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

KLM is the most popular carrier 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.

£215 Cheap Flights from Key West to the United Kingdom in 2025/26

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Find the cheapest flights from Key West to the United Kingdom

Round-trip

One-way

Cheap return flights

07:40 - 07:15EYW-LHR

18h 35m1 stop

20:10 - 20:06LHR-EYW

28h 56m2 stops

£393Delta

Find Deal

Mon, 13 Oct - Wed, 22 Oct

07:40 - 06:25EYW-LHR

17h 45m2 stops

12:25 - 11:27LHR-EYW

28h 02m2 stops

£474Delta

Find Deal

Mon, 13 Oct - Wed, 22 Oct

12:45 - 21:35EYW-LHR

27h 50m2 stops

19:55 - 11:53LHR-EYW

44h 58m2 stops

£644TAP AIR PORTUGAL

Find Deal

Sun, 2 Nov - Sat, 8 Nov

12:45 - 06:55EYW-LHR

13h 10m1 stop

09:20 - 11:53LHR-EYW

31h 33m1 stop

£648JetBlue

Find Deal

Sun, 2 Nov - Sat, 8 Nov

13:57 - 09:00EYW-LHR

14h 03m1 stop

06:05 - 19:23LHR-EYW

18h 18m2 stops

£650Multiple Airlines

Find Deal

Sun, 2 Nov - Sat, 8 Nov

12:45 - 06:55EYW-LHR

13h 10m1 stop

09:20 - 11:53LHR-EYW

31h 33m1 stop

£651JetBlue

Find Deal

Sun, 2 Nov - Sat, 8 Nov

12:45 - 12:40EYW-LHR

18h 55m2 stops

19:55 - 11:53LHR-EYW

44h 58m2 stops

£670TAP AIR PORTUGAL

Find Deal

Sun, 2 Nov - Sat, 8 Nov

08:55 - 06:50EYW-LHR

40h 55m2 stops

10:45 - 20:06LHR-EYW

14h 21m1 stop

£695Multiple Airlines

Find Deal

Sun, 2 Nov - Sat, 8 Nov

16:03 - 12:05EYW-LHR

15h 02m1 stop

09:45 - 17:44LHR-EYW

12h 59m1 stop

£856British Airways

Find Deal

Thu, 18 Dec - Sat, 27 Dec

19:52 - 06:55EYW-LHR

30h 03m1 stop

09:55 - 17:16LHR-EYW

12h 21m1 stop

£4,877British Airways

Find Deal

Mon, 13 Oct - Wed, 22 Oct

Delta flights from Key West to United Kingdom

Our best Delta deals on Key West to United Kingdom flight tickets

Delta

13 Oct

EYW07:40Key West

18h 35m

1 stop

LHR07:15London Heathrow

22 Oct

LHR20:10London Heathrow

28h 56m

2 stops

EYW20:06Key West

£393

Find similar

Delta

13 Oct

EYW07:40Key West

17h 45m

2 stops

LHR06:25London Heathrow

22 Oct

LHR12:25London Heathrow

28h 02m

2 stops

EYW11:27Key West

£474

Find similar

British Airways flights from Key West to United Kingdom

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

British Airways

18 Dec

EYW16:03Key West

15h 02m

1 stop

LHR12:05London Heathrow

27 Dec

LHR09:45London Heathrow

12h 59m

1 stop

EYW17:44Key West

£856

Find similar

British Airways

13 Oct

EYW19:52Key West

30h 03m

1 stop

LHR06:55London Heathrow

22 Oct

LHR09:55London Heathrow

12h 21m

1 stop

EYW17:16Key West

£4,877

Find similar

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

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 13/10

07:40-07:15

1 stop18h 35m

London Heathrow

Wed 22/10

20:10-20:06

2 stops28h 56m

£393

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 13/10

07:40-06:25

2 stops17h 45m

London Heathrow

Wed 22/10

12:25-11:27

2 stops28h 02m

£474

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/11

12:45-21:35

2 stops27h 50m

London Heathrow

Sat 8/11

19:55-11:53

2 stops44h 58m

£644

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/11

12:45-06:55

1 stop13h 10m

London Heathrow

Sat 8/11

09:20-11:53

1 stop31h 33m

£648

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/11

13:57-09:00

1 stop14h 03m

London Heathrow

Sat 8/11

06:05-19:23

2 stops18h 18m

£650

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/11

12:45-06:55

1 stop13h 10m

London Heathrow

Sat 8/11

09:20-11:53

1 stop31h 33m

£651

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/11

12:45-12:40

2 stops18h 55m

London Heathrow

Sat 8/11

19:55-11:53

2 stops44h 58m

£670

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/11

08:55-06:50

2 stops40h 55m

London Heathrow

Sat 8/11

10:45-20:06

1 stop14h 21m

£695

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 18/12

16:03-12:05

1 stop15h 02m

London Heathrow

Sat 27/12

09:45-17:44

1 stop12h 59m

£856

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 13/10

19:52-06:55

1 stop30h 03m

London Heathrow

Wed 22/10

09:55-17:16

1 stop12h 21m

£4,877

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Key West to United Kingdom is on a Sunday. Travellers who choose to depart for United Kingdom on a Sunday will often find tickets for as low as £571. 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 United Kingdom for around £1,153.

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

Direct flights	None

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

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.