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

KLM, Delta, and United 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 refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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.

$266 Cheap Flights from Key West to the United Kingdom in 2026

Find the cheapest flights from Key West to the United Kingdom

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:59 am - 10:00 amEYW Key West-LGW London Gatwick

18h 01m1 stop Orlando

2:00 pm - 12:47 pmLGW London Gatwick-EYW Key West

27h 47m1 stop Orlando

$694Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

10:59 am - 10:00 amEYW Key West-LGW London Gatwick

18h 01m1 stop Orlando

12:35 pm - 10:19 amLGW London Gatwick-EYW Key West

25h 44m1 stop Orlando

$768Multiple Airlines

Sun, Oct 18 - Sun, Oct 25

3:04 pm - 8:25 amEYW Key West-LHR London Heathrow

12h 21m1 stop Newark

6:00 pm - 12:15 pmLHR London Heathrow-EYW Key West

47h 15m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$892United Airlines

Wed, Jan 20 - Fri, Jan 22

5:51 pm - 12:00 pmEYW Key West-LHR London Heathrow

13h 09m1 stop Chicago O'Hare Intl

6:00 pm - 12:15 pmLHR London Heathrow-EYW Key West

47h 15m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$893United Airlines

Wed, Jan 20 - Fri, Jan 22

6:27 pm - 12:10 pmEYW Key West-LHR London Heathrow

12h 43m1 stop Charlotte Douglas

8:15 am - 6:49 pmLHR London Heathrow-EYW Key West

15h 34m2 stops Dublin Charlotte Douglas

$901American Airlines

Thu, Oct 1 - Wed, Oct 7

3:04 pm - 10:25 amEYW Key West-LHR London Heathrow

14h 21m1 stop Newark

7:40 am - 5:10 pmLHR London Heathrow-EYW Key West

14h 30m1 stop Chicago O'Hare Intl

$907United Airlines

Wed, Jan 20 - Fri, Jan 22

3:04 pm - 10:25 amEYW Key West-LHR London Heathrow

14h 21m1 stop Newark

7:40 am - 5:10 pmLHR London Heathrow-EYW Key West

14h 30m1 stop Chicago O'Hare Intl

$908United Airlines

Wed, Jan 20 - Fri, Jan 22

12:56 pm - 10:25 amEYW Key West-LHR London Heathrow

16h 29m2 stops Chicago O'Hare Intl Newark

12:00 pm - 12:15 pmLHR London Heathrow-EYW Key West

29h 15m2 stops Newark Chicago O'Hare Intl

$912United Airlines

Wed, Jan 20 - Fri, Jan 22

3:23 pm - 10:00 amEYW Key West-LGW London Gatwick

37h 37m2 stops Asheville Regional Orlando

12:35 pm - 10:19 amLGW London Gatwick-EYW Key West

25h 44m1 stop Orlando

$916Multiple Airlines

Sun, Oct 18 - Sun, Oct 25

2:00 pm - 6:25 amEYW Key West-LHR London Heathrow

11h 25m1 stop Atlanta Hartsfield-Jackson

6:30 am - 8:01 pmLHR London Heathrow-EYW Key West

18h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$917Virgin Atlantic

Fri, Oct 16 - Fri, Oct 23

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American Airlines flights from Key West to United Kingdom

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

American Airlines

Oct 1

EYW6:27 pmKey West

12h 43m

1 stop

LHR12:10 pmLondon Heathrow

Oct 7

LHR8:15 amLondon Heathrow

15h 34m

2 stops

EYW6:49 pmKey West

$901

American Airlines

Oct 1

EYW2:15 pmKey West

11h 40m

1 stop

LHR6:55 amLondon Heathrow

Oct 7

LHR9:15 amLondon Heathrow

14h 34m

1 stop

EYW6:49 pmKey West

$937

American Airlines

Dec 26

EYW5:56 pmKey West

15h 54m

2 stops

GLA2:50 pmGlasgow Intl

Jan 7

GLA12:40 pmGlasgow Intl

33h 42m

2 stops

EYW5:22 pmKey West

$1,271

Virgin Atlantic flights from Key West to United Kingdom

Our best Virgin Atlantic deals on Key West to United Kingdom flight tickets

Virgin Atlantic

Oct 16

EYW2:00 pmKey West

11h 25m

1 stop

LHR6:25 amLondon Heathrow

Oct 23

LHR6:30 amLondon Heathrow

18h 31m

2 stops

EYW8:01 pmKey West

$917

Virgin Atlantic

Oct 18

EYW11:51 amKey West

13h 34m

1 stop

LHR6:25 amLondon Heathrow

Oct 25

LHR8:55 amLondon Heathrow

15h 06m

1 stop

EYW8:01 pmKey West

$944

Virgin Atlantic

Oct 2

EYW2:00 pmKey West

18h 05m

2 stops

LHR1:05 pmLondon Heathrow

Oct 9

LHR9:20 amLondon Heathrow

15h 41m

1 stop

EYW8:01 pmKey West

$950

momondo Fare Finder

Use the filters below to find and compare flights from Key West to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestLondon

EYW Key West - LGW London Gatwick

EYWLGW

Key West

Thu 10/1

10:59 am-10:00 am

1 stop18h 01m

London Gatwick

Wed 10/7

2:00 pm-12:47 pm

1 stop27h 47m

$694

Key WestLondon

EYW Key West - LGW London Gatwick

EYWLGW

Key West

Sun 10/18

10:59 am-10:00 am

1 stop18h 01m

London Gatwick

Sun 10/25

12:35 pm-10:19 am

1 stop25h 44m

$768

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

3:04 pm-8:25 am

1 stop12h 21m

London Heathrow

Fri 1/22

6:00 pm-12:15 pm

2 stops47h 15m

$892

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

5:51 pm-12:00 pm

1 stop13h 09m

London Heathrow

Fri 1/22

6:00 pm-12:15 pm

2 stops47h 15m

$893

Quickest round-trip

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 10/1

6:27 pm-12:10 pm

1 stop12h 43m

London Heathrow

Wed 10/7

8:15 am-6:49 pm

2 stops15h 34m

$901

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

3:04 pm-10:25 am

1 stop14h 21m

London Heathrow

Fri 1/22

7:40 am-5:10 pm

1 stop14h 30m

$907

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

3:04 pm-10:25 am

1 stop14h 21m

London Heathrow

Fri 1/22

7:40 am-5:10 pm

1 stop14h 30m

$908

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

12:56 pm-10:25 am

2 stops16h 29m

London Heathrow

Fri 1/22

12:00 pm-12:15 pm

2 stops29h 15m

$912

Key WestLondon

EYW Key West - LGW London Gatwick

EYWLGW

Key West

Sun 10/18

3:23 pm-10:00 am

2 stops37h 37m

London Gatwick

Sun 10/25

12:35 pm-10:19 am

1 stop25h 44m

$916

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Fri 10/16

2:00 pm-6:25 am

1 stop11h 25m

London Heathrow

Fri 10/23

6:30 am-8:01 pm

2 stops18h 31m

$917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 47% 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

Best Price Found	$266
Fastest flight time	12h 21m
Direct flights	None

The best one-way flight to United Kingdom from Key West in the past 72 hours is $266. The best round-trip flight deal from Key West to United Kingdom found on momondo in the last 72 hours is $694.

The fastest flight from Key West to United Kingdom takes 12h 21m

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 refresh daily.
How old do you have to be to fly from Key West Airport to United Kingdom?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Key West to United Kingdom. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to United Kingdom from Key West with this policy.

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

momondo helps you find the best flight between Key West and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Key West and alert you when they change.