When did momondo last update prices for flights from Key West Airport to London Heathrow Airport?

Prices for flights from Key West Airport to London Heathrow Airport refresh daily.

How old do you have to be to fly from Key West Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow Airport 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.

£242 Cheap Flights from Key West to London Heathrow Airport in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Key West to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:43 - 11:30

EYW

LHR

17h 47m

1 stop

18:45 - 19:29

LHR

EYW

29h 44m

2 stops

£621British Airways

Tue, 27 Oct - Tue, 3 Nov

13:43 - 11:30

EYW

LHR

17h 47m

1 stop

18:45 - 19:29

LHR

EYW

29h 44m

2 stops

£622British Airways

Tue, 27 Oct - Tue, 3 Nov

20:03 - 22:10

EYW

LHR

22h 07m

2 stops

06:00 - 19:29

LHR

EYW

18h 29m

2 stops

£637British Airways

Tue, 27 Oct - Tue, 3 Nov

20:03 - 12:05

EYW

LHR

12h 02m

1 stop

09:45 - 19:29

LHR

EYW

14h 44m

1 stop

£641British Airways

Tue, 27 Oct - Tue, 3 Nov

20:03 - 12:05

EYW

LHR

12h 02m

1 stop

09:45 - 19:29

LHR

EYW

14h 44m

1 stop

£642British Airways

Tue, 27 Oct - Tue, 3 Nov

11:43 - 06:50

EYW

LHR

15h 07m

2 stops

06:20 - 19:51

LHR

EYW

18h 31m

2 stops

£658Virgin Atlantic

Tue, 27 Oct - Tue, 3 Nov

13:49 - 06:55

EYW

LHR

12h 06m

1 stop

17:10 - 18:31

LHR

EYW

30h 21m

2 stops

£704British Airways

Wed, 19 Aug - Mon, 24 Aug

14:15 - 11:55

EYW

LHR

16h 40m

2 stops

11:05 - 13:29

LHR

EYW

55h 24m

2 stops

£711United Airlines

Wed, 19 Aug - Mon, 24 Aug

13:49 - 22:15

EYW

LHR

27h 26m

2 stops

20:00 - 18:31

LHR

EYW

27h 31m

2 stops

£717Multiple Airlines

Wed, 19 Aug - Mon, 24 Aug

13:59 - 13:15

EYW

LHR

18h 16m

1 stop

06:30 - 19:57

LHR

EYW

18h 27m

2 stops

£731KLM

Tue, 18 Aug - Sun, 30 Aug

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KLM flights from Key West to London Heathrow Airport

Our best KLM deals on Key West to London Heathrow Airport flight tickets

KLM

18 Aug

EYW13:59Key West

18h 16m

1 stop

LHR13:15London Heathrow

30 Aug

LHR06:30London Heathrow

18h 27m

2 stops

EYW19:57Key West

£731

KLM

15 Aug

EYW07:40Key West

24h 35m

1 stop

LHR13:15London Heathrow

23 Aug

LHR08:40London Heathrow

37h 40m

2 stops

EYW17:20Key West

£763

KLM

22 Aug

EYW16:00Key West

16h 15m

1 stop

LHR13:15London Heathrow

29 Aug

LHR06:30London Heathrow

18h 27m

2 stops

EYW19:57Key West

£768

Delta flights from Key West to London Heathrow Airport

Our best Delta deals on Key West to London Heathrow Airport flight tickets

Delta

23 Aug

EYW07:40Key West

21h 40m

2 stops

LHR10:20London Heathrow

1 Sept

LHR06:30London Heathrow

18h 27m

2 stops

EYW19:57Key West

£697

Delta

18 Aug

EYW07:40Key West

18h 30m

2 stops

LHR07:10London Heathrow

30 Aug

LHR06:30London Heathrow

15h 50m

2 stops

EYW17:20Key West

£734

Delta

22 Aug

EYW16:00Key West

15h 05m

2 stops

LHR12:05London Heathrow

29 Aug

LHR06:30London Heathrow

18h 27m

2 stops

EYW19:57Key West

£772

momondo Fare Finder

Use the filters below to find and compare flights from Key West to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

13:43-11:30

1 stop17h 47m

London Heathrow

Tue 3/11

18:45-19:29

2 stops29h 44m

£621

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

13:43-11:30

1 stop17h 47m

London Heathrow

Tue 3/11

18:45-19:29

2 stops29h 44m

£622

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

20:03-22:10

2 stops22h 07m

London Heathrow

Tue 3/11

06:00-19:29

2 stops18h 29m

£637

Fastest return journey

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

20:03-12:05

1 stop12h 02m

London Heathrow

Tue 3/11

09:45-19:29

1 stop14h 44m

£641

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

20:03-12:05

1 stop12h 02m

London Heathrow

Tue 3/11

09:45-19:29

1 stop14h 44m

£642

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 27/10

11:43-06:50

2 stops15h 07m

London Heathrow

Tue 3/11

06:20-19:51

2 stops18h 31m

£658

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 19/8

13:49-06:55

1 stop12h 06m

London Heathrow

Mon 24/8

17:10-18:31

2 stops30h 21m

£704

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 19/8

14:15-11:55

2 stops16h 40m

London Heathrow

Mon 24/8

11:05-13:29

2 stops55h 24m

£711

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 19/8

13:49-22:15

2 stops27h 26m

London Heathrow

Mon 24/8

20:00-18:31

2 stops27h 31m

£717

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 18/8

13:59-13:15

1 stop18h 16m

London Heathrow

Sun 30/8

06:30-19:57

2 stops18h 27m

£731

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 Heathrow Airport

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 Heathrow?

British Airways, KLM, and Delta are the most popular carriers operating from Key West to London Heathrow

When to book flights from Key West to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Key West to London Heathrow Airport (EYW to LHR) flight deals and tips

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

Fastest flight time	12h 05m
Direct flights	None

The fastest flight from Key West to London Heathrow Airport takes 12h 05m

There are no direct flights from Key West to London Heathrow Airport. There are no popular flight routes from Key West to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Key West to London Heathrow Airport

How far is Key West to London Heathrow by plane?
The distance between Key West and London Heathrow is about 4541.3 mi. A reasonable flight in good conditions will take 12h 05m.
When did momondo last update prices for flights from Key West Airport to London Heathrow Airport?
Prices for flights from Key West Airport to London Heathrow Airport refresh daily.
How old do you have to be to fly from Key West Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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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Folkestone

Canterbury

Poole

Guildford

Hayes

Hastings

Chichester

Why use momondo?

Why should I use momondo to find a flight deal from Key West to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Key West to London for you.

Can I find flights from Key West to London with flexible booking policies on momondo?

Yes. All flights to London from Key West on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Key West to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Key West.

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.