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.

$634 Cheap Flights from Key West to London in 2026

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Find the cheapest flights from Key West to London

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One-way

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Cheap round-trip flights

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2:46 pm - 7:50 am

EYW

LHR

12h 04m

1 stop

6:30 am - 5:01 pm

LHR

EYW

15h 31m

2 stops

$634KLM

Thu, Feb 26 - Mon, Mar 2

7:10 am - 6:50 am

EYW

LHR

18h 40m

2 stops

6:30 am - 5:01 pm

LHR

EYW

15h 31m

2 stops

$638Delta

Thu, Feb 26 - Mon, Mar 2

11:59 am - 7:50 am

EYW

LHR

14h 51m

1 stop

10:45 am - 7:42 pm

LHR

EYW

13h 57m

1 stop

$661KLM

Thu, Feb 26 - Mon, Mar 2

1:55 pm - 10:50 am

EYW

LGW

39h 55m

2 stops

11:45 am - 7:15 pm

LGW

EYW

36h 30m

2 stops

$689British Airways

Thu, Feb 26 - Mon, Mar 2

7:00 am - 6:45 am

EYW

LHR

18h 45m

1 stop

8:00 am - 10:11 pm

LHR

EYW

19h 11m

1 stop

$1,045United Airlines

Fri, Jul 10 - Sat, Jul 25

7:00 am - 6:45 am

EYW

LHR

18h 45m

1 stop

4:40 pm - 3:06 pm

LHR

EYW

27h 26m

2 stops

$1,049United Airlines

Fri, Jul 10 - Sat, Jul 25

7:00 am - 6:45 am

EYW

LHR

18h 45m

1 stop

10:00 am - 3:06 pm

LHR

EYW

34h 06m

2 stops

$1,050United Airlines

Fri, Jul 10 - Sat, Jul 25

4:05 pm - 6:35 am

EYW

LHR

33h 30m

3 stops

8:00 am - 10:11 pm

LHR

EYW

19h 11m

1 stop

$1,053United Airlines

Fri, Jul 10 - Sat, Jul 25

4:05 pm - 6:35 am

EYW

LHR

33h 30m

3 stops

1:40 pm - 3:06 pm

LHR

EYW

30h 26m

2 stops

$1,058United Airlines

Fri, Jul 10 - Sat, Jul 25

2:46 pm - 4:00 pm

EYW

LHR

20h 14m

2 stops

6:40 am - 10:59 am

LHR

EYW

33h 19m

3 stops

$1,487Multiple Airlines

Thu, Feb 26 - Mon, Mar 2

United Airlines flights from Key West to London

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

United Airlines

Jul 10

EYW7:00 amKey West

18h 45m

1 stop

LHR6:45 amLondon Heathrow

Jul 25

LHR8:00 amLondon Heathrow

19h 11m

1 stop

EYW10:11 pmKey West

$1,045

United Airlines

Jul 10

EYW7:00 amKey West

18h 45m

1 stop

LHR6:45 amLondon Heathrow

Jul 25

LHR4:40 pmLondon Heathrow

27h 26m

2 stops

EYW3:06 pmKey West

$1,049

United Airlines

Jul 10

EYW7:00 amKey West

18h 45m

1 stop

LHR6:45 amLondon Heathrow

Jul 25

LHR10:00 amLondon Heathrow

34h 06m

2 stops

EYW3:06 pmKey West

$1,050

American Airlines flights from Key West to London

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

American Airlines

Feb 1

EYW4:01 pmKey West

13h 24m

1 stop

LHR10:25 amLondon Heathrow

Feb 10

LHR11:15 amLondon Heathrow

12h 55m

1 stop

EYW7:10 pmKey West

$725

American Airlines

Feb 1

EYW6:43 pmKey West

12h 17m

1 stop

LHR12:00 pmLondon Heathrow

Feb 10

LHR9:55 amLondon Heathrow

16h 52m

1 stop

EYW9:47 pmKey West

$726

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 2/26

2:46 pm-7:50 am

1 stop12h 04m

London Heathrow

Mon 3/2

6:30 am-5:01 pm

2 stops15h 31m

$634

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 2/26

7:10 am-6:50 am

2 stops18h 40m

London Heathrow

Mon 3/2

6:30 am-5:01 pm

2 stops15h 31m

$638

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 2/26

11:59 am-7:50 am

1 stop14h 51m

London Heathrow

Mon 3/2

10:45 am-7:42 pm

1 stop13h 57m

$661

Key WestLondon

EYW - LGW

EYWLGW

Key West

Thu 2/26

1:55 pm-10:50 am

2 stops39h 55m

London Gatwick

Mon 3/2

11:45 am-7:15 pm

2 stops36h 30m

$689

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 7/10

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Sat 7/25

8:00 am-10:11 pm

1 stop19h 11m

$1,045

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 7/10

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Sat 7/25

4:40 pm-3:06 pm

2 stops27h 26m

$1,049

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 7/10

7:00 am-6:45 am

1 stop18h 45m

London Heathrow

Sat 7/25

10:00 am-3:06 pm

2 stops34h 06m

$1,050

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 7/10

4:05 pm-6:35 am

3 stops33h 30m

London Heathrow

Sat 7/25

8:00 am-10:11 pm

1 stop19h 11m

$1,053

Key WestLondon

EYW - LHR

EYWLHR

Key West

Fri 7/10

4:05 pm-6:35 am

3 stops33h 30m

London Heathrow

Sat 7/25

1:40 pm-3:06 pm

2 stops30h 26m

$1,058

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 2/26

2:46 pm-4:00 pm

2 stops20h 14m

London Heathrow

Mon 3/2

6:40 am-10:59 am

3 stops33h 19m

$1,487

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

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

Atlanta (ATL) was the most common stop: 88% 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 Atlanta (ATL) have the shortest average one-way travel time: 11h 51m.

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

Atlanta (ATL) has the shortest average layover time for this route: 2h 13m.

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

Fastest flight time	14h 00m
Direct flights	None

The fastest flight from Key West to London takes 14h 00m

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 14h 00m 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

Crawley

Wembley

Dartford

Hayes

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

Croydon

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.