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Cheap flights from Key West to London from $320

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Key West to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:40 am - 6:25 amEYW  Key West-LHR London Heathrow
17h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 8:01 pmLHR  London Heathrow-EYW Key West
18h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$866Delta
Tue, Sep 29 - Tue, Oct 6
Delta Logo
7:40 am - 7:10 amEYW  Key West-LHR London Heathrow
18h 30m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
Delta Logo
6:30 am - 8:01 pmLHR  London Heathrow-EYW Key West
18h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$871Delta
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
4:05 pm - 5:55 amEYW  Key West-LHR London Heathrow
32h 50m1 stop Chicago O'Hare Intl
United Airlines Logo
11:10 am - 3:06 pmLHR  London Heathrow-EYW Key West
32h 56m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$888United Airlines
Sun, Dec 6 - Wed, Dec 9
United Airlines Logo
6:20 pm - 10:50 amEYW  Key West-LHR London Heathrow
11h 30m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:00 pm - 11:11 amLHR  London Heathrow-EYW Key West
46h 11m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$892United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
6:20 pm - 10:50 amEYW  Key West-LHR London Heathrow
11h 30m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:00 pm - 11:11 amLHR  London Heathrow-EYW Key West
46h 11m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$893United Airlines
Wed, Jan 20 - Fri, Jan 22
Multiple Airlines Logo
11:42 am - 6:25 amEYW  Key West-LHR London Heathrow
13h 43m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
11:15 am - 8:01 pmLHR  London Heathrow-EYW Key West
13h 46m1 stop Atlanta Hartsfield-Jackson
$895Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
KLM Logo
2:00 pm - 1:15 pmEYW  Key West-LHR London Heathrow
18h 15m1 stop Atlanta Hartsfield-Jackson
KLM Logo
6:30 am - 8:01 pmLHR  London Heathrow-EYW Key West
18h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$910KLM
Thu, Oct 1 - Thu, Oct 8
United Airlines Logo
12:41 pm - 10:25 amEYW  Key West-LHR London Heathrow
16h 44m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:10 pm - 11:11 amLHR  London Heathrow-EYW Key West
25h 01m2 stops Newark Chicago O'Hare Intl
$912United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
2:30 pm - 8:25 amEYW  Key West-LHR London Heathrow
12h 55m1 stop Newark
United Airlines Logo
12:00 pm - 1:02 pmLHR  London Heathrow-EYW Key West
30h 02m1 stop Newark
$913United Airlines
Wed, Jan 20 - Fri, Jan 22
United Airlines Logo
12:41 pm - 10:25 amEYW  Key West-LHR London Heathrow
16h 44m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:10 pm - 11:11 amLHR  London Heathrow-EYW Key West
25h 01m2 stops Newark Chicago O'Hare Intl
$913United Airlines
Wed, Jan 20 - Fri, Jan 22

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Delta flights from Key West to London Heathrow Airport

Our best Delta deals on Key West to London Heathrow Airport flight tickets
Delta
Oct 2
EYW2:00 pmKey West
12h 15m
1 stop
LHR7:15 amLondon Heathrow
Oct 9
LHR9:20 amLondon Heathrow
12h 55m
1 stop
EYW5:15 pmKey West
$946
Delta
Sep 3
EYW1:59 pmKey West
12h 16m
1 stop
LHR7:15 amLondon Heathrow
Sep 7
LHR6:15 amLondon Heathrow
16h 05m
2 stops
EYW5:20 pmKey West
$1,232
Delta
Sep 3
EYW1:59 pmKey West
12h 16m
1 stop
LHR7:15 amLondon Heathrow
Sep 7
LHR11:15 amLondon Heathrow
13h 42m
1 stop
EYW7:57 pmKey West
$1,253

British Airways flights from Key West to London Heathrow Airport

Our best British Airways deals on Key West to London Heathrow Airport flight tickets
British Airways
Oct 2
EYW1:47 pmKey West
24h 08m
2 stops
LHR6:55 pmLondon Heathrow
Oct 9
LHR6:15 amLondon Heathrow
18h 18m
2 stops
EYW7:33 pmKey West
$986
British Airways
Sep 9
EYW11:30 amKey West
14h 25m
1 stop
LHR6:55 amLondon Heathrow
Sep 28
LHR8:00 pmLondon Heathrow
28h 17m
2 stops
EYW7:17 pmKey West
$1,048
British Airways
Oct 1
EYW1:47 pmKey West
18h 48m
2 stops
LHR1:35 pmLondon Heathrow
Oct 8
LHR8:00 pmLondon Heathrow
28h 33m
2 stops
EYW7:33 pmKey West
$1,058

momondo Fare Finder

 
Use the filters below to find and compare flights from Key West to London Heathrow Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 9/29

7:40 am-6:25 am

1 stop17h 45m

London Heathrow

Tue 10/6

6:30 am-8:01 pm

2 stops18h 31m

$866

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 9/29

7:40 am-7:10 am

2 stops18h 30m

London Heathrow

Tue 10/6

6:30 am-8:01 pm

2 stops18h 31m

$871

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Sun 12/6

4:05 pm-5:55 am

1 stop32h 50m

London Heathrow

Wed 12/9

11:10 am-3:06 pm

2 stops32h 56m

$888

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

6:20 pm-10:50 am

1 stop11h 30m

London Heathrow

Fri 1/22

6:00 pm-11:11 am

2 stops46h 11m

$892

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

6:20 pm-10:50 am

1 stop11h 30m

London Heathrow

Fri 1/22

6:00 pm-11:11 am

2 stops46h 11m

$893
Quickest round-trip

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Tue 9/29

11:42 am-6:25 am

1 stop13h 43m

London Heathrow

Tue 10/6

11:15 am-8:01 pm

1 stop13h 46m

$895

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Thu 10/1

2:00 pm-1:15 pm

1 stop18h 15m

London Heathrow

Thu 10/8

6:30 am-8:01 pm

2 stops18h 31m

$910

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

12:41 pm-10:25 am

2 stops16h 44m

London Heathrow

Fri 1/22

3:10 pm-11:11 am

2 stops25h 01m

$912

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

2:30 pm-8:25 am

1 stop12h 55m

London Heathrow

Fri 1/22

12:00 pm-1:02 pm

1 stop30h 02m

$913

Key WestLondon

EYW Key West - LHR London Heathrow

EYWLHR

Key West

Wed 1/20

12:41 pm-10:25 am

2 stops16h 44m

London Heathrow

Fri 1/22

3:10 pm-11:11 am

2 stops25h 01m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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

Can stopping save me money on Key West to London Heathrow Airport flights?

You could potentially save up to 47% on your flight if you consider stops on a Key West to London Heathrow Airport flight.

When to book flights from Key West to London Heathrow Airport

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

Cheap Key West to London Heathrow Airport (EYW to LHR) flight deals and tips

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

Best Price Found

$320

Fastest flight time

11h 30m

Direct flights

None
The best one-way flight to London Heathrow Airport from Key West in the past 72 hours is $320. The best round-trip flight deal from Key West to London Heathrow Airport found on momondo in the last 72 hours is $866.
The fastest flight from Key West to London Heathrow Airport takes 11h 30m
There are no direct flights from Key West to London Heathrow Airport. There are no popular flight routes from Key West to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Key West to London Heathrow Airport

  • How far is Key West to London Heathrow by plane?

    A flight from Key West to London Heathrow will travel around 4541.3 mi. Typically, this will take 11h 30m by plane in normal conditions.

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

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

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

    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 Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Stratford-upon-Avon
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Eastbourne
Worthing
Romford

Why use momondo?

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

Finding the right flight to London from Key West is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Key West.

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

If you are not ready to book a flight from Key West to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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