What is the cheapest airline that flies from United Kingdom to Key West?

British Airways and United Airlines are the most popular carriers operating from United Kingdom to Key West

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 Manchester (a popular airport in United Kingdom) to Key West (the most popular airport in Key West), then the flight time is 17h 12m on average. If you fly from London (another popular airport in United Kingdom) to Key West, then the average flight time is 25h 01m.

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

Prices for flights from United Kingdom to Key West Airport are updated daily.

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

As of September 2026, there are 2 operators available to choose from for flights from United Kingdom to Key West Airport.

How old do you have to be to fly from United Kingdom 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 from United Kingdom to Key West Airport.

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

The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£393 Cheap Flights from the United Kingdom to Key West in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Key West

Return

One-way

Last minute

Recent return flight deals from the United Kingdom to Key West

Enter your travel dates to find the best prices.

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

24h 29m1 stop Newark

16:00 - 13:00EYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

£493United Airlines

Fri, 9 Oct - Sat, 24 Oct

07:45 - 13:29LHR London Heathrow-EYW Key West

34h 44m1 stop Newark

16:00 - 11:25EYW Key West-LHR London Heathrow

38h 25m2 stops Chicago O'Hare Intl Newark

£493United Airlines

Fri, 9 Oct - Sat, 24 Oct

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

24h 29m1 stop Newark

16:00 - 13:00EYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

£495United Airlines

Fri, 9 Oct - Sat, 24 Oct

16:00 - 13:29LHR London Heathrow-EYW Key West

26h 29m1 stop Newark

16:00 - 09:25EYW Key West-LHR London Heathrow

36h 25m2 stops Chicago O'Hare Intl Newark

£495United Airlines

Fri, 9 Oct - Sat, 24 Oct

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

13h 16m1 stop Atlanta Hartsfield-Jackson

18:06 - 07:50EYW Key West-LHR London Heathrow

56h 44m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

£635Virgin Atlantic

Tue, 8 Dec - Wed, 9 Dec

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

12h 18m1 stop Miami

13:43 - 06:55EYW Key West-LHR London Heathrow

12h 12m1 stop Miami

£644British Airways

Wed, 14 Oct - Wed, 21 Oct

17:35 - 17:15LHR London Heathrow-EYW Key West

28h 40m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

18:10 - 06:25EYW Key West-LHR London Heathrow

31h 15m1 stop Atlanta Hartsfield-Jackson

£647Virgin Atlantic

Sun, 11 Oct - Sun, 18 Oct

18:50 - 19:17EDI Edinburgh Turnhouse-EYW Key West

29h 27m2 stops London Heathrow Miami

13:43 - 12:25EYW Key West-EDI Edinburgh Turnhouse

17h 42m2 stops Miami London Heathrow

£647British Airways

Mon, 28 Sep - Mon, 5 Oct

19:45 - 17:15LHR London Heathrow-EYW Key West

26h 30m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

18:10 - 05:20EYW Key West-LHR London Heathrow

30h 10m2 stops Atlanta Hartsfield-Jackson Orlando

£656Virgin Atlantic

Sun, 11 Oct - Sun, 18 Oct

09:55 - 19:33LHR London Heathrow-EYW Key West

14h 38m1 stop Miami

20:03 - 12:35EYW Key West-LHR London Heathrow

11h 32m1 stop Miami

£668British Airways

Tue, 13 Oct - Tue, 20 Oct

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United Airlines flights from United Kingdom to Key West

Our best United Airlines deals on United Kingdom to Key West flight tickets

United Airlines

9 Oct

LHR18:00London Heathrow

24h 29m

1 stop

EYW13:29Key West

24 Oct

EYW16:00Key West

16h 00m

1 stop

LHR13:00London Heathrow

£493

United Airlines

9 Oct

LHR16:00London Heathrow

26h 29m

1 stop

EYW13:29Key West

24 Oct

EYW16:00Key West

36h 25m

2 stops

LHR09:25London Heathrow

£495

United Airlines

9 Oct

LHR16:00London Heathrow

26h 29m

1 stop

EYW13:29Key West

24 Oct

EYW16:00Key West

36h 25m

2 stops

LHR09:25London Heathrow

£551

Finnair flights from United Kingdom to Key West

Our best Finnair deals on United Kingdom to Key West flight tickets

Finnair

23 Sept

MAN09:20Manchester

29h 31m

2 stops

EYW09:51Key West

28 Sept

EYW13:47Key West

20h 23m

2 stops

MAN15:10Manchester

£705

Finnair

23 Sept

MAN09:20Manchester

29h 31m

2 stops

EYW09:51Key West

28 Sept

EYW13:47Key West

20h 23m

2 stops

MAN15:10Manchester

£712

Finnair

23 Sept

MAN07:05Manchester

32h 52m

2 stops

EYW10:57Key West

28 Sept

EYW13:47Key West

20h 23m

2 stops

MAN15:10Manchester

£720

momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom 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

Fri 9/10

18:00-13:29

1 stop24h 29m

Key West

Sat 24/10

16:00-13:00

1 stop16h 00m

£493

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 9/10

07:45-13:29

1 stop34h 44m

Key West

Sat 24/10

16:00-11:25

2 stops38h 25m

£493

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 9/10

18:00-13:29

1 stop24h 29m

Key West

Sat 24/10

16:00-13:00

1 stop16h 00m

£495

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 9/10

16:00-13:29

1 stop26h 29m

Key West

Sat 24/10

16:00-09:25

2 stops36h 25m

£495

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Tue 8/12

08:55-17:11

1 stop13h 16m

Key West

Wed 9/12

18:06-07:50

2 stops56h 44m

£635

Fastest return journey

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Wed 14/10

12:15-19:33

1 stop12h 18m

Key West

Wed 21/10

13:43-06:55

1 stop12h 12m

£644

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 11/10

17:35-17:15

2 stops28h 40m

Key West

Sun 18/10

18:10-06:25

1 stop31h 15m

£647

EdinburghKey West

EDI Edinburgh Turnhouse - EYW Key West

EDIEYW

Edinburgh Turnhouse

Mon 28/9

18:50-19:17

2 stops29h 27m

Key West

Mon 5/10

13:43-12:25

2 stops17h 42m

£647

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sun 11/10

19:45-17:15

2 stops26h 30m

Key West

Sun 18/10

18:10-05:20

2 stops30h 10m

£656

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Tue 13/10

09:55-19:33

1 stop14h 38m

Key West

Tue 20/10

20:03-12:35

1 stop11h 32m

£668

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £547.

Can stopping save me money on United Kingdom to Key West flights?

You could potentially save up to 42% on your flight if you consider stops on a United Kingdom to Key West flight.

Cheap United Kingdom to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Key West

Best price found	£393
Fastest flight time	13h 16m
Direct flights	None

The best one-way flight to Key West from United Kingdom in the past 72 hours is £393. The best return flight deal from United Kingdom to Key West found on momondo in the last 72 hours is £493.

The fastest flight from United Kingdom to Key West takes 13h 16m

There are no direct flights from United Kingdom to Key West. There are no popular flight routes from United Kingdom to Key West.

Search flight deals

Frequently asked questions about flying from the United Kingdom to Key West

When did momondo last update prices for flights from United Kingdom to Key West Airport?
Prices for flights from United Kingdom to Key West Airport are updated daily.
How many operators does momondo search for flights from United Kingdom to Key West Airport?
As of September 2026, there are 2 operators available to choose from for flights from United Kingdom to Key West Airport.
How old do you have to be to fly from United Kingdom 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 from United Kingdom to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United Kingdom to Key West

Compare and see reviews for airlines that fly from United Kingdom to Key West with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £436	Free Cancellation	Rating 7.4 695 reviews		Search Virgin Atlantic flights
British Airways	PriceFrom £485	Free Cancellation	Rating 6.7 8,198 reviews		Search British Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom 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 from United Kingdom.

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

Flights from United Kingdom to Key West with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United Kingdom 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 from United Kingdom to Key West.

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

If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from United Kingdom and alert you when they change.