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.

£591 Cheap Flights from Key West to London in 2026

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Find the cheapest flights from Key West to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:22 - 06:50

EYW

LHR

12h 28m

1 stop

06:10 - 18:24

LHR

EYW

17h 14m

2 stops

£661American Airlines

Tue, 8 Sep - Thu, 8 Oct

11:26 - 06:55

EYW

LHR

14h 29m

1 stop

06:10 - 18:24

LHR

EYW

17h 14m

2 stops

£662American Airlines

Tue, 8 Sep - Thu, 8 Oct

18:00 - 13:15

EYW

LHR

14h 15m

1 stop

11:15 - 19:43

LHR

EYW

13h 28m

1 stop

£677Delta

Tue, 8 Sep - Thu, 8 Oct

13:22 - 06:50

EYW

LHR

12h 28m

1 stop

09:55 - 18:24

LHR

EYW

13h 29m

1 stop

£678American Airlines

Tue, 8 Sep - Thu, 8 Oct

16:47 - 06:45

EYW

LHR

32h 58m

2 stops

16:40 - 13:30

LHR

EYW

25h 50m

2 stops

£726United Airlines

Sat, 9 May - Wed, 20 May

15:58 - 22:45

EYW

LHR

25h 47m

2 stops

18:45 - 22:58

LHR

EYW

33h 13m

2 stops

£731British Airways

Mon, 4 May - Mon, 11 May

07:33 - 06:25

EYW

LHR

17h 52m

1 stop

20:55 - 17:23

LHR

EYW

25h 28m

2 stops

£736KLM

Mon, 4 May - Mon, 11 May

16:47 - 11:35

EYW

LHR

13h 48m

1 stop

08:00 - 15:07

LHR

EYW

36h 07m

1 stop

£765United Airlines

Mon, 4 May - Mon, 11 May

15:58 - 10:50

EYW

LGW

37h 52m

2 stops

20:40 - 22:58

LGW

EYW

31h 18m

2 stops

£769British Airways

Mon, 4 May - Mon, 11 May

07:33 - 06:25

EYW

LHR

17h 52m

1 stop

06:30 - 17:23

LHR

EYW

15h 53m

2 stops

£778KLM

Mon, 27 Apr - Tue, 5 May

American Airlines flights from Key West to London

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

American Airlines

8 Sept

EYW13:22Key West

12h 28m

1 stop

LHR06:50London Heathrow

8 Oct

LHR06:10London Heathrow

17h 14m

2 stops

EYW18:24Key West

£661

American Airlines

8 Sept

EYW11:26Key West

14h 29m

1 stop

LHR06:55London Heathrow

8 Oct

LHR06:10London Heathrow

17h 14m

2 stops

EYW18:24Key West

£662

American Airlines

8 Sept

EYW13:22Key West

12h 28m

1 stop

LHR06:50London Heathrow

8 Oct

LHR09:55London Heathrow

13h 29m

1 stop

EYW18:24Key West

£678

British Airways flights from Key West to London

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

British Airways

4 May

EYW15:58Key West

25h 47m

2 stops

LHR22:45London Heathrow

11 May

LHR18:45London Heathrow

33h 13m

2 stops

EYW22:58Key West

£731

British Airways

4 May

EYW15:58Key West

37h 52m

2 stops

LGW10:50London Gatwick

11 May

LGW20:40London Gatwick

31h 18m

2 stops

EYW22:58Key West

£769

British Airways

27 Apr

EYW11:24Key West

18h 41m

1 stop

LHR11:05London Heathrow

5 May

LHR15:00London Heathrow

12h 58m

1 stop

EYW22:58Key West

£795

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

13:22-06:50

1 stop12h 28m

London Heathrow

Thu 8/10

06:10-18:24

2 stops17h 14m

£661

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

11:26-06:55

1 stop14h 29m

London Heathrow

Thu 8/10

06:10-18:24

2 stops17h 14m

£662

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

18:00-13:15

1 stop14h 15m

London Heathrow

Thu 8/10

11:15-19:43

1 stop13h 28m

£677

Fastest return journey

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

13:22-06:50

1 stop12h 28m

London Heathrow

Thu 8/10

09:55-18:24

1 stop13h 29m

£678

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 9/5

16:47-06:45

2 stops32h 58m

London Heathrow

Wed 20/5

16:40-13:30

2 stops25h 50m

£726

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/5

15:58-22:45

2 stops25h 47m

London Heathrow

Mon 11/5

18:45-22:58

2 stops33h 13m

£731

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/5

07:33-06:25

1 stop17h 52m

London Heathrow

Mon 11/5

20:55-17:23

2 stops25h 28m

£736

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/5

16:47-11:35

1 stop13h 48m

London Heathrow

Mon 11/5

08:00-15:07

1 stop36h 07m

£765

Key WestLondon

EYW - LGW

EYWLGW

Key West

Mon 4/5

15:58-10:50

2 stops37h 52m

London Gatwick

Mon 11/5

20:40-22:58

2 stops31h 18m

£769

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 27/4

07:33-06:25

1 stop17h 52m

London Heathrow

Tue 5/5

06:30-17:23

2 stops15h 53m

£778

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted 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 airline that flies from Key West to London?

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

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	13h 00m
Direct flights	None

The fastest flight from Key West to London takes 13h 00m

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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Frequently asked questions about flying from Key West to London

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 13h 00m.
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

Slough

Maidstone

Southend-on-Sea

Wembley

Ipswich

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Bedford

Chichester

Worthing

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.

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Cheap flights from Key West to London from £591

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to London departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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American Airlines flights from Key West to London

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

British Airways flights from Key West to London

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

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

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

When to book flights from Key West to London

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

Direct flights

Frequently asked questions about flying from Key West to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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