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Cheap flights from the United Kingdom to Key West from $469

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Key West departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to Key West

Recent round-trip flight deals from the United Kingdom to Key West

Enter your travel dates to find the best prices.
United Airlines Logo
4:40 pm - 1:45 pm
LHR
-
EYW
26h 05m
2 stops
United Airlines Logo
2:26 pm - 10:40 am
EYW
-
LHR
15h 14m
2 stops
$852United Airlines
Tue, May 12 - Wed, May 27
Lufthansa Logo
4:00 pm - 1:45 pm
LHR
-
EYW
26h 45m
1 stop
Lufthansa Logo
2:26 pm - 9:20 am
EYW
-
LHR
13h 54m
1 stop
$866Lufthansa
Tue, May 12 - Wed, May 27
United Airlines Logo
4:40 pm - 1:30 pm
LHR
-
EYW
25h 50m
2 stops
United Airlines Logo
2:26 pm - 8:20 am
EYW
-
LHR
12h 54m
1 stop
$920United Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
2:00 pm - 11:27 am
LGW
-
EYW
26h 27m
1 stop
Multiple Airlines Logo
11:04 am - 10:45 am
EYW
-
LGW
42h 41m
2 stops
$990Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
2:00 pm - 11:27 am
LGW
-
EYW
26h 27m
1 stop
Multiple Airlines Logo
12:05 pm - 10:00 am
EYW
-
LGW
16h 55m
1 stop
$996Multiple Airlines
Thu, May 28 - Thu, Jun 4
KLM Logo
8:25 am - 5:23 pm
LCY
-
EYW
37h 58m
2 stops
KLM Logo
6:19 pm - 4:40 pm
EYW
-
LCY
17h 21m
2 stops
$1,034KLM
Tue, May 12 - Wed, May 27
Air France Logo
5:00 pm - 5:23 pm
LGW
-
EYW
29h 23m
2 stops
Air France Logo
6:19 pm - 4:00 pm
EYW
-
LGW
16h 41m
2 stops
$1,053Air France
Thu, May 28 - Thu, Jun 4
British Airways Logo
7:15 pm - 7:10 pm
LCY
-
EYW
28h 55m
2 stops
British Airways Logo
1:39 pm - 3:15 pm
EYW
-
LCY
20h 36m
2 stops
$1,114British Airways
Thu, Jun 18 - Mon, Jun 22
British Airways Logo
8:40 pm - 10:58 pm
LGW
-
EYW
31h 18m
2 stops
British Airways Logo
7:49 pm - 8:00 pm
EYW
-
LGW
19h 11m
2 stops
$1,120British Airways
Sat, May 9 - Sat, May 23
KLM Logo
12:10 pm - 5:23 pm
LCY
-
EYW
34h 13m
2 stops
KLM Logo
7:30 am - 8:15 pm
EYW
-
LCY
31h 45m
2 stops
$2,220KLM
Sat, May 9 - Sat, May 23

United Airlines flights from United Kingdom to Key West

Our best United Airlines deals on United Kingdom to Key West flight tickets
United Airlines
May 12
LHR4:40 pmLondon Heathrow
26h 05m
2 stops
EYW1:45 pmKey West
May 27
EYW2:26 pmKey West
15h 14m
2 stops
LHR10:40 amLondon Heathrow
$852
United Airlines
Jun 1
LHR4:40 pmLondon Heathrow
25h 50m
2 stops
EYW1:30 pmKey West
Jun 8
EYW2:26 pmKey West
12h 54m
1 stop
LHR8:20 amLondon Heathrow
$920
United Airlines
Jun 1
LHR5:40 pmLondon Heathrow
24h 50m
2 stops
EYW1:30 pmKey West
Jun 8
EYW2:26 pmKey West
14h 49m
2 stops
LHR10:15 amLondon Heathrow
$931

Lufthansa flights from United Kingdom to Key West

Our best Lufthansa deals on United Kingdom to Key West flight tickets
Lufthansa
May 12
LHR4:00 pmLondon Heathrow
26h 45m
1 stop
EYW1:45 pmKey West
May 27
EYW2:26 pmKey West
13h 54m
1 stop
LHR9:20 amLondon Heathrow
$866
Lufthansa
May 29
EDI9:40 amEdinburgh Turnhouse
32h 50m
1 stop
EYW1:30 pmKey West
Jun 5
EYW2:26 pmKey West
12h 39m
1 stop
EDI8:05 amEdinburgh Turnhouse
$1,334

momondo Fare Finder

 
Customize your flight search to find flights from United Kingdom to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from the United Kingdom to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 5/12

4:40 pm-1:45 pm

2 stops26h 05m

Key West

Wed 5/27

2:26 pm-10:40 am

2 stops15h 14m

$852

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 5/12

4:00 pm-1:45 pm

1 stop26h 45m

Key West

Wed 5/27

2:26 pm-9:20 am

1 stop13h 54m

$866
Quickest round-trip

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Mon 6/1

4:40 pm-1:30 pm

2 stops25h 50m

Key West

Mon 6/8

2:26 pm-8:20 am

1 stop12h 54m

$920

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 5/28

2:00 pm-11:27 am

1 stop26h 27m

Key West

Thu 6/4

11:04 am-10:45 am

2 stops42h 41m

$990

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 5/28

2:00 pm-11:27 am

1 stop26h 27m

Key West

Thu 6/4

12:05 pm-10:00 am

1 stop16h 55m

$996

LondonKey West

LCY - EYW

LCYEYW

London City

Tue 5/12

8:25 am-5:23 pm

2 stops37h 58m

Key West

Wed 5/27

6:19 pm-4:40 pm

2 stops17h 21m

$1,034

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 5/28

5:00 pm-5:23 pm

2 stops29h 23m

Key West

Thu 6/4

6:19 pm-4:00 pm

2 stops16h 41m

$1,053

LondonKey West

LCY - EYW

LCYEYW

London City

Thu 6/18

7:15 pm-7:10 pm

2 stops28h 55m

Key West

Mon 6/22

1:39 pm-3:15 pm

2 stops20h 36m

$1,114

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Sat 5/9

8:40 pm-10:58 pm

2 stops31h 18m

Key West

Sat 5/23

7:49 pm-8:00 pm

2 stops19h 11m

$1,120

LondonKey West

LCY - EYW

LCYEYW

London City

Sat 5/9

12:10 pm-5:23 pm

2 stops34h 13m

Key West

Sat 5/23

7:30 am-8:15 pm

2 stops31h 45m

$2,220

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 Key West from

How to get the cheapest flight ticket from United Kingdom to Key West

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

What is the cheapest month to fly to Key West?

In general, March is the cheapest month to fly from United Kingdom to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $643. If you are unable to visit Key West during the month of March, then departing from United Kingdom during the month September is also very affordable. Most momondo users find prices during this month for around $691.

Can stopping save me money on United Kingdom to Key West flights?

You could potentially save up to 8% on your flight if you consider stops on a United Kingdom to Key West flight.

Cheap United Kingdom to Key West flight deals and tips

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

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from United Kingdom to Key West takes 14h 15m
There are no direct flights from United Kingdom to Key West. There are no popular flight routes from United Kingdom to Key West.
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Frequently asked questions about flying from the United Kingdom to Key West

  • When did momondo last update prices for flights from United Kingdom to Key West Airport?

    Prices for flights from United Kingdom to Key West Airport refresh daily.

  • How old do you have to be to fly from United Kingdom to Key West 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 United Kingdom to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

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

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

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

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

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Key West.

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

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

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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