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

Lufthansa, British Airways, and Delta are the most popular carriers operating from London to Key West

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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.

$572 Cheap Flights from London to Key West in 2026

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Find the cheapest flights from London to Key West

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 10:58 pm

LHR

EYW

21h 43m

2 stops

11:24 am - 12:35 pm

EYW

LHR

20h 11m

1 stop

$678British Airways

Tue, Apr 28 - Tue, May 5

3:35 pm - 10:58 pm

LHR

EYW

12h 23m

1 stop

11:24 am - 12:35 pm

EYW

LHR

20h 11m

1 stop

$704British Airways

Tue, Apr 28 - Tue, May 5

6:15 am - 10:58 pm

LHR

EYW

21h 43m

2 stops

3:58 pm - 1:35 pm

EYW

LHR

16h 37m

2 stops

$712British Airways

Tue, Apr 28 - Tue, May 5

7:50 am - 10:58 pm

LHR

EYW

20h 08m

2 stops

3:58 pm - 12:35 pm

EYW

LHR

15h 37m

1 stop

$713British Airways

Wed, Apr 29 - Wed, May 6

3:35 pm - 10:58 pm

LHR

EYW

12h 23m

1 stop

3:58 pm - 12:35 pm

EYW

LHR

15h 37m

1 stop

$739Multiple Airlines

Wed, Apr 29 - Wed, May 6

4:40 pm - 1:31 pm

LHR

EYW

25h 51m

2 stops

4:47 pm - 11:35 am

EYW

LHR

13h 48m

1 stop

$757United Airlines

Mon, Apr 27 - Mon, May 4

2:00 pm - 12:26 pm

LGW

EYW

27h 26m

1 stop

9:46 am - 6:20 am

EYW

LGW

39h 34m

2 stops

$782Multiple Airlines

Thu, Apr 9 - Thu, Apr 23

12:20 pm - 10:58 pm

LGW

EYW

15h 38m

2 stops

11:24 am - 8:40 am

EYW

LGW

16h 16m

2 stops

$841American Airlines

Thu, Apr 9 - Thu, Apr 23

5:00 pm - 5:23 pm

LGW

EYW

29h 23m

2 stops

6:23 pm - 4:00 pm

EYW

LGW

16h 37m

2 stops

$1,336Air France

Tue, Apr 28 - Tue, May 5

5:00 pm - 5:23 pm

LGW

EYW

29h 23m

2 stops

6:23 pm - 9:40 am

EYW

LGW

34h 17m

2 stops

$1,659Air France

Sun, Apr 26 - Sun, May 3

Lufthansa flights from London to Key West

Our best Lufthansa deals on London to Key West flight tickets

Lufthansa

Apr 7

LHR10:25 amLondon Heathrow

35h 17m

2 stops

EYW4:42 pmKey West

Apr 13

EYW6:22 pmKey West

31h 23m

2 stops

LHR6:45 amLondon Heathrow

$879

Lufthansa

Apr 7

LHR4:00 pmLondon Heathrow

29h 42m

2 stops

EYW4:42 pmKey West

Apr 13

EYW6:22 pmKey West

31h 23m

2 stops

LHR6:45 amLondon Heathrow

$880

Lufthansa

May 21

LHR4:00 pmLondon Heathrow

26h 30m

1 stop

EYW1:30 pmKey West

May 24

EYW2:26 pmKey West

34h 29m

1 stop

LHR5:55 amLondon Heathrow

$896

United Airlines flights from London to Key West

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

United Airlines

Apr 27

LHR4:40 pmLondon Heathrow

25h 51m

2 stops

EYW1:31 pmKey West

May 4

EYW4:47 pmKey West

13h 48m

1 stop

LHR11:35 amLondon Heathrow

$757

United Airlines

Apr 9

LHR2:10 pmLondon Heathrow

29h 41m

1 stop

EYW2:51 pmKey West

Apr 23

EYW6:22 pmKey West

21h 18m

2 stops

LHR8:40 pmLondon Heathrow

$796

United Airlines

Apr 26

LHR2:10 pmLondon Heathrow

30h 47m

2 stops

EYW3:57 pmKey West

May 3

EYW4:47 pmKey West

32h 58m

2 stops

LHR6:45 amLondon Heathrow

$798

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 4/28

6:15 am-10:58 pm

2 stops21h 43m

Key West

Tue 5/5

11:24 am-12:35 pm

1 stop20h 11m

$678

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 4/28

3:35 pm-10:58 pm

1 stop12h 23m

Key West

Tue 5/5

11:24 am-12:35 pm

1 stop20h 11m

$704

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 4/28

6:15 am-10:58 pm

2 stops21h 43m

Key West

Tue 5/5

3:58 pm-1:35 pm

2 stops16h 37m

$712

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 4/29

7:50 am-10:58 pm

2 stops20h 08m

Key West

Wed 5/6

3:58 pm-12:35 pm

1 stop15h 37m

$713

Quickest round-trip

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 4/29

3:35 pm-10:58 pm

1 stop12h 23m

Key West

Wed 5/6

3:58 pm-12:35 pm

1 stop15h 37m

$739

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Mon 4/27

4:40 pm-1:31 pm

2 stops25h 51m

Key West

Mon 5/4

4:47 pm-11:35 am

1 stop13h 48m

$757

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 4/9

2:00 pm-12:26 pm

1 stop27h 26m

Key West

Thu 4/23

9:46 am-6:20 am

2 stops39h 34m

$782

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 4/9

12:20 pm-10:58 pm

2 stops15h 38m

Key West

Thu 4/23

11:24 am-8:40 am

2 stops16h 16m

$841

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Tue 4/28

5:00 pm-5:23 pm

2 stops29h 23m

Key West

Tue 5/5

6:23 pm-4:00 pm

2 stops16h 37m

$1,336

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Sun 4/26

5:00 pm-5:23 pm

2 stops29h 23m

Key West

Sun 5/3

6:23 pm-9:40 am

2 stops34h 17m

$1,659

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 London 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

What is the cheapest month to fly to Key West?

In general, March is the cheapest month to fly from London to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $684. If you are unable to visit Key West during the month of March, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $694.

When to book flights from London to Key West

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

Estimated round-trip price

Cheap London to Key West (LON to EYW) flight deals and tips

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

Fastest flight time	14h 54m
Direct flights	None

The fastest flight from London to Key West takes 14h 54m

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

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How far is London to Key West by plane?
The distance between London and Key West is about 4555.0 mi. In terms of flight time, this usually takes a little over 14h 54m.
When did momondo last update prices for flights from London to Key West Airport?
Prices for flights from London to Key West Airport are refreshed on a daily basis.
How old do you have to be to fly from London to Key West Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Key West. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Key West from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to Key West 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 London to Key West right now. Can momondo alert me if prices change?

Price alerts on flights to Key West from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

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Cheap flights from London to Key West from $572

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Key West departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from London to Key West

Our best Lufthansa deals on London to Key West flight tickets

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

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

What is the cheapest month to fly to Key West?

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When to book flights from London to Key West

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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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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