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.

£685 Cheap Flights from Key West to London in 2026/27

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.

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

18h 00m1 stop Atlanta Hartsfield-Jackson

17:35 - 17:10LHR London Heathrow-EYW Key West

28h 35m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

£685Delta

Mon, 7 Dec - Mon, 14 Dec

07:25 - 07:55EYW Key West-LHR London Heathrow

19h 30m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

17:35 - 17:10LHR London Heathrow-EYW Key West

28h 35m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

£688Delta

Mon, 7 Dec - Mon, 14 Dec

15:10 - 09:10EYW Key West-LHR London Heathrow

13h 00m1 stop Newark

18:00 - 17:39LHR London Heathrow-EYW Key West

28h 39m2 stops Newark Chicago O'Hare Intl

£694United Airlines

Sun, 14 Feb - Wed, 17 Feb

15:10 - 09:10EYW Key West-LHR London Heathrow

13h 00m1 stop Newark

12:00 - 14:05LHR London Heathrow-EYW Key West

31h 05m1 stop Newark

£694United Airlines

Sun, 14 Feb - Wed, 17 Feb

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

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

10:25 - 15:29LHR London Heathrow-EYW Key West

34h 04m1 stop Chicago O'Hare Intl

£695United Airlines

Sun, 14 Feb - Wed, 17 Feb

11:26 - 06:45EYW Key West-LHR London Heathrow

14h 19m1 stop Miami

09:45 - 19:30LHR London Heathrow-EYW Key West

14h 45m1 stop Miami

£729British Airways

Mon, 7 Dec - Mon, 14 Dec

13:14 - 06:55EYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

09:20 - 12:23LHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

£742JetBlue

Wed, 2 Dec - Sat, 12 Dec

14:06 - 06:25EYW Key West-LHR London Heathrow

11h 19m1 stop Atlanta Hartsfield-Jackson

06:30 - 20:01LHR London Heathrow-EYW Key West

18h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£746Delta

Thu, 10 Dec - Mon, 14 Dec

07:25 - 07:05EYW Key West-LHR London Heathrow

18h 40m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

06:30 - 20:01LHR London Heathrow-EYW Key West

18h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£749Delta

Thu, 10 Dec - Mon, 14 Dec

12:05 - 05:55EYW Key West-LHR London Heathrow

12h 50m1 stop Chicago O'Hare Intl

12:05 - 11:24LHR London Heathrow-EYW Key West

52h 19m2 stops Zurich Chicago O'Hare Intl

£750United Airlines

Wed, 2 Dec - Sat, 12 Dec

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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

14 Feb

EYW15:10Key West

13h 00m

1 stop

LHR09:10London Heathrow

17 Feb

LHR18:00London Heathrow

28h 39m

2 stops

EYW17:39Key West

£694

United Airlines

14 Feb

EYW15:10Key West

13h 00m

1 stop

LHR09:10London Heathrow

17 Feb

LHR12:00London Heathrow

31h 05m

1 stop

EYW14:05Key West

£694

United Airlines

14 Feb

EYW18:20Key West

11h 30m

1 stop

LHR10:50London Heathrow

17 Feb

LHR10:25London Heathrow

34h 04m

1 stop

EYW15:29Key West

£695

Delta flights from Key West to London

Our best Delta deals on Key West to London flight tickets

Delta

7 Dec

EYW07:25Key West

18h 00m

1 stop

LHR06:25London Heathrow

14 Dec

LHR17:35London Heathrow

28h 35m

2 stops

EYW17:10Key West

£685

Delta

7 Dec

EYW07:25Key West

19h 30m

2 stops

LHR07:55London Heathrow

14 Dec

LHR17:35London Heathrow

28h 35m

2 stops

EYW17:10Key West

£688

Delta

10 Dec

EYW14:06Key West

11h 19m

1 stop

LHR06:25London Heathrow

14 Dec

LHR06:30London Heathrow

18h 31m

2 stops

EYW20:01Key West

£746

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Mon 7/12

07:25-06:25

1 stop18h 00m

London Heathrow

Mon 14/12

17:35-17:10

2 stops28h 35m

£685

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Mon 7/12

07:25-07:55

2 stops19h 30m

London Heathrow

Mon 14/12

17:35-17:10

2 stops28h 35m

£688

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 14/2

15:10-09:10

1 stop13h 00m

London Heathrow

Wed 17/2

18:00-17:39

2 stops28h 39m

£694

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 14/2

15:10-09:10

1 stop13h 00m

London Heathrow

Wed 17/2

12:00-14:05

1 stop31h 05m

£694

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 14/2

18:20-10:50

1 stop11h 30m

London Heathrow

Wed 17/2

10:25-15:29

1 stop34h 04m

£695

Fastest return journey

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Mon 7/12

11:26-06:45

1 stop14h 19m

London Heathrow

Mon 14/12

09:45-19:30

1 stop14h 45m

£729

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 2/12

13:14-06:55

1 stop12h 41m

London Heathrow

Sat 12/12

09:20-12:23

1 stop32h 03m

£742

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 10/12

14:06-06:25

1 stop11h 19m

London Heathrow

Mon 14/12

06:30-20:01

2 stops18h 31m

£746

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 10/12

07:25-07:05

2 stops18h 40m

London Heathrow

Mon 14/12

06:30-20:01

2 stops18h 31m

£749

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 2/12

12:05-05:55

1 stop12h 50m

London Heathrow

Sat 12/12

12:05-11:24

2 stops52h 19m

£750

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 month to fly to London?

The cheapest month to fly to London from Key West is in December. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Key West averaging around £0.

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	£685
Fastest flight time	11h 19m
Direct flights	None

The best flight deal from Key West to London found on momondo in the last 72 hours is £685

The fastest flight from Key West to London takes 11h 19m

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 19m.
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

Ipswich

Slough

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Colchester

Chichester

Hayes

Bedford

Guildford

Harlow

Winchester

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 £685

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to London departing on 7/12. 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

Cheap return flights

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Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

momondo Fare Finder

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

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