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

British Airways 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.

$533 Cheap Flights from London to Key West in 2026

Find the cheapest flights from London to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 1:29 pmLHR London Heathrow-EYW Key West

24h 29m1 stop Newark

4:00 pm - 1:00 pmEYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

$668United Airlines

Fri, Oct 9 - Sat, Oct 24

6:00 pm - 1:29 pmLHR London Heathrow-EYW Key West

24h 29m1 stop Newark

4:00 pm - 1:00 pmEYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

$669United Airlines

Fri, Oct 9 - Sat, Oct 24

6:00 pm - 1:29 pmLHR London Heathrow-EYW Key West

24h 29m1 stop Newark

4:00 pm - 1:00 pmEYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

$670United Airlines

Fri, Oct 9 - Sat, Oct 24

6:00 pm - 1:29 pmLHR London Heathrow-EYW Key West

24h 29m1 stop Newark

4:00 pm - 1:00 pmEYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

$747United Airlines

Fri, Oct 9 - Sat, Oct 24

6:50 am - 1:29 pmLHR London Heathrow-EYW Key West

35h 39m2 stops Brussels Bruxelles-National Newark

2:15 pm - 8:30 amEYW Key West-LHR London Heathrow

37h 15m2 stops Newark Chicago O'Hare Intl

$751United Airlines

Tue, Oct 13 - Tue, Oct 20

4:40 pm - 1:29 pmLHR London Heathrow-EYW Key West

25h 49m2 stops Washington, D.C. Dulles Intl Newark

4:00 pm - 9:25 amEYW Key West-LHR London Heathrow

36h 25m2 stops Chicago O'Hare Intl Newark

$780United Airlines

Fri, Oct 9 - Sat, Oct 24

8:00 am - 1:29 pmLHR London Heathrow-EYW Key West

58h 29m2 stops Chicago O'Hare Intl Newark

4:00 pm - 1:00 pmEYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

$782United Airlines

Sat, Oct 10 - Sat, Oct 24

8:30 am - 1:29 pmLHR London Heathrow-EYW Key West

57h 59m2 stops Toronto Pearson Intl Newark

4:00 pm - 9:35 pmEYW Key West-LHR London Heathrow

24h 35m2 stops Chicago O'Hare Intl Newark

$790United Airlines

Sat, Oct 10 - Sat, Oct 24

8:00 am - 1:29 pmLHR London Heathrow-EYW Key West

58h 29m2 stops Chicago O'Hare Intl Newark

4:00 pm - 1:00 pmEYW Key West-LHR London Heathrow

16h 00m1 stop Chicago O'Hare Intl

$817United Airlines

Sat, Oct 10 - Sat, Oct 24

8:40 am - 1:29 pmLHR London Heathrow-EYW Key West

33h 49m2 stops Zurich Newark

2:15 pm - 9:00 amEYW Key West-LHR London Heathrow

37h 45m2 stops Newark Chicago O'Hare Intl

$818United Airlines

Mon, Oct 12 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 pm - 6:31 pmLHR London Heathrow-EYW Key West

27h 31m2 stops Madrid Barajas Miami

1:43 pm - 9:00 amEYW Key West-LHR London Heathrow

14h 17m1 stop Miami

$1,126British Airways

Mon, Sep 7 - Wed, Oct 7

8:55 pm - 8:00 pmLHR London Heathrow-EYW Key West

28h 05m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

11:51 am - 7:55 amEYW Key West-LHR London Heathrow

15h 04m2 stops Atlanta Hartsfield-Jackson Orlando

$1,130Virgin Atlantic

Mon, Sep 7 - Wed, Oct 7

9:55 am - 7:39 pmLHR London Heathrow-EYW Key West

14h 44m1 stop Miami

1:43 pm - 9:00 amEYW Key West-LHR London Heathrow

14h 17m1 stop Miami

$1,136British Airways

Mon, Sep 7 - Wed, Oct 7

7:15 pm - 6:31 pmLCY London City-EYW Key West

28h 16m2 stops Madrid Barajas Miami

1:43 pm - 1:10 pmEYW Key West-LCY London City

18h 27m2 stops Miami Barcelona-El Prat

$1,183British Airways

Mon, Sep 7 - Wed, Oct 7

5:00 pm - 5:23 pmLGW London Gatwick-EYW Key West

29h 23m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

6:10 pm - 9:25 amEYW Key West-LGW London Gatwick

34h 15m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$1,194Air France

Mon, Sep 7 - Wed, Oct 7

12:40 pm - 1:29 pmLHR London Heathrow-EYW Key West

29h 49m2 stops Halifax Intl Newark

2:50 pm - 10:50 amEYW Key West-LHR London Heathrow

16h 00m2 stops Newark Washington, D.C. Dulles Intl

$1,215United Airlines

Mon, Sep 7 - Sun, Oct 25

11:15 am - 7:57 pmLHR London Heathrow-EYW Key West

13h 42m1 stop Atlanta Hartsfield-Jackson

6:10 pm - 6:25 amEYW Key West-LHR London Heathrow

32h 15m1 stop Atlanta Hartsfield-Jackson

$1,232Virgin Atlantic

Mon, Sep 7 - Sun, Oct 25

2:00 pm - 9:24 amLGW London Gatwick-EYW Key West

48h 24m3 stops Orlando Charleston Tampa

10:59 am - 8:15 amEYW Key West-LGW London Gatwick

17h 16m1 stop Orlando

$1,249Multiple Airlines

Mon, Sep 7 - Sun, Oct 25

7:15 pm - 6:31 pmLCY London City-EYW Key West

28h 16m2 stops Madrid Barajas Miami

1:43 pm - 8:50 amEYW Key West-LCY London City

15h 07m2 stops Miami Madrid Barajas

$1,304British Airways

Mon, Sep 7 - Sun, Oct 25

10:20 am - 10:46 amLHR London Heathrow-EYW Key West

29h 26m3 stops Kastrup Copenhagen New York John F Kennedy Intl Atlanta Hartsfield-Jackson

7:40 am - 9:20 amEYW Key West-LHR London Heathrow

20h 40m3 stops Atlanta Hartsfield-Jackson Newark Kastrup Copenhagen

$2,653Multiple Airlines

Mon, Sep 7 - Wed, Oct 7

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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

Oct 9

LHR6:00 pmLondon Heathrow

24h 29m

1 stop

EYW1:29 pmKey West

Oct 24

EYW4:00 pmKey West

16h 00m

1 stop

LHR1:00 pmLondon Heathrow

$668

United Airlines

Oct 9

LHR6:00 pmLondon Heathrow

24h 29m

1 stop

EYW1:29 pmKey West

Oct 24

EYW4:00 pmKey West

16h 00m

1 stop

LHR1:00 pmLondon Heathrow

$669

United Airlines

Oct 9

LHR4:00 pmLondon Heathrow

26h 29m

1 stop

EYW1:29 pmKey West

Oct 24

EYW4:00 pmKey West

36h 25m

2 stops

LHR9:25 amLondon Heathrow

$670

British Airways flights from London to Key West

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

British Airways

Oct 14

LHR12:15 pmLondon Heathrow

12h 18m

1 stop

EYW7:33 pmKey West

Oct 21

EYW1:43 pmKey West

12h 12m

1 stop

LHR6:55 amLondon Heathrow

$873

British Airways

Oct 13

LHR9:55 amLondon Heathrow

14h 38m

1 stop

EYW7:33 pmKey West

Oct 20

EYW8:03 pmKey West

11h 32m

1 stop

LHR12:35 pmLondon Heathrow

$905

British Airways

Oct 13

LHR9:55 amLondon Heathrow

14h 38m

1 stop

EYW7:33 pmKey West

Oct 20

EYW8:03 pmKey West

11h 32m

1 stop

LHR12:35 pmLondon Heathrow

$907

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 10/9

6:00 pm-1:29 pm

1 stop24h 29m

Key West

Sat 10/24

4:00 pm-1:00 pm

1 stop16h 00m

$668

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 10/9

6:00 pm-1:29 pm

1 stop24h 29m

Key West

Sat 10/24

4:00 pm-1:00 pm

1 stop16h 00m

$669

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 10/9

6:00 pm-1:29 pm

1 stop24h 29m

Key West

Sat 10/24

4:00 pm-1:00 pm

1 stop16h 00m

$670

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 10/9

6:00 pm-1:29 pm

1 stop24h 29m

Key West

Sat 10/24

4:00 pm-1:00 pm

1 stop16h 00m

$747

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Tue 10/13

6:50 am-1:29 pm

2 stops35h 39m

Key West

Tue 10/20

2:15 pm-8:30 am

2 stops37h 15m

$751

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 10/9

4:40 pm-1:29 pm

2 stops25h 49m

Key West

Sat 10/24

4:00 pm-9:25 am

2 stops36h 25m

$780

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 10/10

8:00 am-1:29 pm

2 stops58h 29m

Key West

Sat 10/24

4:00 pm-1:00 pm

1 stop16h 00m

$782

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 10/10

8:30 am-1:29 pm

2 stops57h 59m

Key West

Sat 10/24

4:00 pm-9:35 pm

2 stops24h 35m

$790

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Sat 10/10

8:00 am-1:29 pm

2 stops58h 29m

Key West

Sat 10/24

4:00 pm-1:00 pm

1 stop16h 00m

$817

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Mon 10/12

8:40 am-1:29 pm

2 stops33h 49m

Key West

Mon 10/19

2:15 pm-9:00 am

2 stops37h 45m

$818

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $634 to $792.
The lowest price recently found on this route was $668.

What is the cheapest month to fly to Key West?

In general, August 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 $591. If you are unable to visit Key West during the month of August, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $741.

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

Best Price Found	$533
Fastest flight time	13h 02m
Direct flights	None

The best one-way flight to Key West from London in the past 72 hours is $533. The best round-trip flight deal from London to Key West found on momondo in the last 72 hours is $668.

The fastest flight from London to Key West takes 13h 02m

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

Search flight deals

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 02m.
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.

Big Pine Key

Little Torch Key

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 $533

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 10/29. 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

Best Price Found

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

Airports servicing Florida

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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According to popular flight searches on momondo this year

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