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

Prices for flights from Key West Airport to London refresh daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London 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.

£470 Cheap Flights from Key West to London in 2025/26

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Find the cheapest flights from Key West to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:10 - 07:50

EYW

LHR

19h 40m1 stop

06:30 - 19:40

LHR

EYW

18h 10m2 stops

£470KLM

Sun, 25 Jan - Sun, 1 Feb

19:45 - 08:35

EYW

LHR

31h 50m1 stop

06:00 - 23:56

LHR

EYW

22h 56m2 stops

£472British Airways

Sun, 1 Feb - Tue, 10 Feb

18:05 - 10:50

EYW

LHR

11h 45m1 stop

11:10 - 16:22

LHR

EYW

34h 12m2 stops

£478United Airlines

Sun, 18 Jan - Sun, 25 Jan

16:37 - 12:20

EYW

LHR

14h 43m1 stop

12:10 - 23:56

LHR

EYW

16h 46m1 stop

£490British Airways

Sun, 18 Jan - Sun, 25 Jan

07:10 - 07:50

EYW

LHR

19h 40m1 stop

10:45 - 19:40

LHR

EYW

13h 55m1 stop

£491KLM

Sun, 25 Jan - Sun, 1 Feb

13:33 - 10:50

EYW

LGW

16h 17m2 stops

11:45 - 23:56

LGW

EYW

17h 11m2 stops

£491British Airways

Sun, 25 Jan - Sun, 1 Feb

19:45 - 06:50

EYW

LHR

30h 05m1 stop

11:55 - 23:56

LHR

EYW

17h 01m1 stop

£493British Airways

Sun, 1 Feb - Tue, 10 Feb

18:05 - 10:50

EYW

LHR

11h 45m1 stop

16:20 - 13:03

LHR

EYW

25h 43m2 stops

£494United Airlines

Fri, 23 Jan - Tue, 27 Jan

13:33 - 10:50

EYW

LGW

16h 17m2 stops

11:45 - 23:56

LGW

EYW

17h 11m2 stops

£587Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

12:51 - 20:35

EYW

LGW

26h 44m3 stops

09:05 - 13:30

LGW

EYW

33h 25m3 stops

£699Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

KLM flights from Key West to London

Our best KLM deals on Key West to London flight tickets

KLM

25 Jan

EYW07:10Key West

19h 40m

1 stop

LHR07:50London Heathrow

1 Feb

LHR06:30London Heathrow

18h 10m

2 stops

EYW19:40Key West

£470

Find similar

KLM

25 Jan

EYW07:10Key West

19h 40m

1 stop

LHR07:50London Heathrow

1 Feb

LHR10:45London Heathrow

13h 55m

1 stop

EYW19:40Key West

£491

Find similar

KLM

2 May

EYW14:40Key West

17h 50m

1 stop

LHR13:30London Heathrow

17 May

LHR06:30London Heathrow

18h 14m

2 stops

EYW19:44Key West

£557

Find similar

British Airways flights from Key West to London

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

British Airways

1 Feb

EYW19:45Key West

31h 50m

1 stop

LHR08:35London Heathrow

10 Feb

LHR06:00London Heathrow

22h 56m

2 stops

EYW23:56Key West

£472

Find similar

British Airways

18 Jan

EYW16:37Key West

14h 43m

1 stop

LHR12:20London Heathrow

25 Jan

LHR12:10London Heathrow

16h 46m

1 stop

EYW23:56Key West

£490

Find similar

British Airways

25 Jan

EYW13:33Key West

16h 17m

2 stops

LGW10:50London Gatwick

1 Feb

LGW11:45London Gatwick

17h 11m

2 stops

EYW23:56Key West

£491

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 25/1

07:10-07:50

1 stop19h 40m

London Heathrow

Sun 1/2

06:30-19:40

2 stops18h 10m

£470

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 1/2

19:45-08:35

1 stop31h 50m

London Heathrow

Tue 10/2

06:00-23:56

2 stops22h 56m

£472

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 18/1

18:05-10:50

1 stop11h 45m

London Heathrow

Sun 25/1

11:10-16:22

2 stops34h 12m

£478

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 18/1

16:37-12:20

1 stop14h 43m

London Heathrow

Sun 25/1

12:10-23:56

1 stop16h 46m

£490

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 25/1

07:10-07:50

1 stop19h 40m

London Heathrow

Sun 1/2

10:45-19:40

1 stop13h 55m

£491

Key WestLondon

EYW - LGW

EYWLGW

Key West

Sun 25/1

13:33-10:50

2 stops16h 17m

London Gatwick

Sun 1/2

11:45-23:56

2 stops17h 11m

£491

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 1/2

19:45-06:50

1 stop30h 05m

London Heathrow

Tue 10/2

11:55-23:56

1 stop17h 01m

£493

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 23/1

18:05-10:50

1 stop11h 45m

London Heathrow

Tue 27/1

16:20-13:03

2 stops25h 43m

£494

Key WestLondon

EYW - LGW

EYWLGW

Key West

Sun 25/1

13:33-10:50

2 stops16h 17m

London Gatwick

Sun 1/2

11:45-23:56

2 stops17h 11m

£587

Key WestLondon

EYW - LGW

EYWLGW

Key West

Sun 25/1

12:51-20:35

3 stops26h 44m

London Gatwick

Sun 1/2

09:05-13:30

3 stops33h 25m

£699

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Key West to London

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

What is the cheapest day to depart on your flight to London?

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £582. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Key West to London for around £1,176.

When to book flights from Key West to London

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

Estimated return price

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

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

Fastest flight time	12h 01m
Direct flights	None

The fastest flight from Key West to London takes 12h 01m

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

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How far is Key West to London by plane?
A flight from Key West to London will travel around 4555.0 mi. By plane, this route typically takes 12h 01m.
When did momondo last update prices for flights from Key West Airport to London?
Prices for flights from Key West Airport to London refresh daily.
How old do you have to be to fly from Key West Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London 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.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Bedford

Colchester

Hounslow

Ramsgate

Romford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Key West to London . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Key West to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Key West to London 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 Key West to London right now. Can momondo alert me if prices change?

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