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.

£375 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.

11:51 - 07:50EYW Key West-LHR London Heathrow

14h 59m1 stop Atlanta Hartsfield-Jackson

06:30 - 20:00LHR London Heathrow-EYW Key West

18h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£549KLM

Wed, 4 Nov - Wed, 11 Nov

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

19h 10m1 stop Atlanta Hartsfield-Jackson

06:30 - 20:00LHR London Heathrow-EYW Key West

18h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£550KLM

Tue, 3 Nov - Tue, 10 Nov

07:40 - 09:25EYW Key West-LHR London Heathrow

20h 45m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

06:30 - 20:00LHR London Heathrow-EYW Key West

18h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£553Delta

Tue, 3 Nov - Tue, 10 Nov

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

19h 10m1 stop Atlanta Hartsfield-Jackson

10:50 - 20:00LHR London Heathrow-EYW Key West

14h 10m1 stop Atlanta Hartsfield-Jackson

£555Delta

Tue, 3 Nov - Tue, 10 Nov

11:51 - 07:50EYW Key West-LHR London Heathrow

14h 59m1 stop Atlanta Hartsfield-Jackson

08:55 - 20:00LHR London Heathrow-EYW Key West

16h 05m1 stop Atlanta Hartsfield-Jackson

£572Virgin Atlantic

Thu, 5 Nov - Thu, 12 Nov

18:11 - 11:40EYW Key West-LHR London Heathrow

12h 29m1 stop Atlanta Hartsfield-Jackson

06:30 - 20:00LHR London Heathrow-EYW Key West

18h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£584Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

07:40 - 07:15EYW Key West-LHR London Heathrow

18h 35m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

06:30 - 20:00LHR London Heathrow-EYW Key West

18h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£590Delta

Thu, 5 Nov - Thu, 12 Nov

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

£668United Airlines

Wed, 20 Jan - Fri, 22 Jan

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

£669United 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

£677United 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

EYW15:04Key West

12h 21m

1 stop

LHR08:25London Heathrow

22 Jan

LHR18:00London Heathrow

47h 15m

2 stops

EYW12:15Key West

£668

United Airlines

20 Jan

EYW15:04Key West

12h 21m

1 stop

LHR08:25London Heathrow

22 Jan

LHR18:00London Heathrow

47h 15m

2 stops

EYW12:15Key West

£669

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

£677

KLM flights from Key West to London

Our best KLM deals on Key West to London flight tickets

KLM

4 Nov

EYW11:51Key West

14h 59m

1 stop

LHR07:50London Heathrow

11 Nov

LHR06:30London Heathrow

18h 30m

2 stops

EYW20:00Key West

£549

KLM

3 Nov

EYW07:40Key West

19h 10m

1 stop

LHR07:50London Heathrow

10 Nov

LHR06:30London Heathrow

18h 30m

2 stops

EYW20:00Key West

£550

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 4/11

11:51-07:50

1 stop14h 59m

London Heathrow

Wed 11/11

06:30-20:00

2 stops18h 30m

£549

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 3/11

07:40-07:50

1 stop19h 10m

London Heathrow

Tue 10/11

06:30-20:00

2 stops18h 30m

£550

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 3/11

07:40-09:25

2 stops20h 45m

London Heathrow

Tue 10/11

06:30-20:00

2 stops18h 30m

£553

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 3/11

07:40-07:50

1 stop19h 10m

London Heathrow

Tue 10/11

10:50-20:00

1 stop14h 10m

£555

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 5/11

11:51-07:50

1 stop14h 59m

London Heathrow

Thu 12/11

08:55-20:00

1 stop16h 05m

£572

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 5/11

18:11-11:40

1 stop12h 29m

London Heathrow

Thu 12/11

06:30-20:00

2 stops18h 30m

£584

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 5/11

07:40-07:15

2 stops18h 35m

London Heathrow

Thu 12/11

06:30-20:00

2 stops18h 30m

£590

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

£668

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

£669

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

£677

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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, Virgin Atlantic, and Brussels 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	£375
Fastest flight time	14h 05m
Direct flights	None

The best one-way flight to London from Key West in the past 72 hours is £375. The best return flight deal from Key West to London found on momondo in the last 72 hours is £549.

The fastest flight from Key West to London takes 14h 05m

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 14h 05m.
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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Ipswich

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Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

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 £375

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Key West to London

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

KLM flights from Key West to London

Our best KLM deals on Key West to London flight tickets

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

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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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