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.

£243 Cheap Flights from Key West to London in 2026

Find the cheapest flights from Key West to London

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 11:40EYW Key West-LHR London Heathrow

23h 40m1 stop Atlanta Hartsfield-Jackson

06:30 - 19:43LHR London Heathrow-EYW Key West

18h 13m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£646Delta

Wed, 3 Feb - Tue, 16 Feb

11:45 - 07:15EYW Key West-LHR London Heathrow

14h 30m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

06:30 - 17:11LHR London Heathrow-EYW Key West

15h 41m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£650Delta

Wed, 3 Feb - Tue, 16 Feb

12:41 - 12:00EYW Key West-LHR London Heathrow

18h 19m1 stop Chicago O'Hare Intl

15:00 - 16:22LHR London Heathrow-EYW Key West

30h 22m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

£659United Airlines

Wed, 20 Jan - Fri, 22 Jan

18:20 - 10:50EYW Key West-LHR London Heathrow

11h 30m1 stop Washington, D.C. Dulles Intl

18:00 - 11:11LHR London Heathrow-EYW Key West

46h 11m2 stops Toronto Pearson Intl Chicago O'Hare Intl

£660United Airlines

Wed, 20 Jan - Fri, 22 Jan

12:41 - 09:10EYW Key West-LHR London Heathrow

15h 29m2 stops Chicago O'Hare Intl Newark

11:10 - 16:22LHR London Heathrow-EYW Key West

34h 12m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

£663United Airlines

Wed, 20 Jan - Fri, 22 Jan

07:00 - 06:25EYW Key West-LHR London Heathrow

18h 25m1 stop Atlanta Hartsfield-Jackson

10:50 - 19:43LHR London Heathrow-EYW Key West

13h 53m1 stop Atlanta Hartsfield-Jackson

£668Delta

Wed, 3 Feb - Tue, 16 Feb

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

£670United Airlines

Wed, 20 Jan - Fri, 22 Jan

18:20 - 10:50EYW Key West-LHR London Heathrow

11h 30m1 stop Washington, D.C. Dulles Intl

13:00 - 11:11LHR London Heathrow-EYW Key West

27h 11m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

£673United Airlines

Wed, 20 Jan - Fri, 22 Jan

12:41 - 10:25EYW Key West-LHR London Heathrow

16h 44m2 stops Chicago O'Hare Intl Newark

12:00 - 11:11LHR London Heathrow-EYW Key West

28h 11m2 stops Newark Chicago O'Hare Intl

£674United Airlines

Wed, 20 Jan - Fri, 22 Jan

14:30 - 08:25EYW Key West-LHR London Heathrow

12h 55m1 stop Newark

12:00 - 13:02LHR London Heathrow-EYW Key West

30h 02m1 stop Newark

£674United Airlines

Wed, 20 Jan - Fri, 22 Jan

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United Airlines flights from Key West to London

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

United Airlines

20 Jan

EYW12:41Key West

18h 19m

1 stop

LHR12:00London Heathrow

22 Jan

LHR15:00London Heathrow

30h 22m

2 stops

EYW16:22Key West

£659

United Airlines

20 Jan

EYW18:20Key West

11h 30m

1 stop

LHR10:50London Heathrow

22 Jan

LHR18:00London Heathrow

46h 11m

2 stops

EYW11:11Key West

£660

United Airlines

20 Jan

EYW12:41Key West

15h 29m

2 stops

LHR09:10London Heathrow

22 Jan

LHR11:10London Heathrow

34h 12m

2 stops

EYW16:22Key West

£663

British Airways flights from Key West to London

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

British Airways

4 Feb

EYW12:00Key West

13h 45m

1 stop

LHR06:45London Heathrow

15 Feb

LHR19:05London Heathrow

32h 54m

2 stops

EYW22:59Key West

£680

British Airways

4 Feb

EYW12:00Key West

20h 30m

2 stops

LHR13:30London Heathrow

15 Feb

LHR18:45London Heathrow

33h 14m

2 stops

EYW22:59Key West

£685

British Airways

4 Feb

EYW12:00Key West

15h 15m

1 stop

LHR08:15London Heathrow

15 Feb

LHR11:50London Heathrow

16h 09m

1 stop

EYW22:59Key West

£694

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 3/2

07:00-11:40

1 stop23h 40m

London Heathrow

Tue 16/2

06:30-19:43

2 stops18h 13m

£646

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 3/2

11:45-07:15

2 stops14h 30m

London Heathrow

Tue 16/2

06:30-17:11

2 stops15h 41m

£650

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

12:41-12:00

1 stop18h 19m

London Heathrow

Fri 22/1

15:00-16:22

2 stops30h 22m

£659

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

18:20-10:50

1 stop11h 30m

London Heathrow

Fri 22/1

18:00-11:11

2 stops46h 11m

£660

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

12:41-09:10

2 stops15h 29m

London Heathrow

Fri 22/1

11:10-16:22

2 stops34h 12m

£663

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 3/2

07:00-06:25

1 stop18h 25m

London Heathrow

Tue 16/2

10:50-19:43

1 stop13h 53m

£668

Fastest return journey

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

£670

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

18:20-10:50

1 stop11h 30m

London Heathrow

Fri 22/1

13:00-11:11

2 stops27h 11m

£673

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

12:41-10:25

2 stops16h 44m

London Heathrow

Fri 22/1

12:00-11:11

2 stops28h 11m

£674

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

14:30-08:25

1 stop12h 55m

London Heathrow

Fri 22/1

12:00-13:02

1 stop30h 02m

£674

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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?

United Airlines is the most popular carrier 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	£243
Fastest flight time	12h 21m
Direct flights	None

The best one-way flight to London from Key West in the past 72 hours is £243. The best return flight deal from Key West to London found on momondo in the last 72 hours is £646.

The fastest flight from Key West to London takes 12h 21m

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 21m.
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

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Guildford

Bedford

Harlow

Colchester

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 £243

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 9/10. 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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United Airlines flights from Key West to London

Our best United 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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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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