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.

£590 Cheap Flights from Key West to London Heathrow Airport in 2026

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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.

16:20 - 09:05

EYW

LHR

11h 45m

1 stop

08:15 - 21:53

LHR

EYW

18h 38m

2 stops

£725American Airlines

Thu, 7 May - Tue, 12 May

15:58 - 22:45

EYW

LHR

25h 47m

2 stops

18:45 - 22:58

LHR

EYW

33h 13m

2 stops

£729British Airways

Mon, 4 May - Mon, 11 May

07:33 - 06:25

EYW

LHR

17h 52m

1 stop

20:55 - 17:23

LHR

EYW

25h 28m

2 stops

£735KLM

Mon, 4 May - Mon, 11 May

15:58 - 12:35

EYW

LHR

15h 37m

1 stop

16:35 - 13:27

LHR

EYW

25h 52m

1 stop

£752Multiple Airlines

Thu, 7 May - Tue, 12 May

15:58 - 11:05

EYW

LHR

14h 07m

1 stop

09:15 - 22:36

LHR

EYW

18h 21m

1 stop

£759American Airlines

Sat, 9 May - Wed, 20 May

16:47 - 11:35

EYW

LHR

13h 48m

1 stop

08:00 - 15:07

LHR

EYW

36h 07m

1 stop

£764United Airlines

Mon, 4 May - Mon, 11 May

11:48 - 12:35

EYW

LHR

19h 47m

2 stops

06:15 - 19:49

LHR

EYW

18h 34m

2 stops

£776Virgin Atlantic

Thu, 21 May - Thu, 28 May

18:19 - 13:15

EYW

LHR

13h 56m

1 stop

06:15 - 19:49

LHR

EYW

18h 34m

2 stops

£779Virgin Atlantic

Thu, 21 May - Thu, 28 May

18:19 - 11:20

EYW

LHR

12h 01m

1 stop

11:15 - 19:49

LHR

EYW

13h 34m

1 stop

£789Virgin Atlantic

Thu, 21 May - Thu, 28 May

11:24 - 06:55

EYW

LHR

14h 31m

1 stop

08:15 - 18:49

LHR

EYW

15h 34m

2 stops

£791American Airlines

Sun, 17 May - Sun, 24 May

Delta flights from Key West to London Heathrow Airport

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

Delta

13 Jul

EYW07:45Key West

18h 30m

2 stops

LHR07:15London Heathrow

22 Jul

LHR16:20London Heathrow

26h 09m

2 stops

EYW13:29Key West

£856

Delta

13 Jul

EYW07:45Key West

18h 25m

2 stops

LHR07:10London Heathrow

22 Jul

LHR16:20London Heathrow

26h 09m

2 stops

EYW13:29Key West

£857

Delta

26 May

EYW07:30Key West

18h 45m

1 stop

LHR07:15London Heathrow

2 Jun

LHR06:15London Heathrow

18h 34m

2 stops

EYW19:49Key West

£884

United Airlines flights from Key West to London Heathrow Airport

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

United Airlines

4 May

EYW16:47Key West

13h 48m

1 stop

LHR11:35London Heathrow

11 May

LHR08:00London Heathrow

36h 07m

1 stop

EYW15:07Key West

£764

United Airlines

17 May

EYW14:49Key West

34h 41m

2 stops

LHR06:30London Heathrow

24 May

LHR06:50London Heathrow

37h 17m

2 stops

EYW15:07Key West

£825

United Airlines

16 Jun

EYW14:26Key West

11h 49m

1 stop

LHR07:15London Heathrow

17 Jul

LHR11:05London Heathrow

33h 02m

1 stop

EYW15:07Key West

£1,038

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

Thu 7/5

16:20-09:05

1 stop11h 45m

London Heathrow

Tue 12/5

08:15-21:53

2 stops18h 38m

£725

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/5

15:58-22:45

2 stops25h 47m

London Heathrow

Mon 11/5

18:45-22:58

2 stops33h 13m

£729

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/5

07:33-06:25

1 stop17h 52m

London Heathrow

Mon 11/5

20:55-17:23

2 stops25h 28m

£735

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 7/5

15:58-12:35

1 stop15h 37m

London Heathrow

Tue 12/5

16:35-13:27

1 stop25h 52m

£752

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 9/5

15:58-11:05

1 stop14h 07m

London Heathrow

Wed 20/5

09:15-22:36

1 stop18h 21m

£759

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/5

16:47-11:35

1 stop13h 48m

London Heathrow

Mon 11/5

08:00-15:07

1 stop36h 07m

£764

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 21/5

11:48-12:35

2 stops19h 47m

London Heathrow

Thu 28/5

06:15-19:49

2 stops18h 34m

£776

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 21/5

18:19-13:15

1 stop13h 56m

London Heathrow

Thu 28/5

06:15-19:49

2 stops18h 34m

£779

Fastest return journey

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 21/5

18:19-11:20

1 stop12h 01m

London Heathrow

Thu 28/5

11:15-19:49

1 stop13h 34m

£789

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 17/5

11:24-06:55

1 stop14h 31m

London Heathrow

Sun 24/5

08:15-18:49

2 stops15h 34m

£791

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 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	16h 41m
Direct flights	None

The fastest flight from Key West to London Heathrow Airport takes 16h 41m

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.

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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 16h 41m.
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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Luton

Gatwick

Stratford-upon-Avon

Slough

Maidstone

Northampton

Swindon

Wembley

Southend-on-Sea

Ipswich

Canterbury

Ilford

Guildford

Hayes

Poole

Chelmsford

Dover

Folkestone

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.