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

United Airlines, Finnair, and LEVEL are the most popular carriers operating from London to Florida Keys

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

As of May 2026, 152 flights take off from London and land in Florida Keys each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

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 57% 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.

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 May 2026, there are 19 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.

£357 Cheap Flights from London to Florida Keys in 2026

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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.

21:50 - 16:00

LTN

MIA

23h 10m

1 stop

16:40 - 20:05

MIA

LTN

22h 25m

1 stop

£526Multiple Airlines

Thu, 11 Jun - Tue, 16 Jun

20:55 - 14:45

LHR

MIA

22h 50m

1 stop

18:00 - 13:15

MIA

LHR

14h 15m

1 stop

£526Virgin Atlantic

Mon, 22 Jun - Mon, 13 Jul

10:25 - 17:50

LGW

MIA

12h 25m

1 stop

23:00 - 16:00

MIA

LGW

12h 00m

1 stop

£526KLM

Wed, 8 Jul - Wed, 15 Jul

12:15 - 16:55

LHR

MIA

9h 40mdirect

22:40 - 12:35

MIA

LHR

8h 55mdirect

£526Finnair

Wed, 8 Jul - Wed, 15 Jul

12:15 - 18:45

STN

MIA

35h 30m

2 stops

21:30 - 00:10

MIA

STN

21h 40m

2 stops

£527Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

21:35 - 14:50

LGW

MIA

22h 15m

2 stops

16:50 - 15:45

MIA

LGW

17h 55m

1 stop

£528TAP AIR PORTUGAL

Mon, 16 Nov - Mon, 25 Jan

21:35 - 14:50

LGW

MIA

22h 15m

2 stops

23:50 - 20:35

MIA

LGW

15h 45m

2 stops

£532TAP AIR PORTUGAL

Fri, 6 Nov - Sun, 8 Nov

12:20 - 21:00

LGW

MIA

13h 40m

1 stop

16:18 - 08:40

MIA

LGW

11h 22m

1 stop

£534British Airways

Mon, 24 Aug - Tue, 8 Sep

07:45 - 14:45

LCY

MIA

12h 00m

1 stop

16:55 - 09:30

MIA

LCY

11h 35m

1 stop

£552KLM

Tue, 25 Aug - Tue, 8 Sep

09:55 - 18:24

LHR

EYW

13h 29m

1 stop

12:00 - 12:05

EYW

LHR

19h 05m

1 stop

£578British Airways

Wed, 7 Oct - Wed, 25 Nov

Royal Air Maroc flights from London to Florida Keys

Our best Royal Air Maroc deals on London to Florida Keys flight tickets

Royal Air Maroc

5 Jun

STN07:25London Stansted

17h 20m

1 stop

MIA19:45Miami

7 Oct

MIA21:45Miami

27h 35m

1 stop

STN06:20London Stansted

£571

Royal Air Maroc

11 Sept

STN07:25London Stansted

17h 20m

1 stop

MIA19:45Miami

23 Sept

MIA21:45Miami

27h 35m

1 stop

STN06:20London Stansted

£575

LEVEL flights from London to Florida Keys

Our best LEVEL deals on London to Florida Keys flight tickets

LEVEL

5 Jun

LHR09:55London Heathrow

15h 05m

1 stop

MIA20:00Miami

7 Oct

MIA22:00Miami

17h 05m

1 stop

LHR20:05London Heathrow

£533

LEVEL

5 Jun

LHR09:55London Heathrow

15h 05m

1 stop

MIA20:00Miami

5 Oct

MIA22:00Miami

30h 10m

1 stop

LHR09:10London Heathrow

£538

LEVEL

21 Oct

LGW10:55London Gatwick

14h 05m

1 stop

MIA20:00Miami

30 Oct

MIA22:45Miami

30h 35m

1 stop

LGW09:20London Gatwick

£539

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMiami

LTN - MIA

LTNMIA

London Luton

Thu 11/6

21:50-16:00

1 stop23h 10m

Miami

Tue 16/6

16:40-20:05

1 stop22h 25m

£526

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 22/6

20:55-14:45

1 stop22h 50m

Miami

Mon 13/7

18:00-13:15

1 stop14h 15m

£526

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 8/7

10:25-17:50

1 stop12h 25m

Miami

Wed 15/7

23:00-16:00

1 stop12h 00m

£526

Fastest return journey

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 8/7

12:15-16:55

Nonstop9h 40m

Miami

Wed 15/7

22:40-12:35

Nonstop8h 55m

£526

LondonMiami

STN - MIA

STNMIA

London Stansted

Wed 16/9

12:15-18:45

2 stops35h 30m

Miami

Wed 23/9

21:30-00:10

2 stops21h 40m

£527

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 16/11

21:35-14:50

2 stops22h 15m

Miami

Mon 25/1

16:50-15:45

1 stop17h 55m

£528

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 6/11

21:35-14:50

2 stops22h 15m

Miami

Sun 8/11

23:50-20:35

2 stops15h 45m

£532

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 24/8

12:20-21:00

1 stop13h 40m

Miami

Tue 8/9

16:18-08:40

1 stop11h 22m

£534

LondonMiami

LCY - MIA

LCYMIA

London City

Tue 25/8

07:45-14:45

1 stop12h 00m

Miami

Tue 8/9

16:55-09:30

1 stop11h 35m

£552

LondonKey West

LHR - EYW

LHREYW

London Heathrow

Wed 7/10

09:55-18:24

1 stop13h 29m

Key West

Wed 25/11

12:00-12:05

1 stop19h 05m

£578

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 £432, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Florida Keys, with average flight prices from London averaging around £475.

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 £580. 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 £656.

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 at midday. Flights from London to Florida Keys during this time can be as low as £595. Flights in the afternoon are often more expensive, with an average ticket price of £635.

How far in advance should I book a flight from London 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 £544 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 £497 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 35m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from London to Florida Keys takes 9h 35m

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

Frequently asked questions about flying from London to Florida Keys

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 May 2026, there are 19 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 17.42% of all bookings. The subsequent popular models are Airbus A350-1000 at 14.64%, Boeing 777 at 12.38%, and Airbus A321neo at 7.74%.

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 £480	Free Cancellation	Rating 6.7 8,007 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £492	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom £515	Free Cancellation	Rating 7.1 11,642 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.