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 are updated daily.

How many operators does momondo search for flights from Key West Airport to United Kingdom?

The number of operators available for flights from Key West Airport to United Kingdom is 1 as of September 2026.

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.

£197 Cheap Flights from Key West to the United Kingdom in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Key West to the United Kingdom

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:59 - 10:00EYW Key West-LGW London Gatwick

18h 01m1 stop Orlando

14:00 - 12:47LGW London Gatwick-EYW Key West

27h 47m1 stop Orlando

£513Multiple Airlines

Thu, 1 Oct - Wed, 7 Oct

10:59 - 10:00EYW Key West-LGW London Gatwick

18h 01m1 stop Orlando

12:35 - 10:19LGW London Gatwick-EYW Key West

25h 44m1 stop Orlando

£568Multiple Airlines

Sun, 18 Oct - Sun, 25 Oct

15:04 - 08:25EYW Key West-LHR London Heathrow

12h 21m1 stop Newark

18:00 - 12:15LHR London Heathrow-EYW Key West

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

£660United Airlines

Wed, 20 Jan - Fri, 22 Jan

17:51 - 12:00EYW Key West-LHR London Heathrow

13h 09m1 stop Chicago O'Hare Intl

18:00 - 12:15LHR London Heathrow-EYW Key West

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

£661United Airlines

Wed, 20 Jan - Fri, 22 Jan

15:04 - 08:25EYW Key West-LHR London Heathrow

12h 21m1 stop Newark

18:00 - 12:15LHR London Heathrow-EYW Key West

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

£661United Airlines

Wed, 20 Jan - Fri, 22 Jan

18:27 - 12:10EYW Key West-LHR London Heathrow

12h 43m1 stop Charlotte Douglas

08:15 - 18:49LHR London Heathrow-EYW Key West

15h 34m2 stops Dublin Charlotte Douglas

£667American Airlines

Thu, 1 Oct - Wed, 7 Oct

15:04 - 10:25EYW Key West-LHR London Heathrow

14h 21m1 stop Newark

07:40 - 17:10LHR London Heathrow-EYW Key West

14h 30m1 stop Chicago O'Hare Intl

£671United Airlines

Wed, 20 Jan - Fri, 22 Jan

15:04 - 10:25EYW Key West-LHR London Heathrow

14h 21m1 stop Newark

07:40 - 17:10LHR London Heathrow-EYW Key West

14h 30m1 stop Chicago O'Hare Intl

£672United Airlines

Wed, 20 Jan - Fri, 22 Jan

14:56 - 08:30EYW Key West-GLA Glasgow Intl

36h 34m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:40 - 17:11GLA Glasgow Intl-EYW Key West

35h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£692Delta

Mon, 28 Dec - Thu, 7 Jan

14:56 - 08:30EYW Key West-GLA Glasgow Intl

36h 34m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

10:40 - 13:37GLA Glasgow Intl-EYW Key West

55h 57m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£696Delta

Mon, 28 Dec - Wed, 6 Jan

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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

1 Oct

EYW18:27Key West

12h 43m

1 stop

LHR12:10London Heathrow

7 Oct

LHR08:15London Heathrow

15h 34m

2 stops

EYW18:49Key West

£666

American Airlines

1 Oct

EYW14:15Key West

11h 40m

1 stop

LHR06:55London Heathrow

7 Oct

LHR09:15London Heathrow

14h 34m

1 stop

EYW18:49Key West

£693

American Airlines

26 Dec

EYW17:56Key West

15h 54m

2 stops

GLA14:50Glasgow Intl

7 Jan

GLA12:40Glasgow Intl

33h 42m

2 stops

EYW17:22Key West

£940

Virgin Atlantic flights from Key West to United Kingdom

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

Virgin Atlantic

16 Oct

EYW14:00Key West

11h 25m

1 stop

LHR06:25London Heathrow

23 Oct

LHR06:30London Heathrow

18h 31m

2 stops

EYW20:01Key West

£678

Virgin Atlantic

18 Oct

EYW11:51Key West

13h 34m

1 stop

LHR06:25London Heathrow

25 Oct

LHR08:55London Heathrow

15h 06m

1 stop

EYW20:01Key West

£698

Virgin Atlantic

2 Oct

EYW14:00Key West

18h 05m

2 stops

LHR13:05London Heathrow

9 Oct

LHR09:20London Heathrow

15h 41m

1 stop

EYW20:01Key West

£703

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 return flight

Key WestLondon

EYW Key West - LGW London Gatwick

EYWLGW

Key West

Thu 1/10

10:59-10:00

1 stop18h 01m

London Gatwick

Wed 7/10

14:00-12:47

1 stop27h 47m

£513

Key WestLondon

EYW Key West - LGW London Gatwick

EYWLGW

Key West

Sun 18/10

10:59-10:00

1 stop18h 01m

London Gatwick

Sun 25/10

12:35-10:19

1 stop25h 44m

£568

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-08:25

1 stop12h 21m

London Heathrow

Fri 22/1

18:00-12:15

2 stops47h 15m

£660

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

17:51-12:00

1 stop13h 09m

London Heathrow

Fri 22/1

18:00-12:15

2 stops47h 15m

£661

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-08:25

1 stop12h 21m

London Heathrow

Fri 22/1

18:00-12:15

2 stops47h 15m

£661

Fastest return journey

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 1/10

18:27-12:10

1 stop12h 43m

London Heathrow

Wed 7/10

08:15-18:49

2 stops15h 34m

£666

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-10:25

1 stop14h 21m

London Heathrow

Fri 22/1

07:40-17:10

1 stop14h 30m

£671

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 20/1

15:04-10:25

1 stop14h 21m

London Heathrow

Fri 22/1

07:40-17:10

1 stop14h 30m

£672

Key WestGlasgow

EYW Key West - GLA Glasgow Intl

EYWGLA

Key West

Mon 28/12

14:56-08:30

2 stops36h 34m

Glasgow Intl

Thu 7/1

10:40-17:11

2 stops35h 31m

£692

Key WestGlasgow

EYW Key West - GLA Glasgow Intl

EYWGLA

Key West

Mon 28/12

14:56-08:30

2 stops36h 34m

Glasgow Intl

Wed 6/1

10:40-13:37

2 stops55h 57m

£696

Flights are sorted by cheapest return 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 40% 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	£197
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 £197. The best return flight deal from Key West to United Kingdom found on momondo in the last 72 hours is £513.

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 are updated daily.
How many operators does momondo search for flights from Key West Airport to United Kingdom?
The number of operators available for flights from Key West Airport to United Kingdom is 1 as of September 2026.
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.

Best airlines flying from Key West to United Kingdom

Compare and see reviews for airlines that fly from Key West to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom £952	Free Cancellation	Rating 7.8 8,557 reviews		Search Delta flights

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.