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.

£249 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 - 09:10EYW Key West-LHR London Heathrow

13h 06m1 stop Newark

13:00 - 17:10LHR London Heathrow-EYW Key West

33h 10m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

£672United 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

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

14h 30m1 stop Chicago O'Hare Intl

£687United Airlines

Wed, 20 Jan - Fri, 22 Jan

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

14h 21m1 stop Newark

13:00 - 12:15LHR London Heathrow-EYW Key West

28h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

£688United Airlines

Wed, 20 Jan - Fri, 22 Jan

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

14h 21m1 stop Newark

13:00 - 12:15LHR London Heathrow-EYW Key West

28h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

£689United Airlines

Wed, 20 Jan - Fri, 22 Jan

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

14h 21m1 stop Newark

13:00 - 12:15LHR London Heathrow-EYW Key West

28h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

£690United Airlines

Wed, 20 Jan - Fri, 22 Jan

07:40 - 07:50EYW Key West-LHR London Heathrow

19h 10m1 stop Atlanta Hartsfield-Jackson

06:20 - 20:00LHR London Heathrow-EYW Key West

18h 40m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

£696Delta

Sun, 8 Nov - Sun, 15 Nov

14:00 - 07:50EYW Key West-LHR London Heathrow

12h 50m1 stop Atlanta Hartsfield-Jackson

08:55 - 17:10LHR London Heathrow-EYW Key West

13h 15m1 stop Atlanta Hartsfield-Jackson

£708Virgin Atlantic

Sun, 8 Nov - Sun, 15 Nov

11:14 - 11:40EYW Key West-LHR London Heathrow

19h 26m2 stops Miami Barcelona-El Prat

19:15 - 19:02LHR London Heathrow-EYW Key West

28h 47m2 stops Barcelona-El Prat Miami

£760British Airways

Sun, 8 Nov - Sun, 15 Nov

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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

EYW15:04Key West

13h 06m

1 stop

LHR09:10London Heathrow

22 Jan

LHR13:00London Heathrow

33h 10m

2 stops

EYW17:10Key West

£672

United Airlines

20 Jan

EYW15:04Key West

14h 21m

1 stop

LHR10:25London Heathrow

22 Jan

LHR07:40London Heathrow

14h 30m

1 stop

EYW17:10Key West

£686

United Airlines

20 Jan

EYW15:04Key West

14h 21m

1 stop

LHR10:25London Heathrow

22 Jan

LHR07:40London Heathrow

14h 30m

1 stop

EYW17:10Key West

£686

Delta flights from Key West to London

Our best Delta deals on Key West to London flight tickets

Delta

8 Nov

EYW07:40Key West

19h 10m

1 stop

LHR07:50London Heathrow

15 Nov

LHR06:20London Heathrow

18h 40m

2 stops

EYW20:00Key West

£696

Delta

14 Oct

EYW14:00Key West

17h 05m

2 stops

LHR12:05London Heathrow

18 Oct

LHR11:15London Heathrow

13h 46m

1 stop

EYW20:01Key West

£876

Delta

13 Oct

EYW14:00Key West

15h 20m

2 stops

LHR10:20London Heathrow

16 Oct

LHR06:15London Heathrow

18h 46m

2 stops

EYW20:01Key West

£971

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

15:04-09:10

1 stop13h 06m

London Heathrow

Fri 22/1

13:00-17:10

2 stops33h 10m

£672

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

07:40-17:10

1 stop14h 30m

£687

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

13:00-12:15

2 stops28h 15m

£688

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

13:00-12:15

2 stops28h 15m

£689

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

13:00-12:15

2 stops28h 15m

£690

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 8/11

07:40-07:50

1 stop19h 10m

London Heathrow

Sun 15/11

06:20-20:00

2 stops18h 40m

£696

Fastest return journey

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 8/11

14:00-07:50

1 stop12h 50m

London Heathrow

Sun 15/11

08:55-17:10

1 stop13h 15m

£708

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 8/11

11:14-11:40

2 stops19h 26m

London Heathrow

Sun 15/11

19:15-19:02

2 stops28h 47m

£760

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?

American Airlines, British Airways, and KLM 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	£249
Fastest flight time	11h 25m
Direct flights	None

The best one-way flight to London from Key West in the past 72 hours is £249. The best return flight deal from Key West to London found on momondo in the last 72 hours is £672.

The fastest flight from Key West to London takes 11h 25m

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 11h 25m.
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 £249

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 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Key West to London

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

Delta flights from Key West to London

Our best Delta 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?

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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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