What is the cheapest airline that flies from Key West to London?

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

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.

£278 Cheap Flights from Key West to London in 2025

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Find the cheapest flights from Key West to London

Round-trip

One-way

Cheap return flights

19:28 - 11:40EYW-LHR

35h 12m2 stops

09:45 - 18:38LHR-EYW

13h 53m1 stop

£493British Airways

Find Deal

Thu, 11 Dec - Sun, 14 Dec

17:47 - 09:25EYW-LHR

10h 38m1 stop

19:05 - 19:22LHR-EYW

28h 17m2 stops

£495British Airways

Find Deal

Wed, 8 Oct - Wed, 29 Oct

19:28 - 11:40EYW-LHR

35h 12m2 stops

09:45 - 18:38LHR-EYW

13h 53m1 stop

£501British Airways

Find Deal

Thu, 11 Dec - Sun, 14 Dec

13:25 - 10:35EYW-LHR

16h 10m1 stop

09:45 - 19:22LHR-EYW

13h 37m1 stop

£511British Airways

Find Deal

Wed, 8 Oct - Wed, 29 Oct

15:12 - 16:25EYW-LHR

20h 13m2 stops

16:20 - 14:04LHR-EYW

25h 44m2 stops

£532United Airlines

Find Deal

Wed, 8 Oct - Wed, 29 Oct

12:50 - 11:25EYW-LHR

17h 35m2 stops

08:15 - 11:55LHR-EYW

32h 40m2 stops

£535TAP AIR PORTUGAL

Find Deal

Wed, 26 Nov - Sun, 7 Dec

13:39 - 06:55EYW-LHR

12h 16m1 stop

06:05 - 18:38LHR-EYW

17h 33m2 stops

£570American Airlines

Find Deal

Thu, 27 Nov - Sun, 7 Dec

13:06 - 07:10EYW-LHR

37h 04m2 stops

11:10 - 14:06LHR-EYW

31h 56m2 stops

£576United Airlines

Find Deal

Thu, 27 Nov - Sun, 7 Dec

12:50 - 15:05EYW-LGW

21h 15m2 stops

10:40 - 11:55LGW-EYW

30h 15m2 stops

£870TAP AIR PORTUGAL

Find Deal

Wed, 26 Nov - Sun, 7 Dec

13:25 - 11:30EYW-LHR

17h 05m2 stops

18:30 - 11:53LHR-EYW

46h 23m2 stops

£4,273

Find Deal

Wed, 15 Oct - Wed, 12 Nov

United Airlines flights from Key West to London

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

United Airlines

8 Oct

EYW15:12Key West

20h 13m

2 stops

LHR16:25London Heathrow

29 Oct

LHR16:20London Heathrow

25h 44m

2 stops

EYW14:04Key West

£532

Find similar

United Airlines

27 Nov

EYW13:06Key West

37h 04m

2 stops

LHR07:10London Heathrow

7 Dec

LHR11:10London Heathrow

31h 56m

2 stops

EYW14:06Key West

£576

Find similar

United Airlines

8 Oct

EYW15:12Key West

16h 38m

2 stops

LHR12:50London Heathrow

29 Oct

LHR13:25London Heathrow

28h 39m

3 stops

EYW14:04Key West

£596

Find similar

British Airways flights from Key West to London

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

British Airways

11 Dec

EYW19:28Key West

35h 12m

2 stops

LHR11:40London Heathrow

14 Dec

LHR09:45London Heathrow

13h 53m

1 stop

EYW18:38Key West

£493

Find similar

British Airways

8 Oct

EYW17:47Key West

10h 38m

1 stop

LHR09:25London Heathrow

29 Oct

LHR19:05London Heathrow

28h 17m

2 stops

EYW19:22Key West

£495

Find similar

British Airways

11 Dec

EYW19:28Key West

35h 12m

2 stops

LHR11:40London Heathrow

14 Dec

LHR09:45London Heathrow

13h 53m

1 stop

EYW18:38Key West

£501

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 11/12

19:28-11:40

2 stops35h 12m

London Heathrow

Sun 14/12

09:45-18:38

1 stop13h 53m

£493

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 8/10

17:47-09:25

1 stop10h 38m

London Heathrow

Wed 29/10

19:05-19:22

2 stops28h 17m

£495

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 11/12

19:28-11:40

2 stops35h 12m

London Heathrow

Sun 14/12

09:45-18:38

1 stop13h 53m

£501

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 8/10

13:25-10:35

1 stop16h 10m

London Heathrow

Wed 29/10

09:45-19:22

1 stop13h 37m

£511

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 8/10

15:12-16:25

2 stops20h 13m

London Heathrow

Wed 29/10

16:20-14:04

2 stops25h 44m

£532

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 26/11

12:50-11:25

2 stops17h 35m

London Heathrow

Sun 7/12

08:15-11:55

2 stops32h 40m

£535

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 27/11

13:39-06:55

1 stop12h 16m

London Heathrow

Sun 7/12

06:05-18:38

2 stops17h 33m

£570

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 27/11

13:06-07:10

2 stops37h 04m

London Heathrow

Sun 7/12

11:10-14:06

2 stops31h 56m

£576

Key WestLondon

EYW - LGW

EYWLGW

Key West

Wed 26/11

12:50-15:05

2 stops21h 15m

London Gatwick

Sun 7/12

10:40-11:55

2 stops30h 15m

£870

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 15/10

13:25-11:30

2 stops17h 05m

London Heathrow

Wed 12/11

18:30-11:53

2 stops46h 23m

£4,273

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

Prices

Airlines

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 £576. 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 £1,163.

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	£278
Fastest flight time	10h 38m
Direct flights	None
Airports in London	2 airports

The best one-way flight to London from Key West in the past 72 hours is £278. The best return flight deal from Key West to London found on momondo in the last 72 hours is £493.

The fastest flight from Key West to London takes 10h 38m

There are no direct flights from Key West to London. Popular non-direct routes for this connection are Key West Airport - London Heathrow Airport and Key West Airport - London Gatwick Airport.

There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

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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 10h 38m.
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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Chelmsford

Hayes

Folkestone

Bedford

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.