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 London according to our data. Virgin Atlantic is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from London to Key West Airport is 3 as of October 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Key West Airport.

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

The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£418 Cheap Flights from London to Key West in 2025/26

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Find the cheapest flights from London to Key West

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One-way

Cheap return flights

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14:00 - 12:26LGW-EYW

27h 26m1 stop

09:46 - 10:00EYW-LGW

19h 14m1 stop

£469Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 22 Jan

08:55 - 19:42LHR-EYW

15h 47m1 stop

14:45 - 07:50EYW-LHR

12h 05m1 stop

£494Virgin Atlantic

Find Deal

Thu, 8 Jan - Thu, 22 Jan

11:20 - 10:59LGW-EYW

27h 39m2 stops

17:24 - 07:30EYW-LGW

34h 06m2 stops

£496American Airlines

Find Deal

Thu, 12 Mar - Mon, 16 Mar

14:00 - 13:30LGW-EYW

28h 30m2 stops

09:46 - 10:00EYW-LGW

19h 14m1 stop

£497Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 22 Jan

13:30 - 16:22LHR-EYW

31h 52m2 stops

18:05 - 21:20EYW-LHR

22h 15m2 stops

£511United Airlines

Find Deal

Thu, 8 Jan - Thu, 22 Jan

11:25 - 23:56LHR-EYW

17h 31m2 stops

13:33 - 11:30EYW-LHR

16h 57m1 stop

£536British Airways

Find Deal

Thu, 29 Jan - Sun, 1 Feb

09:45 - 23:56LHR-EYW

19h 11m1 stop

13:33 - 11:30EYW-LHR

16h 57m1 stop

£564British Airways

Find Deal

Thu, 29 Jan - Sun, 1 Feb

09:15 - 16:40LHR-EYW

12h 25m1 stop

17:22 - 06:55EYW-LHR

32h 33m1 stop

£630Finnair

Find Deal

Wed, 8 Apr - Mon, 13 Apr

08:30 - 22:11LHR-EYW

18h 41m2 stops

16:05 - 11:45EYW-LHR

14h 40m1 stop

£678United Airlines

Find Deal

Wed, 8 Apr - Mon, 13 Apr

11:20 - 23:59LHR-EYW

16h 39m2 stops

13:59 - 06:55EYW-LHR

11h 56m1 stop

£841American Airlines

Find Deal

Sat, 28 Mar - Wed, 1 Apr

British Airways flights from London to Key West

Our best British Airways deals on London to Key West flight tickets

British Airways

29 Jan

LHR11:25London Heathrow

17h 31m

2 stops

EYW23:56Key West

1 Feb

EYW13:33Key West

16h 57m

1 stop

LHR11:30London Heathrow

£536

Find similar

British Airways

29 Jan

LHR09:45London Heathrow

19h 11m

1 stop

EYW23:56Key West

1 Feb

EYW13:33Key West

16h 57m

1 stop

LHR11:30London Heathrow

£564

Find similar

British Airways

29 Jan

LCY07:50London City

21h 06m

2 stops

EYW23:56Key West

1 Feb

EYW13:33Key West

14h 17m

2 stops

LCY08:50London City

£582

Find similar

Delta flights from London to Key West

Our best Delta deals on London to Key West flight tickets

Delta

12 Nov

LHR06:30London Heathrow

18h 23m

2 stops

EYW19:53Key West

20 Nov

EYW07:40Key West

18h 25m

2 stops

LHR07:05London Heathrow

£511

Find similar

Delta

13 Nov

LCY08:40London City

58h 23m

2 stops

EYW14:03Key West

17 Nov

EYW07:40Key West

20h 10m

2 stops

LCY08:50London City

£562

Find similar

Delta

13 Nov

LCY08:40London City

40h 13m

2 stops

EYW19:53Key West

17 Nov

EYW07:40Key West

27h 55m

2 stops

LCY16:35London City

£567

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 8/1

14:00-12:26

1 stop27h 26m

Key West

Thu 22/1

09:46-10:00

1 stop19h 14m

£469

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 8/1

08:55-19:42

1 stop15h 47m

Key West

Thu 22/1

14:45-07:50

1 stop12h 05m

£494

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 12/3

11:20-10:59

2 stops27h 39m

Key West

Mon 16/3

17:24-07:30

2 stops34h 06m

£496

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 8/1

14:00-13:30

2 stops28h 30m

Key West

Thu 22/1

09:46-10:00

1 stop19h 14m

£497

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 8/1

13:30-16:22

2 stops31h 52m

Key West

Thu 22/1

18:05-21:20

2 stops22h 15m

£511

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 29/1

11:25-23:56

2 stops17h 31m

Key West

Sun 1/2

13:33-11:30

1 stop16h 57m

£536

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 29/1

09:45-23:56

1 stop19h 11m

Key West

Sun 1/2

13:33-11:30

1 stop16h 57m

£564

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

09:15-16:40

1 stop12h 25m

Key West

Mon 13/4

17:22-06:55

1 stop32h 33m

£630

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 8/4

08:30-22:11

2 stops18h 41m

Key West

Mon 13/4

16:05-11:45

1 stop14h 40m

£678

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Sat 28/3

11:20-23:59

2 stops16h 39m

Key West

Wed 1/4

13:59-06:55

1 stop11h 56m

£841

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from London 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

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 £523.

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 London is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £527. 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 £658.

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 London to Key West in the morning for as low as £578. 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 £824. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on London to Key West flights?

You could potentially save up to 20% on your flight if you consider stops on a London to Key West flight.

When to book flights from London to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from London to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to Key West (LON to EYW) flight deals and tips

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

Direct flights	None

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

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How far is London to Key West by plane?
A flight from London to Key West will travel around 4555.0 mi. A reasonable flight in good conditions will take 12h 25m.
When did momondo last update prices for flights from London to Key West Airport?
Prices for flights from London to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Key West Airport?
The number of operators available for flights from London to Key West Airport is 3 as of October 2025.
How old do you have to be to fly from London to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to Key West?
momondo data reveals that the most frequently booked airline on the route from London to Key West is Virgin Atlantic, representing 55% of all bookings. The subsequent popular airlines are British Airways at 32% and Finnair at 12%.

Best airlines flying from London to Key West

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £454	Free Cancellation	Rating 6.7 7,483 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £488	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom £521	Free Cancellation	Rating 7.2 11,032 reviews	Search American Airlines flights

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Key West. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Key West?

Once you have performed a search for London to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.