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

British Airways, Delta, and American Airlines are the most popular carriers operating from Key West to United Kingdom

When did momondo last update prices for flights from Key West Airport to United Kingdom?

Prices for flights from Key West Airport to United Kingdom are updated daily.

How old do you have to be to fly from Key West Airport to United Kingdom?

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 United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£591 Cheap Flights from Key West to the United Kingdom in 2026

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 the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:22 - 06:50

EYW

LHR

12h 28m

1 stop

06:10 - 18:24

LHR

EYW

17h 14m

2 stops

£661American Airlines

Tue, 8 Sep - Thu, 8 Oct

11:26 - 06:55

EYW

LHR

14h 29m

1 stop

06:10 - 18:24

LHR

EYW

17h 14m

2 stops

£662American Airlines

Tue, 8 Sep - Thu, 8 Oct

18:00 - 13:15

EYW

LHR

14h 15m

1 stop

11:15 - 19:43

LHR

EYW

13h 28m

1 stop

£677Delta

Tue, 8 Sep - Thu, 8 Oct

07:30 - 16:10

EYW

GLA

27h 40m

2 stops

13:30 - 17:23

GLA

EYW

32h 53m

2 stops

£711Delta

Mon, 25 May - Thu, 4 Jun

16:47 - 06:45

EYW

LHR

32h 58m

2 stops

16:40 - 13:30

LHR

EYW

25h 50m

2 stops

£726United Airlines

Sat, 9 May - Wed, 20 May

15:58 - 22:45

EYW

LHR

25h 47m

2 stops

18:45 - 22:58

LHR

EYW

33h 13m

2 stops

£731British 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

£736KLM

Mon, 4 May - Mon, 11 May

16:47 - 11:35

EYW

LHR

13h 48m

1 stop

08:00 - 15:07

LHR

EYW

36h 07m

1 stop

£765United Airlines

Mon, 4 May - Mon, 11 May

15:58 - 10:50

EYW

LGW

37h 52m

2 stops

20:40 - 22:58

LGW

EYW

31h 18m

2 stops

£769British Airways

Mon, 4 May - Mon, 11 May

07:33 - 06:25

EYW

LHR

17h 52m

1 stop

06:30 - 17:23

LHR

EYW

15h 53m

2 stops

£778KLM

Mon, 27 Apr - Tue, 5 May

American Airlines flights from Key West to United Kingdom

Our best American Airlines deals on Key West to United Kingdom flight tickets

American Airlines

8 Sept

EYW13:22Key West

12h 28m

1 stop

LHR06:50London Heathrow

8 Oct

LHR06:10London Heathrow

17h 14m

2 stops

EYW18:24Key West

£661

American Airlines

8 Sept

EYW11:26Key West

14h 29m

1 stop

LHR06:55London Heathrow

8 Oct

LHR06:10London Heathrow

17h 14m

2 stops

EYW18:24Key West

£662

American Airlines

8 Sept

EYW13:22Key West

12h 28m

1 stop

LHR06:50London Heathrow

8 Oct

LHR09:55London Heathrow

13h 29m

1 stop

EYW18:24Key West

£678

British Airways flights from Key West to United Kingdom

Our best British Airways deals on Key West to United Kingdom flight tickets

British Airways

4 May

EYW15:58Key West

25h 47m

2 stops

LHR22:45London Heathrow

11 May

LHR18:45London Heathrow

33h 13m

2 stops

EYW22:58Key West

£731

British Airways

4 May

EYW15:58Key West

37h 52m

2 stops

LGW10:50London Gatwick

11 May

LGW20:40London Gatwick

31h 18m

2 stops

EYW22:58Key West

£769

British Airways

27 Apr

EYW11:24Key West

18h 41m

1 stop

LHR11:05London Heathrow

5 May

LHR15:00London Heathrow

12h 58m

1 stop

EYW22:58Key West

£795

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

13:22-06:50

1 stop12h 28m

London Heathrow

Thu 8/10

06:10-18:24

2 stops17h 14m

£661

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

11:26-06:55

1 stop14h 29m

London Heathrow

Thu 8/10

06:10-18:24

2 stops17h 14m

£662

Fastest return journey

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 8/9

18:00-13:15

1 stop14h 15m

London Heathrow

Thu 8/10

11:15-19:43

1 stop13h 28m

£677

Key WestGlasgow

EYW - GLA

EYWGLA

Key West

Mon 25/5

07:30-16:10

2 stops27h 40m

Glasgow Intl

Thu 4/6

13:30-17:23

2 stops32h 53m

£711

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 9/5

16:47-06:45

2 stops32h 58m

London Heathrow

Wed 20/5

16:40-13:30

2 stops25h 50m

£726

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

£731

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

£736

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

£765

Key WestLondon

EYW - LGW

EYWLGW

Key West

Mon 4/5

15:58-10:50

2 stops37h 52m

London Gatwick

Mon 11/5

20:40-22:58

2 stops31h 18m

£769

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 27/4

07:33-06:25

1 stop17h 52m

London Heathrow

Tue 5/5

06:30-17:23

2 stops15h 53m

£778

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Key West to United Kingdom

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

Can stopping save me money on Key West to United Kingdom flights?

You could potentially save up to 4% on your flight if you consider stops on a Key West to United Kingdom flight.

Cheap Key West to United Kingdom flight deals and tips

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

Fastest flight time	13h 00m
Direct flights	None

The fastest flight from Key West to United Kingdom takes 13h 00m

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

Search flight deals

Frequently asked questions about flying from Key West to the United Kingdom

When did momondo last update prices for flights from Key West Airport to United Kingdom?
Prices for flights from Key West Airport to United Kingdom are updated daily.
How old do you have to be to fly from Key West Airport to United Kingdom?
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 United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Key West.

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

Flights from Key West to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to United Kingdom from Key West. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Key West to United Kingdom right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Key West to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.