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

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

Which airlines fly to Key West?

Virgin Atlantic, British Airways and American Airlines are the top three most popular airlines that fly to Key West from United Kingdom according to our data. Virgin Atlantic is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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 (a popular airport in United Kingdom) to Key West (the most popular airport in Key West), then the flight time is 18h 32m on average. If you fly from Edinburgh (another popular airport in United Kingdom) to Key West, then the average flight time is 19h 03m.

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 November 2025, there are 4 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.

£207 Cheap Flights from the United Kingdom to Key West in 2025/26

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Find the cheapest flights from the United Kingdom to Key West

Round-trip

One-way

Recent return flight deals from the United Kingdom to Key West

Enter your travel dates to find the best prices.

10:55 - 19:44LHR-EYW

13h 49m1 stop

18:00 - 13:30EYW-LHR

14h 30m1 stop

£487Virgin Atlantic

Find Deal

Wed, 8 Apr - Mon, 13 Apr

10:55 - 19:44LHR-EYW

13h 49m1 stop

18:00 - 11:10EYW-LHR

12h 10m1 stop

£489Virgin Atlantic

Find Deal

Tue, 7 Apr - Mon, 13 Apr

11:20 - 13:00LGW-EYW

29h 40m2 stops

20:01 - 07:30EYW-LGW

31h 29m2 stops

£495American Airlines

Find Deal

Thu, 12 Mar - Mon, 16 Mar

11:20 - 13:00LGW-EYW

29h 40m2 stops

13:59 - 07:30EYW-LGW

13h 31m2 stops

£496American Airlines

Find Deal

Thu, 12 Mar - Mon, 16 Mar

13:05 - 17:13LHR-EYW

33h 08m1 stop

14:35 - 11:10EYW-LHR

15h 35m1 stop

£523KLM

Find Deal

Wed, 8 Apr - Mon, 13 Apr

15:15 - 19:44LHR-EYW

33h 29m1 stop

18:00 - 13:30EYW-LHR

14h 30m1 stop

£524KLM

Find Deal

Wed, 8 Apr - Mon, 13 Apr

12:55 - 11:03LHR-EYW

27h 08m2 stops

07:00 - 13:30EYW-LHR

25h 30m1 stop

£545Delta

Find Deal

Wed, 8 Apr - Mon, 13 Apr

12:55 - 11:03LHR-EYW

27h 08m2 stops

07:00 - 06:30EYW-LHR

18h 30m1 stop

£546Delta

Find Deal

Wed, 8 Apr - Mon, 13 Apr

10:10 - 10:53EDI-EYW

29h 43m2 stops

19:34 - 19:00EYW-EDI

18h 26m2 stops

£620British Airways

Find Deal

Sat, 11 Apr - Sat, 25 Apr

19:15 - 19:23LCY-EYW

29h 08m2 stops

20:05 - 14:05EYW-LCY

37h 00m2 stops

£701British Airways

Find Deal

Mon, 1 Dec - Mon, 8 Dec

Virgin Atlantic flights from United Kingdom to Key West

Our best Virgin Atlantic deals on United Kingdom to Key West flight tickets

Virgin Atlantic

8 Apr

LHR09:20London Heathrow

15h 24m

1 stop

EYW19:44Key West

13 Apr

EYW18:00Key West

12h 10m

1 stop

LHR11:10London Heathrow

£486

Find similar

Virgin Atlantic

8 Apr

LHR09:40London Heathrow

15h 04m

2 stops

EYW19:44Key West

13 Apr

EYW14:35Key West

15h 35m

1 stop

LHR11:10London Heathrow

£508

Find similar

Virgin Atlantic

28 Mar

LHR15:50London Heathrow

31h 54m

1 stop

EYW19:44Key West

1 Apr

EYW18:00Key West

21h 00m

2 stops

LHR20:00London Heathrow

£598

Find similar

KLM flights from United Kingdom to Key West

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

KLM

8 Apr

LHR13:05London Heathrow

33h 08m

1 stop

EYW17:13Key West

13 Apr

EYW14:35Key West

15h 35m

1 stop

LHR11:10London Heathrow

£523

Find similar

KLM

8 Apr

LHR15:15London Heathrow

33h 29m

1 stop

EYW19:44Key West

13 Apr

EYW18:00Key West

14h 30m

1 stop

LHR13:30London Heathrow

£524

Find similar

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

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

10:55-19:44

1 stop13h 49m

Key West

Mon 13/4

18:00-13:30

1 stop14h 30m

£487

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 7/4

10:55-19:44

1 stop13h 49m

Key West

Mon 13/4

18:00-11:10

1 stop12h 10m

£489

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 12/3

11:20-13:00

2 stops29h 40m

Key West

Mon 16/3

20:01-07:30

2 stops31h 29m

£495

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 12/3

11:20-13:00

2 stops29h 40m

Key West

Mon 16/3

13:59-07:30

2 stops13h 31m

£496

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

13:05-17:13

1 stop33h 08m

Key West

Mon 13/4

14:35-11:10

1 stop15h 35m

£523

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

15:15-19:44

1 stop33h 29m

Key West

Mon 13/4

18:00-13:30

1 stop14h 30m

£524

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

12:55-11:03

2 stops27h 08m

Key West

Mon 13/4

07:00-13:30

1 stop25h 30m

£545

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

12:55-11:03

2 stops27h 08m

Key West

Mon 13/4

07:00-06:30

1 stop18h 30m

£546

EdinburghKey West

EDI - EYW

EDIEYW

Edinburgh Turnhouse

Sat 11/4

10:10-10:53

2 stops29h 43m

Key West

Sat 25/4

19:34-19:00

2 stops18h 26m

£620

LondonKey West

LCY - EYW

LCYEYW

London City

Mon 1/12

19:15-19:23

2 stops29h 08m

Key West

Mon 8/12

20:05-14:05

2 stops37h 00m

£701

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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £529.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from United Kingdom is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £533. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Key West on Thursday is £665.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from United Kingdom to Key West in the morning for as low as £585. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around £833. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 38% 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

Direct flights	None

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

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 November 2025, there are 4 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
British Airways	PriceFrom £460	Free Cancellation	Rating 6.7 7,521 reviews	Search British Airways flights
Finnair	PriceFrom £464	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom £500	Free Cancellation	Rating 7.5 673 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom £527	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines 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.