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.

£559 Cheap Flights from Key West to London in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Key West to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:40 - 06:25

EYW

LHR

17h 45m

1 stop

06:30 - 19:45

LHR

EYW

18h 15m

2 stops

£639Delta

Tue, 18 Aug - Tue, 1 Sep

16:57 - 11:15

EYW

LHR

13h 18m

1 stop

06:15 - 18:31

LHR

EYW

17h 16m

2 stops

£641American Airlines

Tue, 18 Aug - Tue, 1 Sep

07:40 - 08:50

EYW

LHR

20h 10m

2 stops

06:30 - 19:45

LHR

EYW

18h 15m

2 stops

£642Delta

Tue, 18 Aug - Tue, 1 Sep

14:20 - 07:15

EYW

LHR

11h 55m

1 stop

06:50 - 13:29

LHR

EYW

35h 39m

2 stops

£643United Airlines

Wed, 19 Aug - Tue, 1 Sep

13:57 - 13:15

EYW

LHR

18h 18m

1 stop

06:15 - 19:45

LHR

EYW

18h 30m

2 stops

£645Delta

Sun, 16 Aug - Tue, 1 Sep

14:20 - 10:40

EYW

LHR

15h 20m

2 stops

06:50 - 13:29

LHR

EYW

35h 39m

2 stops

£646United Airlines

Wed, 19 Aug - Tue, 1 Sep

07:40 - 07:15

EYW

LHR

18h 35m

2 stops

06:15 - 17:14

LHR

EYW

15h 59m

2 stops

£648Delta

Mon, 17 Aug - Tue, 1 Sep

14:30 - 20:35

EYW

LHR

26h 05m

1 stop

13:00 - 16:06

LHR

EYW

55h 06m

2 stops

£653United Airlines

Tue, 27 Oct - Fri, 30 Oct

14:30 - 21:20

EYW

LHR

26h 50m

1 stop

13:00 - 16:06

LHR

EYW

55h 06m

2 stops

£654United Airlines

Tue, 27 Oct - Fri, 30 Oct

14:30 - 08:25

EYW

LHR

13h 55m

1 stop

18:00 - 13:02

LHR

EYW

23h 02m

1 stop

£660United Airlines

Tue, 27 Oct - Fri, 30 Oct

Delta flights from Key West to London

Our best Delta deals on Key West to London flight tickets

Delta

18 Aug

EYW07:40Key West

17h 45m

1 stop

LHR06:25London Heathrow

1 Sept

LHR06:30London Heathrow

18h 15m

2 stops

EYW19:45Key West

£639

Delta

18 Aug

EYW07:40Key West

20h 10m

2 stops

LHR08:50London Heathrow

1 Sept

LHR06:30London Heathrow

18h 15m

2 stops

EYW19:45Key West

£642

Delta

16 Aug

EYW13:57Key West

18h 18m

1 stop

LHR13:15London Heathrow

1 Sept

LHR06:15London Heathrow

18h 30m

2 stops

EYW19:45Key West

£645

American Airlines flights from Key West to London

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

American Airlines

18 Aug

EYW16:57Key West

13h 18m

1 stop

LHR11:15London Heathrow

1 Sept

LHR06:15London Heathrow

17h 16m

2 stops

EYW18:31Key West

£641

American Airlines

15 Aug

EYW20:09Key West

17h 46m

2 stops

LHR18:55London Heathrow

1 Sept

LHR09:55London Heathrow

13h 36m

1 stop

EYW18:31Key West

£811

American Airlines

15 Aug

EYW19:15Key West

30h 40m

1 stop

LHR06:55London Heathrow

1 Sept

LHR09:55London Heathrow

13h 36m

1 stop

EYW18:31Key West

£812

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 18/8

07:40-06:25

1 stop17h 45m

London Heathrow

Tue 1/9

06:30-19:45

2 stops18h 15m

£639

Fastest return journey

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 18/8

16:57-11:15

1 stop13h 18m

London Heathrow

Tue 1/9

06:15-18:31

2 stops17h 16m

£641

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 18/8

07:40-08:50

2 stops20h 10m

London Heathrow

Tue 1/9

06:30-19:45

2 stops18h 15m

£642

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 19/8

14:20-07:15

1 stop11h 55m

London Heathrow

Tue 1/9

06:50-13:29

2 stops35h 39m

£643

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 16/8

13:57-13:15

1 stop18h 18m

London Heathrow

Tue 1/9

06:15-19:45

2 stops18h 30m

£645

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 19/8

14:20-10:40

2 stops15h 20m

London Heathrow

Tue 1/9

06:50-13:29

2 stops35h 39m

£646

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 17/8

07:40-07:15

2 stops18h 35m

London Heathrow

Tue 1/9

06:15-17:14

2 stops15h 59m

£648

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

14:30-20:35

1 stop26h 05m

London Heathrow

Fri 30/10

13:00-16:06

2 stops55h 06m

£653

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

14:30-21:20

1 stop26h 50m

London Heathrow

Fri 30/10

13:00-16:06

2 stops55h 06m

£654

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

14:30-08:25

1 stop13h 55m

London Heathrow

Fri 30/10

18:00-13:02

1 stop23h 02m

£660

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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?

Brussels Airlines, British Airways, and Delta 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

Fastest flight time	15h 03m
Direct flights	None

The fastest flight from Key West to London takes 15h 03m

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 15h 03m.
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

Milton Keynes

Luton

Gatwick

Wembley

Slough

Maidstone

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Dover

Chichester

Bedford

Harlow

Ramsgate

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 9/6

Tue 16/6

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Key West to London from £559

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from Key West to London

Cheap return flights

Cheap one-way flights

Delta flights from Key West to London

Our best Delta deals on Key West to London flight tickets

American Airlines flights from Key West to London

Our best American Airlines 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.

See travel insights to London from

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

Find info about flight duration, direct flights, and airports for your flight from Key West to London

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.

Popular Cities in the United Kingdom

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

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year