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.

£392 Cheap Flights from Key West to London in 2025/26

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0 bags

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Find the cheapest flights from Key West to London

Round-trip

One-way

Cheap return flights

13:59 - 12:05EYW-LHR

18h 06m1 stop

14:30 - 23:59LHR-EYW

13h 29m1 stop

£531British Airways

Find Deal

Fri, 13 Mar - Sun, 22 Mar

20:01 - 12:05EYW-LHR

12h 04m1 stop

11:40 - 23:59LHR-EYW

16h 19m2 stops

£569American Airlines

Find Deal

Fri, 13 Mar - Sun, 22 Mar

12:07 - 11:25EYW-LHR

19h 18m2 stops

08:15 - 11:22LHR-EYW

31h 07m2 stops

£638TAP AIR PORTUGAL

Find Deal

Fri, 13 Mar - Sun, 22 Mar

13:06 - 10:00EYW-LGW

16h 54m1 stop

07:00 - 12:26LGW-EYW

33h 26m2 stops

£820

Find Deal

Fri, 13 Mar - Sun, 22 Mar

12:22 - 11:20EYW-LHR

17h 58m2 stops

16:20 - 11:41LHR-EYW

24h 21m1 stop

£865United Airlines

Find Deal

Thu, 18 Dec - Sat, 27 Dec

12:22 - 11:20EYW-LHR

17h 58m2 stops

16:20 - 17:13LHR-EYW

29h 53m2 stops

£879United Airlines

Find Deal

Thu, 18 Dec - Sat, 27 Dec

13:46 - 06:50EYW-LHR

12h 04m1 stop

09:45 - 19:22LHR-EYW

14h 37m1 stop

£907British Airways

Find Deal

Thu, 18 Dec - Sat, 27 Dec

12:07 - 15:45EYW-LGW

23h 38m2 stops

10:40 - 11:22LGW-EYW

28h 42m2 stops

£1,167TAP AIR PORTUGAL

Find Deal

Fri, 13 Mar - Sun, 22 Mar

British Airways flights from Key West to London

Our best British Airways deals on Key West to London flight tickets

British Airways

13 Mar

EYW13:59Key West

18h 06m

1 stop

LHR12:05London Heathrow

22 Mar

LHR14:30London Heathrow

13h 29m

1 stop

EYW23:59Key West

£531

Find similar

British Airways

18 Dec

EYW13:46Key West

12h 04m

1 stop

LHR06:50London Heathrow

27 Dec

LHR09:45London Heathrow

14h 37m

1 stop

EYW19:22Key West

£907

Find similar

British Airways

24 Sept

EYW13:59Key West

11h 56m

1 stop

LHR06:55London Heathrow

9 Oct

LHR13:40London Heathrow

32h 36m

1 stop

EYW17:16Key West

£5,721

Find similar

TAP AIR PORTUGAL flights from Key West to London

Our best TAP AIR PORTUGAL deals on Key West to London flight tickets

TAP AIR PORTUGAL

13 Mar

EYW12:07Key West

19h 18m

2 stops

LHR11:25London Heathrow

22 Mar

LHR08:15London Heathrow

31h 07m

2 stops

EYW11:22Key West

£638

Find similar

TAP AIR PORTUGAL

13 Mar

EYW12:07Key West

23h 38m

2 stops

LGW15:45London Gatwick

22 Mar

LGW10:40London Gatwick

28h 42m

2 stops

EYW11:22Key West

£1,167

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 13/3

13:59-12:05

1 stop18h 06m

London Heathrow

Sun 22/3

14:30-23:59

1 stop13h 29m

£531

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 13/3

20:01-12:05

1 stop12h 04m

London Heathrow

Sun 22/3

11:40-23:59

2 stops16h 19m

£569

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 13/3

12:07-11:25

2 stops19h 18m

London Heathrow

Sun 22/3

08:15-11:22

2 stops31h 07m

£638

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 13/3

13:06-10:00

1 stop16h 54m

London Gatwick

Sun 22/3

07:00-12:26

2 stops33h 26m

£820

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 18/12

12:22-11:20

2 stops17h 58m

London Heathrow

Sat 27/12

16:20-11:41

1 stop24h 21m

£865

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 18/12

12:22-11:20

2 stops17h 58m

London Heathrow

Sat 27/12

16:20-17:13

2 stops29h 53m

£879

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 18/12

13:46-06:50

1 stop12h 04m

London Heathrow

Sat 27/12

09:45-19:22

1 stop14h 37m

£907

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 13/3

12:07-15:45

2 stops23h 38m

London Gatwick

Sun 22/3

10:40-11:22

2 stops28h 42m

£1,167

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 day to depart on your flight to London?

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £574. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Key West to London for around £1,160.

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

Direct flights	None

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

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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 12h 04m.
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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Slough

Canterbury

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Ipswich

Ilford

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Colchester

Worthing

Dover

Chelmsford

Hayes

Dartford

Winchester

Hounslow

Stansted

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.