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

British Airways, United Airlines, and Virgin Atlantic are the most popular carriers operating from London to Key West

Which airlines fly to Key West?

Virgin Atlantic, American Airlines and British Airways 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 55% 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 March 2026.

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.

£428 Cheap Flights from London to Key West in 2026

Q: What is the typical price of a round-trip flight between London and Key West?

Prices are currently typical for flights on this route. Typical prices usually range from £480 to £653. The lowest price recently found on this route was £538.

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Find the cheapest flights from London to Key West

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

15:35 - 22:58

LHR

EYW

12h 23m

1 stop

11:24 - 12:35

EYW

LHR

20h 11m

1 stop

£538British Airways

Thu, 23 Apr - Thu, 30 Apr

06:15 - 22:58

LHR

EYW

21h 43m

2 stops

11:24 - 11:05

EYW

LHR

18h 41m

1 stop

£541British Airways

Thu, 23 Apr - Thu, 30 Apr

06:25 - 22:58

LHR

EYW

21h 33m

2 stops

15:58 - 13:15

EYW

LHR

16h 17m

2 stops

£560British Airways

Mon, 27 Apr - Mon, 4 May

16:40 - 13:31

LHR

EYW

25h 51m

2 stops

16:47 - 11:35

EYW

LHR

13h 48m

1 stop

£570United Airlines

Mon, 27 Apr - Mon, 4 May

16:40 - 15:57

LHR

EYW

28h 17m

2 stops

14:49 - 10:40

EYW

LHR

14h 51m

2 stops

£574United Airlines

Thu, 23 Apr - Thu, 30 Apr

14:00 - 12:26

LGW

EYW

27h 26m

1 stop

09:46 - 06:20

EYW

LGW

39h 34m

2 stops

£589Multiple Airlines

Thu, 9 Apr - Thu, 23 Apr

12:20 - 22:58

LGW

EYW

15h 38m

2 stops

11:24 - 08:40

EYW

LGW

16h 16m

2 stops

£633American Airlines

Thu, 9 Apr - Thu, 23 Apr

14:00 - 12:26

LGW

EYW

27h 26m

1 stop

09:46 - 10:00

EYW

LGW

19h 14m

1 stop

£736Multiple Airlines

Sun, 26 Apr - Sun, 3 May

17:00 - 17:23

LGW

EYW

29h 23m

2 stops

18:23 - 09:40

EYW

LGW

34h 17m

2 stops

£1,249Air France

Sun, 26 Apr - Sun, 3 May

17:00 - 17:23

LGW

EYW

29h 23m

2 stops

18:23 - 16:00

EYW

LGW

40h 37m

2 stops

£1,276Air France

Thu, 23 Apr - Thu, 30 Apr

Lufthansa flights from London to Key West

Our best Lufthansa deals on London to Key West flight tickets

Lufthansa

7 Apr

LHR12:00London Heathrow

33h 42m

2 stops

EYW16:42Key West

13 Apr

EYW18:22Key West

33h 38m

2 stops

LHR09:00London Heathrow

£641

Lufthansa

7 Apr

LHR12:00London Heathrow

33h 42m

2 stops

EYW16:42Key West

13 Apr

EYW18:22Key West

31h 23m

2 stops

LHR06:45London Heathrow

£643

Lufthansa

7 Apr

LHR10:25London Heathrow

35h 17m

2 stops

EYW16:42Key West

13 Apr

EYW18:22Key West

31h 23m

2 stops

LHR06:45London Heathrow

£662

United Airlines flights from London to Key West

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

United Airlines

27 Apr

LHR16:40London Heathrow

25h 51m

2 stops

EYW13:31Key West

4 May

EYW16:47Key West

13h 48m

1 stop

LHR11:35London Heathrow

£570

United Airlines

23 Apr

LHR16:40London Heathrow

28h 17m

2 stops

EYW15:57Key West

30 Apr

EYW14:49Key West

14h 51m

2 stops

LHR10:40London Heathrow

£574

United Airlines

6 Apr

LHR11:05London Heathrow

33h 52m

2 stops

EYW15:57Key West

13 Apr

EYW18:22Key West

31h 33m

1 stop

LHR06:55London Heathrow

£594

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 23/4

15:35-22:58

1 stop12h 23m

Key West

Thu 30/4

11:24-12:35

1 stop20h 11m

£538

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 23/4

06:15-22:58

2 stops21h 43m

Key West

Thu 30/4

11:24-11:05

1 stop18h 41m

£541

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Mon 27/4

06:25-22:58

2 stops21h 33m

Key West

Mon 4/5

15:58-13:15

2 stops16h 17m

£560

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Mon 27/4

16:40-13:31

2 stops25h 51m

Key West

Mon 4/5

16:47-11:35

1 stop13h 48m

£570

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 23/4

16:40-15:57

2 stops28h 17m

Key West

Thu 30/4

14:49-10:40

2 stops14h 51m

£574

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 9/4

14:00-12:26

1 stop27h 26m

Key West

Thu 23/4

09:46-06:20

2 stops39h 34m

£589

Fastest return journey

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 9/4

12:20-22:58

2 stops15h 38m

Key West

Thu 23/4

11:24-08:40

2 stops16h 16m

£633

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Sun 26/4

14:00-12:26

1 stop27h 26m

Key West

Sun 3/5

09:46-10:00

1 stop19h 14m

£736

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Sun 26/4

17:00-17:23

2 stops29h 23m

Key West

Sun 3/5

18:23-09:40

2 stops34h 17m

£1,249

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 23/4

17:00-17:23

2 stops29h 23m

Key West

Thu 30/4

18:23-16:00

2 stops40h 37m

£1,276

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 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 typical price of a round-trip flight between London and Key West?

What is the cheapest month to fly to Key West?

If you aren’t able to travel to Key West during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £523.

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

You could potentially save up to 18% 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

Fastest flight time	12h 23m
Direct flights	None

The fastest flight from London to Key West takes 12h 23m

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

Search flight deals

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 23m.
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 March 2026.
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 63% of all bookings. The subsequent popular airline is British Airways at 37%.

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 £468	Free Cancellation	Rating 6.7 7,786 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £497	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom £522	Free Cancellation	Rating 7.1 11,464 reviews	Search American Airlines flights

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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.