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

British Airways is the most popular carrier operating from United Kingdom to Key West

How long does it take to fly to Key West?

If you’re flying from a popular airport in United Kingdom, such as Edinburgh or London, and flying into Key West, then you can expect flight times to average 13h 19m and 17h 50m, respectively.

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.

$516 Cheap Flights from the United Kingdom to Key West in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from the United Kingdom to Key West

Round-trip

One-way

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

Enter your travel dates to find the best prices.

1:30 pm - 4:07 pm

LHR

EYW

31h 37m

2 stops

2:24 pm - 6:20 am

EYW

LHR

11h 56m

1 stop

$524United Airlines

Tue, Mar 3 - Tue, Mar 10

3:10 pm - 11:26 am

LHR

EYW

25h 16m

2 stops

4:15 pm - 11:15 am

EYW

LHR

14h 00m

1 stop

$546United Airlines

Fri, Jan 30 - Thu, Feb 5

1:30 pm - 4:07 pm

LHR

EYW

31h 37m

2 stops

2:24 pm - 10:50 am

EYW

LHR

16h 26m

2 stops

$548United Airlines

Tue, Mar 3 - Tue, Mar 10

12:50 pm - 11:26 am

LHR

EYW

27h 36m

2 stops

6:05 pm - 5:55 am

EYW

LHR

30h 50m

2 stops

$555United Airlines

Fri, Feb 6 - Mon, Feb 9

6:00 pm - 3:00 pm

LHR

EYW

26h 00m

2 stops

2:24 pm - 11:15 am

EYW

LHR

16h 51m

2 stops

$589Lufthansa

Tue, Mar 3 - Tue, Mar 10

11:55 am - 7:10 pm

LGW

EYW

36h 15m

2 stops

4:37 pm - 10:50 am

EYW

LGW

37h 13m

2 stops

$707British Airways

Thu, Feb 5 - Mon, Feb 9

7:35 am - 7:15 pm

GLA

EYW

16h 40m

2 stops

7:42 pm - 4:35 pm

EYW

GLA

16h 53m

2 stops

$731British Airways

Mon, Mar 2 - Mon, Mar 9

7:45 am - 7:42 pm

LCY

EYW

16h 57m

2 stops

6:25 pm - 4:35 pm

EYW

LCY

18h 10m

2 stops

$780Delta

Mon, Mar 2 - Mon, Mar 9

2:00 pm - 11:11 am

LGW

EYW

26h 11m

1 stop

1:06 pm - 10:50 am

EYW

LGW

40h 44m

2 stops

$946Multiple Airlines

Tue, Apr 7 - Mon, Apr 13

2:00 pm - 11:11 am

LGW

EYW

26h 11m

1 stop

1:06 pm - 10:00 am

EYW

LGW

15h 54m

1 stop

$1,030Multiple Airlines

Tue, Apr 7 - Mon, Apr 13

Finnair flights from United Kingdom to Key West

Our best Finnair deals on United Kingdom to Key West flight tickets

Finnair

Apr 1

LHR6:15 amLondon Heathrow

17h 57m

2 stops

EYW7:12 pmKey West

Apr 8

EYW11:24 amKey West

17h 56m

2 stops

LHR10:20 amLondon Heathrow

$909

Finnair

Apr 1

LHR9:45 amLondon Heathrow

13h 34m

1 stop

EYW6:19 pmKey West

Apr 8

EYW11:56 amKey West

13h 59m

1 stop

LHR6:55 amLondon Heathrow

$929

Iberia flights from United Kingdom to Key West

Our best Iberia deals on United Kingdom to Key West flight tickets

Iberia

Apr 1

LHR6:15 amLondon Heathrow

17h 57m

2 stops

EYW7:12 pmKey West

Apr 8

EYW11:24 amKey West

16h 41m

2 stops

LHR9:05 amLondon Heathrow

$919

Iberia

Apr 1

LHR9:45 amLondon Heathrow

13h 34m

1 stop

EYW6:19 pmKey West

Apr 8

EYW2:29 pmKey West

16h 41m

1 stop

LHR12:10 pmLondon Heathrow

$939

momondo Fare Finder

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

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 3/3

1:30 pm-4:07 pm

2 stops31h 37m

Key West

Tue 3/10

2:24 pm-6:20 am

1 stop11h 56m

$524

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 1/30

3:10 pm-11:26 am

2 stops25h 16m

Key West

Thu 2/5

4:15 pm-11:15 am

1 stop14h 00m

$546

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 3/3

1:30 pm-4:07 pm

2 stops31h 37m

Key West

Tue 3/10

2:24 pm-10:50 am

2 stops16h 26m

$548

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Fri 2/6

12:50 pm-11:26 am

2 stops27h 36m

Key West

Mon 2/9

6:05 pm-5:55 am

2 stops30h 50m

$555

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 3/3

6:00 pm-3:00 pm

2 stops26h 00m

Key West

Tue 3/10

2:24 pm-11:15 am

2 stops16h 51m

$589

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 2/5

11:55 am-7:10 pm

2 stops36h 15m

Key West

Mon 2/9

4:37 pm-10:50 am

2 stops37h 13m

$707

GlasgowKey West

GLA - EYW

GLAEYW

Glasgow Intl

Mon 3/2

7:35 am-7:15 pm

2 stops16h 40m

Key West

Mon 3/9

7:42 pm-4:35 pm

2 stops16h 53m

$731

LondonKey West

LCY - EYW

LCYEYW

London City

Mon 3/2

7:45 am-7:42 pm

2 stops16h 57m

Key West

Mon 3/9

6:25 pm-4:35 pm

2 stops18h 10m

$780

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Tue 4/7

2:00 pm-11:11 am

1 stop26h 11m

Key West

Mon 4/13

1:06 pm-10:50 am

2 stops40h 44m

$946

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Tue 4/7

2:00 pm-11:11 am

1 stop26h 11m

Key West

Mon 4/13

1:06 pm-10:00 am

1 stop15h 54m

$1,030

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Key West?

In general, November 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 November, then departing from United Kingdom during the month January is also very affordable. Most momondo users find prices during this month for around $664.

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

You could potentially save up to 2% 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	13h 19m
Direct flights	None

The fastest flight from United Kingdom to Key West takes 13h 19m

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

Search flight deals

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.

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.