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

JetBlue, United Airlines, and TAP AIR PORTUGAL 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.

$290 Cheap Flights from Key West to the United Kingdom in 2026/27

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.

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$816JetBlue

Thu, Dec 3 - Sun, Dec 13

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$817JetBlue

Thu, Dec 3 - Mon, Dec 7

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$837JetBlue

Tue, Dec 1 - Mon, Dec 7

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$845JetBlue

Tue, Dec 1 - Sat, Dec 12

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$846JetBlue

Fri, Dec 4 - Mon, Dec 7

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$847JetBlue

Fri, Dec 4 - Mon, Dec 7

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$857JetBlue

Wed, Dec 2 - Tue, Dec 8

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$858JetBlue

Thu, Dec 3 - Wed, Dec 9

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

7:30 am - 7:30 pmLHR London Heathrow-EYW Key West

17h 00m2 stops Madrid Barajas Miami

$860Multiple Airlines

Tue, Dec 1 - Mon, Dec 7

1:14 pm - 6:55 amEYW Key West-LHR London Heathrow

12h 41m1 stop Boston Logan Intl

9:20 am - 12:23 pmLHR London Heathrow-EYW Key West

32h 03m1 stop Boston Logan Intl

$865JetBlue

Wed, Dec 2 - Fri, Dec 11

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JetBlue flights from Key West to United Kingdom

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

JetBlue

Dec 3

EYW1:14 pmKey West

12h 41m

1 stop

LHR6:55 amLondon Heathrow

Dec 13

LHR9:20 amLondon Heathrow

32h 03m

1 stop

EYW12:23 pmKey West

$816

JetBlue

Dec 3

EYW1:14 pmKey West

12h 41m

1 stop

LHR6:55 amLondon Heathrow

Dec 7

LHR9:20 amLondon Heathrow

32h 03m

1 stop

EYW12:23 pmKey West

$817

JetBlue

Dec 1

EYW1:14 pmKey West

12h 41m

1 stop

LHR6:55 amLondon Heathrow

Dec 7

LHR9:20 amLondon Heathrow

32h 03m

1 stop

EYW12:23 pmKey West

$837

American Airlines flights from Key West to United Kingdom

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

American Airlines

Mar 17

EYW4:45 pmKey West

12h 55m

1 stop

LHR9:40 amLondon Heathrow

Mar 28

LHR8:10 pmLondon Heathrow

19h 52m

2 stops

EYW11:02 amKey West

$963

American Airlines

Dec 7

EYW4:41 pmKey West

14h 24m

1 stop

LHR12:05 pmLondon Heathrow

Dec 14

LHR7:20 pmLondon Heathrow

20h 36m

2 stops

EYW10:56 amKey West

$971

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 - LHR London Heathrow

EYWLHR

Key West

Thu 12/3

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Sun 12/13

9:20 am-12:23 pm

1 stop32h 03m

$816

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 12/3

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Mon 12/7

9:20 am-12:23 pm

1 stop32h 03m

$817

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 12/1

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Mon 12/7

9:20 am-12:23 pm

1 stop32h 03m

$837

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 12/1

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Sat 12/12

9:20 am-12:23 pm

1 stop32h 03m

$845

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Fri 12/4

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Mon 12/7

9:20 am-12:23 pm

1 stop32h 03m

$846

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Fri 12/4

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Mon 12/7

9:20 am-12:23 pm

1 stop32h 03m

$847

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 12/2

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Tue 12/8

9:20 am-12:23 pm

1 stop32h 03m

$857

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 12/3

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Wed 12/9

9:20 am-12:23 pm

1 stop32h 03m

$858

Quickest round-trip

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 12/1

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Mon 12/7

7:30 am-7:30 pm

2 stops17h 00m

$860

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 12/2

1:14 pm-6:55 am

1 stop12h 41m

London Heathrow

Fri 12/11

9:20 am-12:23 pm

1 stop32h 03m

$865

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 14% 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	$290
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to United Kingdom from Key West in the past 72 hours is $290. The best round-trip flight deal from Key West to United Kingdom found on momondo in the last 72 hours is $816.

The fastest flight from Key West to United Kingdom takes 12h 10m

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.