07 -
2 stops14h 48m
Deal found 3/11£652
Wed 16/1207:40 -
1 stop33h 01m
Wed 23/1212:22 -
2 stops27h 13m
Deal found 1/11£669
Wed 2/1219:05 -
2 stops29h 25m
Sun 6/1213:44 -
2 stops14h 31m
Deal found 3/11£682
Mon 30/1120:25 -
2 stops25h 45m
Mon 7/1214:06 -
1 stop13h 54m
Deal found 2/11£689
Wed 2/1208:55 -
1 stop16h 06m
Sun 6/1214:09 -
1 stop12h 41m
Deal found 3/11£691

Find flight deals from London to Key West

Round-trip from

£514

One-way from

£441

Popular in

June

Cheapest in

October

Average price

£766
United Airlines
  • United Airlines
  • 27/1-3/2
  • 4 total stops
  • 56h 28m total
  • London to Key West
Search Deals
United Airlines
  • United Airlines
  • 15/12-31/12
  • 2 total stops
  • 31h 24m total
  • London to Key West
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£44 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 November 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

Tue 15/12

09:00-11:24

2 stops31h 24m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£441

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 27/1

06:50-14:13

2 stops36h 23m

Key West

Wed 3/2

15:15-16:20

2 stops20h 05m

£514

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Tue 12/1

16:20-14:13

2 stops26h 53m

Key West

Tue 9/2

15:15-10:50

2 stops14h 35m

£543

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 20/1

13:35-12:16

1 stop27h 41m

Key West

Wed 17/2

18:20-10:50

1 stop11h 30m

£543

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Mon 25/1

09:00-14:13

2 stops34h 13m

Key West

Mon 1/2

15:15-06:40

2 stops34h 25m

£594

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 28/11

11:10-13:55

2 stops31h 45m

Key West

Sat 5/12

12:05-10:50

2 stops17h 45m

£641

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 16/12

16:20-17:11

2 stops29h 51m

Key West

Wed 23/12

12:22-20:35

2 stops27h 13m

£669
Fastest return journey

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Thu 17/12

07:40-17:11

1 stop14h 31m

Key West

Thu 24/12

16:40-10:25

1 stop12h 45m

£754

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 7/11

12:15-11:56

2 stops28h 41m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£817

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 7/11

09:20-11:56

1 stop31h 36m

Key West

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,053

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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 £441). Flying from London to Key West in June is currently the most expensive (average of £871). 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 £669 and £788 in January.
The cheapest return price found within the last 5 days was £514 on United Airlines (27 Jan–3 Feb).

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 £426.

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
697 reviews
Check prices

Entertainment

7.5

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

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
7.5
Good
697 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

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
8,282 reviews
Virgin Atlantic
7.5
Good
697 reviews
Check prices

Entertainment

7.5

Crew

8.1

Comfort

7.3

Overall

7.5

Boarding

7.7

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 £514, United Airlines can have you in Key West from London in 36h 23m. 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 £440, 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 36% 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 £441). Flying from London to Key West in June is currently the most expensive (average of £871). 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£440Average£586FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£490Average£717FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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.

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