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.

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 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 travel time from Key West to London?

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

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.

$611 Cheap Flights from Key West to London in 2025/26

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7:00 am - 7:50 amEYW-LHR

20h 50m1 stop

10:55 am - 7:44 pmLHR-EYW

13h 49m1 stop

$772Delta

Find Deal

Fri, Mar 27 - Tue, Mar 31

7:00 am - 9:00 amEYW-LHR

22h 00m1 stop

9:40 am - 7:44 pmLHR-EYW

15h 04m2 stops

$776Delta

Find Deal

Fri, Mar 27 - Tue, Mar 31

2:35 pm - 9:00 amEYW-LHR

14h 25m1 stop

9:20 am - 7:44 pmLHR-EYW

15h 24m1 stop

$790Virgin Atlantic

Find Deal

Fri, Mar 27 - Tue, Mar 31

4:53 pm - 10:15 amEYW-LHR

13h 22m1 stop

8:30 am - 10:11 pmLHR-EYW

18h 41m2 stops

$859United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

1:59 pm - 11:30 amEYW-LHR

17h 31m1 stop

7:05 pm - 6:30 pmLHR-EYW

27h 25m2 stops

$868British Airways

Find Deal

Sat, Mar 14 - Sat, Mar 21

7:52 pm - 8:20 amEYW-LHR

56h 28m2 stops

2:30 pm - 7:23 pmLHR-EYW

33h 53m1 stop

$872British Airways

Find Deal

Sat, Nov 1 - Sat, Nov 15

8:01 pm - 12:05 pmEYW-LHR

12h 04m1 stop

11:15 am - 11:59 pmLHR-EYW

16h 44m1 stop

$876British Airways

Find Deal

Sat, Mar 14 - Sat, Mar 21

6:31 am - 7:30 amEYW-LGW

20h 59m2 stops

2:30 pm - 1:00 pmLGW-EYW

27h 30m2 stops

$934American Airlines

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Fri, Mar 27 - Tue, Mar 31

4:00 pm - 7:30 amEYW-LHR

35h 30m2 stops

1:45 pm - 1:46 pmLHR-EYW

29h 01m3 stops

$1,012United Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 15

11:45 am - 6:20 amEYW-LHR

14h 35m2 stops

6:30 am - 7:44 pmLHR-EYW

18h 14m2 stops

$1,056Virgin Atlantic

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Fri, Mar 27 - Tue, Mar 31

Delta flights from Key West to London

Our best Delta deals on Key West to London flight tickets

Delta

Mar 27

EYW7:00 amKey West

20h 50m

1 stop

LHR7:50 amLondon Heathrow

Mar 31

LHR10:55 amLondon Heathrow

13h 49m

1 stop

EYW7:44 pmKey West

$772

Find similar

Delta

Mar 27

EYW7:00 amKey West

22h 00m

1 stop

LHR9:00 amLondon Heathrow

Mar 31

LHR9:40 amLondon Heathrow

15h 04m

2 stops

EYW7:44 pmKey West

$776

Find similar

Delta

Mar 28

EYW6:00 pmKey West

31h 30m

1 stop

LHR5:30 amLondon Heathrow

Mar 31

LHR6:30 amLondon Heathrow

15h 43m

2 stops

EYW5:13 pmKey West

$1,623

Find similar

Virgin Atlantic flights from Key West to London

Our best Virgin Atlantic deals on Key West to London flight tickets

Virgin Atlantic

Mar 27

EYW2:35 pmKey West

14h 25m

1 stop

LHR9:00 amLondon Heathrow

Mar 31

LHR9:20 amLondon Heathrow

15h 24m

1 stop

EYW7:44 pmKey West

$790

Find similar

Virgin Atlantic

Mar 27

EYW11:45 amKey West

14h 35m

2 stops

LHR6:20 amLondon Heathrow

Mar 31

LHR6:30 amLondon Heathrow

18h 14m

2 stops

EYW7:44 pmKey West

$1,056

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 3/27

7:00 am-7:50 am

1 stop20h 50m

London Heathrow

Tue 3/31

10:55 am-7:44 pm

1 stop13h 49m

$772

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 3/27

7:00 am-9:00 am

1 stop22h 00m

London Heathrow

Tue 3/31

9:40 am-7:44 pm

2 stops15h 04m

$776

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 3/27

2:35 pm-9:00 am

1 stop14h 25m

London Heathrow

Tue 3/31

9:20 am-7:44 pm

1 stop15h 24m

$790

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 3/27

4:53 pm-10:15 am

1 stop13h 22m

London Heathrow

Tue 3/31

8:30 am-10:11 pm

2 stops18h 41m

$859

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 3/14

1:59 pm-11:30 am

1 stop17h 31m

London Heathrow

Sat 3/21

7:05 pm-6:30 pm

2 stops27h 25m

$868

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 11/1

7:52 pm-8:20 am

2 stops56h 28m

London Heathrow

Sat 11/15

2:30 pm-7:23 pm

1 stop33h 53m

$872

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 3/14

8:01 pm-12:05 pm

1 stop12h 04m

London Heathrow

Sat 3/21

11:15 am-11:59 pm

1 stop16h 44m

$876

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 3/27

6:31 am-7:30 am

2 stops20h 59m

London Gatwick

Tue 3/31

2:30 pm-1:00 pm

2 stops27h 30m

$934

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 11/1

4:00 pm-7:30 am

2 stops35h 30m

London Heathrow

Sat 11/15

1:45 pm-1:46 pm

3 stops29h 01m

$1,012

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 3/27

11:45 am-6:20 am

2 stops14h 35m

London Heathrow

Tue 3/31

6:30 am-7:44 pm

2 stops18h 14m

$1,056

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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 12h 04m 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).

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Dartford

Hayes

Crawley

Chelmsford

Brentwood

Colchester

Ilford

Folkestone

Romford

Cobham

Stansted

Watford

Richmond

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.