What is the cheapest airline that flies from London to Florida Keys?

British Airways, United Airlines, and Air Europa are the most popular carriers operating from London to Florida Keys

Which airlines fly to Florida Keys?

Virgin Atlantic, American Airlines and British Airways are the top three most popular airlines that fly to Florida Keys from London according to our data. Virgin Atlantic is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How many flights depart from London to Florida Keys on average per week?

As of December 2025, 168 flights take off from London and land in Florida Keys each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

When did momondo last update prices for flights from London to Florida Keys?

Prices for flights from London to Florida Keys are updated daily.

How many operators does momondo search for flights from London to Florida Keys?

As of December 2025, there are 20 operators available to choose from for flights from London to Florida Keys.

How old do you have to be to fly from London to Florida Keys?

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 Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£306 Cheap Flights from London to Florida Keys in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 London to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

14:00 - 13:30

LGW

EYW

28h 30m2 stops

09:46 - 10:00

EYW

LGW

19h 14m1 stop

£409Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

14:00 - 12:26

LGW

EYW

27h 26m1 stop

09:46 - 10:00

EYW

LGW

19h 14m1 stop

£422Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

16:20 - 16:02

LHR

EYW

27h 42m2 stops

16:45 - 05:55

EYW

LHR

33h 10m2 stops

£424United Airlines

Thu, 19 Mar - Mon, 23 Mar

15:25 - 17:50

LHR

MIA

31h 25m1 stop

08:20 - 06:20

MIA

LHR

17h 00m2 stops

£449Finnair

Sun, 11 Jan - Sun, 18 Jan

06:00 - 14:50

LHR

MIA

13h 50m1 stop

16:35 - 11:25

MIA

LHR

13h 50m1 stop

£450TAP AIR PORTUGAL

Tue, 27 Jan - Wed, 4 Feb

16:40 - 14:50

LGW

MIA

27h 10m1 stop

16:35 - 15:45

MIA

LGW

18h 10m1 stop

£450TAP AIR PORTUGAL

Fri, 16 Jan - Fri, 23 Jan

11:25 - 16:25

LHR

MIA

10h 00mdirect

15:35 - 11:10

MIA

LHR

14h 35m1 stop

£452Virgin Atlantic

Wed, 6 May - Wed, 20 May

06:05 - 15:10

LHR

MIA

14h 05m1 stop

22:15 - 12:05

MIA

LHR

8h 50mdirect

£454British Airways

Tue, 3 Feb - Tue, 17 Feb

10:00 - 22:48

LCY

MIA

17h 48m2 stops

07:40 - 07:15

MIA

LCY

18h 35m2 stops

£455Virgin Atlantic

Thu, 5 Feb - Mon, 9 Feb

09:45 - 14:40

LHR

MIA

9h 55mdirect

22:15 - 12:05

MIA

LHR

8h 50mdirect

£455British Airways

Thu, 19 Feb - Tue, 3 Mar

Lufthansa flights from London to Florida Keys

Our best Lufthansa deals on London to Florida Keys flight tickets

Lufthansa

19 Jan

LHR07:40London Heathrow

14h 15m

1 stop

MIA16:55Miami

2 Feb

MIA14:32Miami

13h 38m

1 stop

LHR09:10London Heathrow

£467

Find similar

Lufthansa

29 Dec

LHR10:25London Heathrow

30h 45m

1 stop

MIA12:10Miami

5 Jan

MIA20:00Miami

19h 35m

1 stop

LHR20:35London Heathrow

£496

Find similar

Finnair flights from London to Florida Keys

Our best Finnair deals on London to Florida Keys flight tickets

Finnair

11 Jan

LHR15:25London Heathrow

31h 25m

1 stop

MIA17:50Miami

18 Jan

MIA08:20Miami

17h 00m

2 stops

LHR06:20London Heathrow

£449

Find similar

Finnair

22 Mar

LHR10:20London Heathrow

35h 30m

1 stop

MIA17:50Miami

30 Mar

MIA19:35Miami

8h 50m

LHR09:25London Heathrow

£466

Find similar

Finnair

8 Jan

LHR13:50London Heathrow

13h 25m

1 stop

MIA22:15Miami

17 Jan

MIA06:45Miami

18h 35m

2 stops

LHR06:20London Heathrow

£471

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 29/1

14:00-13:30

2 stops28h 30m

Key West

Thu 5/2

09:46-10:00

1 stop19h 14m

£409

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 29/1

14:00-12:26

1 stop27h 26m

Key West

Thu 5/2

09:46-10:00

1 stop19h 14m

£422

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Thu 19/3

16:20-16:02

2 stops27h 42m

Key West

Mon 23/3

16:45-05:55

2 stops33h 10m

£424

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 11/1

15:25-17:50

1 stop31h 25m

Miami

Sun 18/1

08:20-06:20

2 stops17h 00m

£449

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 27/1

06:00-14:50

1 stop13h 50m

Miami

Wed 4/2

16:35-11:25

1 stop13h 50m

£450

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 16/1

16:40-14:50

1 stop27h 10m

Miami

Fri 23/1

16:35-15:45

1 stop18h 10m

£450

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 6/5

11:25-16:25

Nonstop10h 00m

Miami

Wed 20/5

15:35-11:10

1 stop14h 35m

£452

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 3/2

06:05-15:10

1 stop14h 05m

Miami

Tue 17/2

22:15-12:05

Nonstop8h 50m

£454

LondonMiami

LCY - MIA

LCYMIA

London City

Thu 5/2

10:00-22:48

2 stops17h 48m

Miami

Mon 9/2

07:40-07:15

2 stops18h 35m

£455

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 19/2

09:45-14:40

Nonstop9h 55m

Miami

Tue 3/3

22:15-12:05

Nonstop8h 50m

£455

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Florida Keys

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 Florida Keys?

The cheapest month to fly to Florida Keys from London is in September. Flight prices, which tend to average around £402, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Florida Keys, with average flight prices from London averaging around £435.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from London to Florida Keys is on a Wednesday. Travellers who choose to depart for Florida Keys on a Wednesday will often find tickets for as low as £564. On the other hand, Sunday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £657.

What is the cheapest time of day to depart on your flight to Florida Keys?

Our most recent data shows that the best time of day to fly to Florida Keys is in the evening. Flights from London to Florida Keys during this time can be as low as £537. Flights in the morning are often more expensive, with an average ticket price of £617.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around £533 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from London for as low as £485 on momondo.

Can stopping save me money on London to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between London to Florida Keys.

Cheap London to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Florida Keys

Fastest flight time	9h 30m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from London to Florida Keys takes 9h 30m

Direct flights go from London to Florida Keys every day.

There are 3 airports in Florida Keys. From London there are direct flights to Miami (MIA).

Search flight deals

When did momondo last update prices for flights from London to Florida Keys?
Prices for flights from London to Florida Keys are updated daily.
How many operators does momondo search for flights from London to Florida Keys?
As of December 2025, there are 20 operators available to choose from for flights from London to Florida Keys.
How old do you have to be to fly from London to Florida Keys?
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 Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from London to Florida Keys is Boeing 787-9 Dreamliner, representing 18.41% of all bookings. The subsequent popular models are Airbus A350-1000 at 16.61%, Boeing 777 at 10.75%, and Boeing 777-300ER at 8.47%.

Best airlines flying from London to Florida Keys

Compare and see reviews for airlines that fly from London to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £452	Free Cancellation	Rating 6.7 7,586 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £494	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom £519	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Florida Keys?

It is quick and easy to find London to Florida Keys flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Florida Keys that suits you.

Can I find flights from London to Florida Keys with flexible booking policies on momondo?

momondo does allow users to show only those flights to Florida Keys from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Florida Keys right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Florida Keys flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.