Which airport is the most popular layover for flights between Key West and London?

Atlanta (ATL) was the most common stop: 79% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Key West to London?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 11h 06m.

Which layover airport offers the lowest fares from Key West to London?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $11,438.

Which layover airport has the shortest connection time from Key West to London?

Charlotte (CLT) has the shortest average layover time for this route: 1h 39m.

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

Delta, Virgin Atlantic, and British Airways are the most popular carriers operating from Key West to London

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

Prices for flights from Key West Airport to London are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$376 Cheap Flights from Key West to London in 2025

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Find the cheapest flights from Key West to London

Round-trip

One-way

Cheap round-trip flights

7:28 pm - 11:40 amEYW-LHR

35h 12m2 stops

9:45 am - 6:38 pmLHR-EYW

13h 53m1 stop

$667British Airways

Find Deal

Thu, Dec 11 - Sun, Dec 14

5:47 pm - 9:25 amEYW-LHR

10h 38m1 stop

7:05 pm - 7:22 pmLHR-EYW

28h 17m2 stops

$670British Airways

Find Deal

Wed, Oct 8 - Wed, Oct 29

1:25 pm - 10:35 amEYW-LHR

16h 10m1 stop

9:45 am - 7:22 pmLHR-EYW

13h 37m1 stop

$691British Airways

Find Deal

Wed, Oct 8 - Wed, Oct 29

1:45 pm - 6:50 amEYW-LHR

12h 05m1 stop

6:05 am - 6:38 pmLHR-EYW

17h 33m2 stops

$716British Airways

Find Deal

Wed, Nov 26 - Sun, Dec 7

3:12 pm - 4:25 pmEYW-LHR

20h 13m2 stops

4:20 pm - 2:04 pmLHR-EYW

25h 44m2 stops

$720United Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 29

12:50 pm - 11:25 amEYW-LHR

17h 35m2 stops

8:15 am - 11:55 amLHR-EYW

32h 40m2 stops

$724TAP AIR PORTUGAL

Find Deal

Wed, Nov 26 - Sun, Dec 7

1:39 pm - 6:55 amEYW-LHR

12h 16m1 stop

6:05 am - 6:38 pmLHR-EYW

17h 33m2 stops

$772American Airlines

Find Deal

Thu, Nov 27 - Sun, Dec 7

1:06 pm - 7:10 amEYW-LHR

37h 04m2 stops

11:10 am - 2:06 pmLHR-EYW

31h 56m2 stops

$780United Airlines

Find Deal

Thu, Nov 27 - Sun, Dec 7

12:50 pm - 3:05 pmEYW-LGW

21h 15m2 stops

10:40 am - 11:55 amLGW-EYW

30h 15m2 stops

$1,177TAP AIR PORTUGAL

Find Deal

Wed, Nov 26 - Sun, Dec 7

1:25 pm - 11:30 amEYW-LHR

17h 05m2 stops

6:30 pm - 11:53 amLHR-EYW

46h 23m2 stops

$5,783

Find Deal

Wed, Oct 15 - Wed, Nov 12

United Airlines flights from Key West to London

Our best United Airlines deals on Key West to London flight tickets

United Airlines

Oct 8

EYW3:12 pmKey West

20h 13m

2 stops

LHR4:25 pmLondon Heathrow

Oct 29

LHR4:20 pmLondon Heathrow

25h 44m

2 stops

EYW2:04 pmKey West

$720

Find similar

United Airlines

Nov 27

EYW1:06 pmKey West

37h 04m

2 stops

LHR7:10 amLondon Heathrow

Dec 7

LHR11:10 amLondon Heathrow

31h 56m

2 stops

EYW2:06 pmKey West

$780

Find similar

United Airlines

Oct 8

EYW3:12 pmKey West

16h 38m

2 stops

LHR12:50 pmLondon Heathrow

Oct 29

LHR1:25 pmLondon Heathrow

28h 39m

3 stops

EYW2:04 pmKey West

$807

Find similar

British Airways flights from Key West to London

Our best British Airways deals on Key West to London flight tickets

British Airways

Dec 11

EYW7:28 pmKey West

35h 12m

2 stops

LHR11:40 amLondon Heathrow

Dec 14

LHR9:45 amLondon Heathrow

13h 53m

1 stop

EYW6:38 pmKey West

$667

Find similar

British Airways

Oct 8

EYW5:47 pmKey West

10h 38m

1 stop

LHR9:25 amLondon Heathrow

Oct 29

LHR7:05 pmLondon Heathrow

28h 17m

2 stops

EYW7:22 pmKey West

$670

Find similar

British Airways

Oct 8

EYW1:25 pmKey West

16h 10m

1 stop

LHR10:35 amLondon Heathrow

Oct 29

LHR9:45 amLondon Heathrow

13h 37m

1 stop

EYW7:22 pmKey West

$691

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 12/11

7:28 pm-11:40 am

2 stops35h 12m

London Heathrow

Sun 12/14

9:45 am-6:38 pm

1 stop13h 53m

$667

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 10/8

5:47 pm-9:25 am

1 stop10h 38m

London Heathrow

Wed 10/29

7:05 pm-7:22 pm

2 stops28h 17m

$670

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 10/8

1:25 pm-10:35 am

1 stop16h 10m

London Heathrow

Wed 10/29

9:45 am-7:22 pm

1 stop13h 37m

$691

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 11/26

1:45 pm-6:50 am

1 stop12h 05m

London Heathrow

Sun 12/7

6:05 am-6:38 pm

2 stops17h 33m

$716

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 10/8

3:12 pm-4:25 pm

2 stops20h 13m

London Heathrow

Wed 10/29

4:20 pm-2:04 pm

2 stops25h 44m

$720

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 11/26

12:50 pm-11:25 am

2 stops17h 35m

London Heathrow

Sun 12/7

8:15 am-11:55 am

2 stops32h 40m

$724

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 11/27

1:39 pm-6:55 am

1 stop12h 16m

London Heathrow

Sun 12/7

6:05 am-6:38 pm

2 stops17h 33m

$772

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 11/27

1:06 pm-7:10 am

2 stops37h 04m

London Heathrow

Sun 12/7

11:10 am-2:06 pm

2 stops31h 56m

$780

Key WestLondon

EYW - LGW

EYWLGW

Key West

Wed 11/26

12:50 pm-3:05 pm

2 stops21h 15m

London Gatwick

Sun 12/7

10:40 am-11:55 am

2 stops30h 15m

$1,177

Key WestLondon

EYW - LHR

EYWLHR

Key West

Wed 10/15

1:25 pm-11:30 am

2 stops17h 05m

London Heathrow

Wed 11/12

6:30 pm-11:53 am

2 stops46h 23m

$5,783

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Key West to London

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

Layovers

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Key West to London is on a Thursday. Travelers who choose to depart for London on a Thursday will often find tickets for as low as $751. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,117. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Key West in the morning is the least expensive time of day to depart. momondo users have found prices as low as $724 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $934. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Key West to London

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Key West to London (EYW to LON) flight deals and tips

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

Direct flights	None

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

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How far is Key West to London by plane?
Key West and London are 4555.0 mi apart from one another. Typically, this will take 10h 38m by plane in normal conditions.
When did momondo last update prices for flights from Key West Airport to London?
Prices for flights from Key West Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Key West Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Key West to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Key West to London is American Airlines (100% of total bookings).

Hounslow

Gatwick

Luton

Dover

Slough

Milton Keynes

Guildford

Dartford

Crawley

Hayes

Chelmsford

Stansted

Brentwood

Ilford

Folkestone

Colchester

Watford

Richmond

Canterbury

Croydon

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Key West to London. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Key West to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Key West. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.