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

Delta and United Airlines 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.

$444 Cheap Flights from London to Key West in 2026

Q: What is the typical price of a round-trip flight between London and Key West?

Prices are currently low for flights on this route. Typical prices usually range from $843 to $660. The lowest price recently found on this route was $809.

1 adult

0 bags

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.

9:55 am - 6:27 pm

LHR

EYW

13h 32m

1 stop

7:51 pm - 9:40 pm

EYW

LHR

20h 49m

2 stops

$809Multiple Airlines

Tue, Sep 29 - Thu, Oct 1

11:15 am - 7:45 pm

LHR

EYW

13h 30m

1 stop

6:00 pm - 7:15 am

EYW

LHR

32h 15m

1 stop

$858Virgin Atlantic

Tue, Sep 29 - Thu, Oct 1

6:50 am - 3:07 pm

LHR

EYW

37h 17m

2 stops

2:26 pm - 8:40 pm

EYW

LHR

25h 14m

1 stop

$870United Airlines

Mon, Jun 8 - Mon, Jun 15

6:50 am - 1:30 pm

LHR

EYW

35h 40m

2 stops

2:26 pm - 9:20 am

EYW

LHR

13h 54m

1 stop

$871United Airlines

Tue, Jun 9 - Tue, Jun 16

7:15 pm - 7:10 pm

LCY

EYW

28h 55m

2 stops

1:39 pm - 9:00 am

EYW

LCY

38h 21m

2 stops

$1,092British Airways

Mon, Jun 8 - Mon, Jun 15

8:40 pm - 7:10 pm

LGW

EYW

27h 30m

2 stops

7:40 pm - 8:00 pm

EYW

LGW

19h 20m

2 stops

$1,108British Airways

Mon, May 25 - Mon, Jun 1

5:50 pm - 7:49 pm

LCY

EYW

54h 59m

2 stops

6:19 pm - 5:20 pm

EYW

LCY

18h 01m

2 stops

$1,122KLM

Tue, May 26 - Tue, Jun 2

10:00 am - 5:14 pm

LCY

EYW

36h 14m

2 stops

6:00 pm - 4:40 pm

EYW

LCY

17h 40m

2 stops

$1,710KLM

Tue, Sep 29 - Thu, Oct 1

5:00 pm - 5:29 pm

LGW

EYW

29h 29m

2 stops

6:24 pm - 9:25 am

EYW

LGW

34h 01m

2 stops

$1,770Air France

Mon, Jun 8 - Mon, Jun 15

5:00 pm - 5:23 pm

LGW

EYW

29h 23m

2 stops

6:19 pm - 4:00 pm

EYW

LGW

16h 41m

2 stops

$1,802Air France

Tue, May 26 - Tue, Jun 2

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United Airlines flights from London to Key West

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

United Airlines

Jun 8

LHR6:50 amLondon Heathrow

37h 17m

2 stops

EYW3:07 pmKey West

Jun 15

EYW2:26 pmKey West

25h 14m

1 stop

LHR8:40 pmLondon Heathrow

$870

United Airlines

Jun 9

LHR6:50 amLondon Heathrow

35h 40m

2 stops

EYW1:30 pmKey West

Jun 16

EYW2:26 pmKey West

13h 54m

1 stop

LHR9:20 amLondon Heathrow

$871

United Airlines

Jun 9

LHR6:50 amLondon Heathrow

35h 40m

2 stops

EYW1:30 pmKey West

Jun 16

EYW2:26 pmKey West

16h 24m

2 stops

LHR11:50 amLondon Heathrow

$880

British Airways flights from London to Key West

Our best British Airways deals on London to Key West flight tickets

British Airways

Jun 16

LHR9:55 amLondon Heathrow

14h 15m

1 stop

EYW7:10 pmKey West

Jun 23

EYW1:39 pmKey West

14h 46m

1 stop

LHR9:25 amLondon Heathrow

$965

British Airways

Jun 18

LHR9:55 amLondon Heathrow

14h 15m

1 stop

EYW7:10 pmKey West

Jun 22

EYW1:39 pmKey West

12h 16m

1 stop

LHR6:55 amLondon Heathrow

$1,023

British Airways

Jun 8

LHR8:00 pmLondon Heathrow

28h 10m

2 stops

EYW7:10 pmKey West

Jun 15

EYW7:40 pmKey West

18h 15m

2 stops

LHR6:55 pmLondon Heathrow

$1,039

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 9/29

9:55 am-6:27 pm

1 stop13h 32m

Key West

Thu 10/1

7:51 pm-9:40 pm

2 stops20h 49m

$809

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 9/29

11:15 am-7:45 pm

1 stop13h 30m

Key West

Thu 10/1

6:00 pm-7:15 am

1 stop32h 15m

$858

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Mon 6/8

6:50 am-3:07 pm

2 stops37h 17m

Key West

Mon 6/15

2:26 pm-8:40 pm

1 stop25h 14m

$870

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Tue 6/9

6:50 am-1:30 pm

2 stops35h 40m

Key West

Tue 6/16

2:26 pm-9:20 am

1 stop13h 54m

$871

LondonKey West

LCY - EYW

LCYEYW

London City

Mon 6/8

7:15 pm-7:10 pm

2 stops28h 55m

Key West

Mon 6/15

1:39 pm-9:00 am

2 stops38h 21m

$1,092

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Mon 5/25

8:40 pm-7:10 pm

2 stops27h 30m

Key West

Mon 6/1

7:40 pm-8:00 pm

2 stops19h 20m

$1,108

LondonKey West

LCY - EYW

LCYEYW

London City

Tue 5/26

5:50 pm-7:49 pm

2 stops54h 59m

Key West

Tue 6/2

6:19 pm-5:20 pm

2 stops18h 01m

$1,122

LondonKey West

LCY - EYW

LCYEYW

London City

Tue 9/29

10:00 am-5:14 pm

2 stops36h 14m

Key West

Thu 10/1

6:00 pm-4:40 pm

2 stops17h 40m

$1,710

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Mon 6/8

5:00 pm-5:29 pm

2 stops29h 29m

Key West

Mon 6/15

6:24 pm-9:25 am

2 stops34h 01m

$1,770

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Tue 5/26

5:00 pm-5:23 pm

2 stops29h 23m

Key West

Tue 6/2

6:19 pm-4:00 pm

2 stops16h 41m

$1,802

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 typical price of a round-trip flight between London and Key West?

What is the cheapest month to fly to Key West?

In general, April 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 $219. If you are unable to visit Key West during the month of April, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around $548.

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	13h 32m
Direct flights	None

The fastest flight from London to Key West takes 13h 32m

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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Frequently asked questions about flying from London to Key West

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 13h 32m.
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 $444

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 5/13. 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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United Airlines flights from London to Key West

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

British Airways flights from London to Key West

Our best British Airways 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 typical price of a round-trip flight between London and Key West?

What is the cheapest month to fly to Key West?

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

When to book flights from London to Key West

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

Direct flights

Frequently asked questions about flying from London to Key West

Traveling to a place near Key West?

Why use momondo?

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.

Find better results for your trip to the United States

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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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