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.

£350 Cheap Flights from Key West to London in 2026/27

Find the cheapest flights from Key West to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

15:04 - 08:25EYW Key West-LHR London Heathrow

12h 21m1 stop Newark

18:00 - 12:15LHR London Heathrow-EYW Key West

47h 15m2 stops Toronto Pearson Intl Chicago O'Hare Intl

£674United Airlines

Wed, 20 Jan - Fri, 22 Jan

15:15 - 08:25EYW Key West-LHR London Heathrow

12h 10m1 stop Newark

18:00 - 12:16LHR London Heathrow-EYW Key West

47h 16m2 stops Toronto Pearson Intl Chicago O'Hare Intl

£675United Airlines

Wed, 20 Jan - Fri, 22 Jan

15:04 - 10:25EYW Key West-LHR London Heathrow

14h 21m1 stop Newark

07:40 - 17:10LHR London Heathrow-EYW Key West

14h 30m1 stop Chicago O'Hare Intl

£686United Airlines

Wed, 20 Jan - Fri, 22 Jan

15:04 - 10:25EYW Key West-LHR London Heathrow

14h 21m1 stop Newark

07:40 - 17:10LHR London Heathrow-EYW Key West

14h 30m1 stop Chicago O'Hare Intl

£686United Airlines

Wed, 20 Jan - Fri, 22 Jan

15:04 - 10:25EYW Key West-LHR London Heathrow

14h 21m1 stop Newark

16:20 - 14:08LHR London Heathrow-EYW Key West

26h 48m2 stops Washington, D.C. Dulles Intl Newark

£689United Airlines

Wed, 20 Jan - Fri, 22 Jan

12:29 - 06:30EYW Key West-LHR London Heathrow

13h 01m1 stop Boston Logan Intl

08:40 - 11:56LHR London Heathrow-EYW Key West

32h 16m1 stop Boston Logan Intl

£720JetBlue

Sun, 18 Oct - Sat, 24 Oct

11:14 - 06:45EYW Key West-LHR London Heathrow

14h 31m1 stop Miami

11:15 - 20:16LHR London Heathrow-EYW Key West

14h 01m1 stop Miami

£736American Airlines

Sun, 15 Nov - Sun, 22 Nov

11:14 - 06:45EYW Key West-LHR London Heathrow

14h 31m1 stop Miami

08:20 - 18:53LHR London Heathrow-EYW Key West

15h 33m2 stops New York John F Kennedy Intl Miami

£739American Airlines

Sun, 15 Nov - Sun, 22 Nov

16:44 - 17:15EYW Key West-LHR London Heathrow

43h 31m2 stops Miami Madrid Barajas

06:05 - 19:02LHR London Heathrow-EYW Key West

17h 57m2 stops Barcelona-El Prat Miami

£750British Airways

Sun, 1 Nov - Sun, 8 Nov

16:45 - 09:40EYW Key West-LHR London Heathrow

11h 55m1 stop Charlotte Douglas

06:05 - 19:02LHR London Heathrow-EYW Key West

17h 57m2 stops Barcelona-El Prat Miami

£751American Airlines

Thu, 12 Nov - Mon, 16 Nov

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JetBlue flights from Key West to London

Our best JetBlue deals on Key West to London flight tickets

JetBlue

18 Oct

EYW12:29Key West

13h 01m

1 stop

LHR06:30London Heathrow

24 Oct

LHR08:40London Heathrow

32h 16m

1 stop

EYW11:56Key West

£720

JetBlue

19 Oct

EYW12:29Key West

13h 01m

1 stop

LHR06:30London Heathrow

23 Oct

LHR08:40London Heathrow

31h 59m

1 stop

EYW11:39Key West

£795

British Airways flights from Key West to London

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

British Airways

1 Nov

EYW16:44Key West

43h 31m

2 stops

LHR17:15London Heathrow

8 Nov

LHR06:05London Heathrow

17h 57m

2 stops

EYW19:02Key West

£750

British Airways

20 Jan

EYW11:32Key West

16h 43m

2 stops

LHR09:15London Heathrow

22 Jan

LHR11:25London Heathrow

37h 11m

2 stops

EYW19:36Key West

£858

British Airways

1 Nov

EYW17:35Key West

32h 00m

1 stop

LHR06:35London Heathrow

8 Nov

LHR11:15London Heathrow

12h 47m

1 stop

EYW19:02Key West

£889

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-08:25

1 stop12h 21m

London Heathrow

Fri 22/1

18:00-12:15

2 stops47h 15m

£674

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:15-08:25

1 stop12h 10m

London Heathrow

Fri 22/1

18:00-12:16

2 stops47h 16m

£675

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-10:25

1 stop14h 21m

London Heathrow

Fri 22/1

07:40-17:10

1 stop14h 30m

£686

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-10:25

1 stop14h 21m

London Heathrow

Fri 22/1

07:40-17:10

1 stop14h 30m

£686

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-10:25

1 stop14h 21m

London Heathrow

Fri 22/1

16:20-14:08

2 stops26h 48m

£689

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 18/10

12:29-06:30

1 stop13h 01m

London Heathrow

Sat 24/10

08:40-11:56

1 stop32h 16m

£720

Fastest return journey

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 15/11

11:14-06:45

1 stop14h 31m

London Heathrow

Sun 22/11

11:15-20:16

1 stop14h 01m

£736

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 15/11

11:14-06:45

1 stop14h 31m

London Heathrow

Sun 22/11

08:20-18:53

2 stops15h 33m

£739

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 1/11

16:44-17:15

2 stops43h 31m

London Heathrow

Sun 8/11

06:05-19:02

2 stops17h 57m

£750

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 12/11

16:45-09:40

1 stop11h 55m

London Heathrow

Mon 16/11

06:05-19:02

2 stops17h 57m

£751

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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

Best price found	£350
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to London from Key West in the past 72 hours is £350. The best return flight deal from Key West to London found on momondo in the last 72 hours is £674.

The fastest flight from Key West to London takes 12h 10m

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

Search flight deals

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 12h 10m.
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.

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Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Colchester

Guildford

Harlow

Chelmsford

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 £350

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 13/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Key West to London

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Big names, great deals

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Filter for what you want

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JetBlue flights from Key West to London

Our best JetBlue 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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Use the filters below to find and compare flights from Key West to London that are best for you.

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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

Best price found

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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