Which airlines fly to Key West?

There may be other airlines that fly to Key West from United Kingdom, but the most popular among our users are Virgin Atlantic and British Airways. These airlines should offer flights to Key West on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

Virgin Atlantic Flights to Key West

Virgin Atlantic is a popular choice for users travelling to Key West. It operates 14 flights every week to Key West, most often flying from Atlanta Hartsfield-Jackson. Virgin Atlantic ticket prices will depend on when and where you need to fly from - deals as low as £438 (from London Heathrow) have been found by momondo users. In 694 reviews, momondo users have rated Virgin Atlantic at an average score of 7.4/10.

British Airways Flights to Key West

British Airways (6.7/10, 8,222 reviews) is also a popular choice for flights to Key West, with deals from as low as £487 from London Heathrow, round-trip. With 7 British Airways flights to Key West on average each week, prices can vary significantly by origin and availability.

How long does it take to fly to Key West?

The flight from United Kingdom to Key West depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London Heathrow (a popular airport in United Kingdom) to Key West (the most popular airport in Key West), then the flight time is 13h 03m on average. If you fly from Manchester (another popular airport in United Kingdom) to Key West, then the average flight time is 17h 12m.

£386 Cheap Flights to Key West in 2026/27

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Find the cheapest flights from the United Kingdom to Key West

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:05 - 13:54LHR London Heathrow-EYW Key West

29h 49m2 stops Zurich Newark

14:50 - 09:10EYW Key West-LHR London Heathrow

13h 20m1 stop Newark

£466United Airlines

Tue, 27 Oct - Tue, 3 Nov

12:05 - 13:56LHR London Heathrow-EYW Key West

30h 51m2 stops Zurich Newark

14:50 - 21:20EYW Key West-LHR London Heathrow

25h 30m1 stop Newark

£467United Airlines

Sat, 14 Nov - Sat, 21 Nov

09:00 - 13:56LHR London Heathrow-EYW Key West

33h 56m2 stops Zurich Newark

14:50 - 05:55EYW Key West-LHR London Heathrow

34h 05m2 stops Newark Chicago O'Hare Intl

£467United Airlines

Sat, 14 Nov - Sat, 21 Nov

12:05 - 13:54LHR London Heathrow-EYW Key West

29h 49m2 stops Zurich Newark

14:50 - 12:50EYW Key West-LHR London Heathrow

17h 00m2 stops Newark Frankfurt am Main

£470United Airlines

Tue, 27 Oct - Tue, 3 Nov

12:15 - 19:33LHR London Heathrow-EYW Key West

12h 18m1 stop Miami

13:43 - 09:00EYW Key West-LHR London Heathrow

14h 17m1 stop Miami

£600British Airways

Wed, 7 Oct - Wed, 21 Oct

12:15 - 19:33LHR London Heathrow-EYW Key West

12h 18m1 stop Miami

13:43 - 11:40EYW Key West-LHR London Heathrow

16h 57m2 stops Miami Barcelona-El Prat

£610British Airways

Wed, 7 Oct - Wed, 21 Oct

08:20 - 20:01LHR London Heathrow-EYW Key West

16h 41m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

18:10 - 07:55EYW Key West-LHR London Heathrow

32h 45m2 stops Atlanta Hartsfield-Jackson Orlando

£619Virgin Atlantic

Wed, 7 Oct - Wed, 21 Oct

17:00 - 19:24LHR London Heathrow-EYW Key West

31h 24m2 stops Madrid Barajas Miami

11:47 - 08:15EYW Key West-LHR London Heathrow

15h 28m1 stop Miami

£627British Airways

Fri, 12 Feb - Mon, 15 Feb

08:55 - 17:11LHR London Heathrow-EYW Key West

13h 16m1 stop Atlanta Hartsfield-Jackson

07:00 - 09:00EYW Key West-LHR London Heathrow

21h 00m1 stop Atlanta Hartsfield-Jackson

£643Virgin Atlantic

Fri, 12 Feb - Mon, 15 Feb

16:25 - 17:11LHR London Heathrow-EYW Key West

29h 46m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

18:00 - 06:25EYW Key West-LHR London Heathrow

31h 25m1 stop Atlanta Hartsfield-Jackson

£643Virgin Atlantic

Sat, 20 Feb - Sun, 28 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:40 - 13:29LHR London Heathrow-EYW Key West

53h 49m2 stops Halifax Intl Newark

14:15 - 10:40EYW Key West-LHR London Heathrow

39h 25m2 stops Newark Washington, D.C. Dulles Intl

£696United Airlines

Mon, 21 Sep - Wed, 14 Oct

06:25 - 19:17LHR London Heathrow-EYW Key West

17h 52m2 stops Barcelona-El Prat Miami

13:43 - 09:00EYW Key West-LHR London Heathrow

14h 17m1 stop Miami

£836British Airways

Mon, 21 Sep - Wed, 14 Oct

11:15 - 20:00LHR London Heathrow-EYW Key West

13h 45m1 stop Atlanta Hartsfield-Jackson

11:51 - 13:15EYW Key West-LHR London Heathrow

20h 24m1 stop Atlanta Hartsfield-Jackson

£870Delta

Mon, 21 Sep - Wed, 14 Oct

12:10 - 13:29LHR London Heathrow-EYW Key West

30h 19m2 stops Zurich Newark

14:50 - 05:55EYW Key West-LHR London Heathrow

35h 05m2 stops Newark Chicago O'Hare Intl

£882United Airlines

Mon, 21 Sep - Sat, 31 Oct

12:10 - 13:29LHR London Heathrow-EYW Key West

30h 19m2 stops Zurich Newark

14:50 - 05:55EYW Key West-LHR London Heathrow

35h 05m2 stops Newark Chicago O'Hare Intl

£884United Airlines

Thu, 17 Sep - Sat, 31 Oct

18:00 - 13:29LHR London Heathrow-EYW Key West

24h 29m1 stop Newark

14:50 - 12:00EYW Key West-LHR London Heathrow

17h 10m2 stops Newark Chicago O'Hare Intl

£991United Airlines

Thu, 17 Sep - Sat, 31 Oct

18:00 - 13:29LHR London Heathrow-EYW Key West

24h 29m1 stop Newark

14:50 - 10:25EYW Key West-LHR London Heathrow

15h 35m1 stop Newark

£999United Airlines

Thu, 17 Sep - Sat, 31 Oct

18:00 - 13:29LHR London Heathrow-EYW Key West

24h 29m1 stop Newark

14:50 - 12:00EYW Key West-LHR London Heathrow

17h 10m2 stops Newark Chicago O'Hare Intl

£1,000United Airlines

Mon, 21 Sep - Sat, 31 Oct

13:25 - 17:23LHR London Heathrow-EYW Key West

32h 58m1 stop Atlanta Hartsfield-Jackson

16:00 - 07:50EYW Key West-LHR London Heathrow

11h 50m1 stop Atlanta Hartsfield-Jackson

£1,036Virgin Atlantic

Mon, 21 Sep - Sat, 31 Oct

09:20 - 20:00LCY London City-EYW Key West

39h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

16:00 - 17:20EYW Key West-LCY London City

21h 20m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£1,469KLM

Mon, 21 Sep - Sat, 31 Oct

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Tue 27/10

12:05-13:54

2 stops29h 49m

Key West

Tue 3/11

14:50-09:10

1 stop13h 20m

£466

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 14/11

12:05-13:56

2 stops30h 51m

Key West

Sat 21/11

14:50-21:20

1 stop25h 30m

£467

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 14/11

09:00-13:56

2 stops33h 56m

Key West

Sat 21/11

14:50-05:55

2 stops34h 05m

£467

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Tue 27/10

12:05-13:54

2 stops29h 49m

Key West

Tue 3/11

14:50-12:50

2 stops17h 00m

£470

Fastest return journey

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 7/10

12:15-19:33

1 stop12h 18m

Key West

Wed 21/10

13:43-09:00

1 stop14h 17m

£600

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 7/10

12:15-19:33

1 stop12h 18m

Key West

Wed 21/10

13:43-11:40

2 stops16h 57m

£610

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 7/10

08:20-20:01

2 stops16h 41m

Key West

Wed 21/10

18:10-07:55

2 stops32h 45m

£619

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 12/2

17:00-19:24

2 stops31h 24m

Key West

Mon 15/2

11:47-08:15

1 stop15h 28m

£627

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 12/2

08:55-17:11

1 stop13h 16m

Key West

Mon 15/2

07:00-09:00

1 stop21h 00m

£643

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 20/2

16:25-17:11

2 stops29h 46m

Key West

Sun 28/2

18:00-06:25

1 stop31h 25m

£643

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Key West flights insights and trends

Explore insights for your Key West flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Key West?

If you aren’t able to travel to Key West during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £562.

Cheapest flights to Key West

Find the cheapest flights to Key West from your nearest city or airport

Find flights from London Heathrow Airport to Key West

CHEAPEST MONTH TO FLY TO KEY WEST FROM LONDON HEATHROW AIRPORT	August	27% cheaper	Flying from London Heathrow Airport to Key West costs on average just £413 in August
MOST EXPENSIVE MONTH TO FLY TO KEY WEST FROM LONDON HEATHROW AIRPORT	October	58% more expensive	It costs about £895 for flights to Key West from London Heathrow Airport in October
MOST POPULAR MONTH TO FLY TO KEY WEST FROM LONDON HEATHROW AIRPORT	October	1,066% more users visited	More momondo users searched in flights to Key West from London Heathrow Airport in October than any other month

Cheap Key West flight deals and tips

Summary info about Key West flight prices, duration and airlines

Best One-Way Price	£386
Best Round-Trip Price	£466
Fastest flight time	18h 27m

The best one-way flight price to Key West from United Kingdom in the last 5 days is £386 (London Gatwick to Key West).

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The best return flight price to Key West from United Kingdom in the last 5 days is £466 (London Heathrow to Key West).

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The fastest flight to Key West from United Kingdom takes 18h 27m (Edinburgh Turnhouse to Key West).

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Frequently asked questions about flying to Key West

What is there to do in Key West when it’s raining?

Users planning a flight to Key West during the months of August or September should anticipate rain. There are still things to do in Key West even when it's raining, though. Many tourists kill time during rain and storms by going to shopping centres in the area, like Duval Street.

When did momondo last update prices for flights to Key West Airport?

Prices for flights to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Key West Airport?

As of September 2026, there are 3 operators available to choose from for flights to Key West Airport.

How old do you have to be to fly to Key West Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West.

Can I find flights to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Key West.

I’m not ready to book a flight to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Key West and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular Flights to Key West

London to Key West Flightsfrom £630

Manchester to Key West Flightsfrom £950

Edinburgh Turnhouse to Key West Flightsfrom £986

Glasgow to Key West Flightsfrom £867

Norwich Arpt to Key West Flightsfrom £1,120

£386 Cheap flights to Key West

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Key West departing on 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Key West flights insights and trends

What is the cheapest month to fly to Key West?

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Cheapest flights to Key West

Find the cheapest flights to Key West from your nearest city or airport

Cheap Key West flight deals and tips

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Frequently asked questions about flying to Key West

Travelling to a place near Key West?

Why use momondo?

An easier way to manage your Key West trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Key West

Popular Flights to Key West

Popular routes according to searches in the past day on momondo

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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