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£188+ Cheap flights to Florida Keys

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
— EYW
18 juin — 25 juin1
1 adult

Flights to Florida Keys in 2025

Find the latest flights to Florida Keys in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 13 juin 2025.

Return from

£345

One-way from

£188

Popular in

December

Cheapest in

September

Average price

£461
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 19/11-27/11
  • 2 total stops
  • 27h 40m total
  • London to Miami
Norse Atlantic UK
  • Norse Atlantic UK
  • 18/6
  • Nonstop
  • 9h 20m total
  • London to Florida Keys
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for return flights in June 2025

Find flights to Florida Keys

Browse one-way and return flights deals to Florida Keys on Cheapflights. Flight deals are based on user searches and were last updated on 13 juin 2025
Explore Florida Keys

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Cheapest flights to Florida Keys
Explore the most affordable flight options available to Florida Keys. Find the lowest fares based on data from user searches, with prices last updated on 13 juin 2025.

mar. 2/1218:40LHR - MIA
1 stop28h 10mScandinavian Airlines
mar. 9/1219:40MIA - LHR
1 stop15h 20mScandinavian Airlines
Deal found 10/6£342
jeu. 26/610:00LGW - MIA
Nonstop9h 20mNorse Atlantic UK
dim. 6/717:15MIA - LGW
Nonstop8h 40mNorse Atlantic UK
Deal found 10/6£344
mer. 19/1106:00LHR - MIA
1 stop13h 50mTAP AIR PORTUGAL
jeu. 27/1116:35MIA - LHR
1 stop13h 50mTAP AIR PORTUGAL
Deal found 12/6£345
mar. 16/916:25LGW - MIA
1 stop27h 20mTAP AIR PORTUGAL
lun. 22/916:35MIA - LGW
1 stop18h 00mTAP AIR PORTUGAL
Deal found 11/6£345
mar. 2/915:05LGW - MIA
1 stop14h 03mBritish Airways
mar. 9/910:29MIA - LGW
1 stop16h 41mBritish Airways
Deal found 11/6£356
dim. 15/610:00LGW - MIA
Nonstop9h 20mMultiple Airlines
mer. 6/816:30MIA - LGW
1 stop16h 30mMultiple Airlines
Deal found 11/6£366
jeu. 11/917:50STN - MIA
2 stops32h 55mMultiple Airlines
mer. 17/903:55MIA - STN
2 stops22h 20mMultiple Airlines
Deal found 10/6£367
mar. 4/1106:30LHR - MIA
1 stop13h 20mKLM
mar. 18/1121:35MIA - LHR
Nonstop8h 50mKLM
Deal found 11/6£368
mer. 10/910:45LHR - MIA
Nonstop10h 00mAir France
mer. 24/922:30MIA - LHR
Nonstop8h 45mAir France
Deal found 11/6£369
lun. 1/915:55LHR - MIA
Nonstop9h 40mVirgin Atlantic
jeu. 25/919:25MIA - LHR
Nonstop9h 00mVirgin Atlantic
Deal found 11/6£369
mar. 2/908:55LHR - MIA
1 stop13h 20mBritish Airways
lun. 15/915:10MIA - LHR
1 stop10h 45mBritish Airways
Deal found 12/6£373
mar. 17/610:00LGW - MIA
Nonstop9h 20mA.P.G.
sam. 5/717:20MIA - LGW
Nonstop8h 40mA.P.G.
Deal found 12/6£375

Cheapflights Fare Finder

Locate flights to Florida Keys that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 13 juin 2025.
Use the filters below to find and compare flights to Florida Keys that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

mar. 2/12

18:40-17:50

1 stop28h 10m

Miami

mar. 9/12

19:40-16:00

1 stop15h 20m

£342

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

jeu. 26/6

10:00-14:20

Nonstop9h 20m

Miami

dim. 6/7

17:15-06:55

Nonstop8h 40m

£344

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

mer. 19/11

06:00-14:50

1 stop13h 50m

Miami

jeu. 27/11

16:35-11:25

1 stop13h 50m

£345

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

mar. 16/9

16:25-14:45

1 stop27h 20m

Miami

lun. 22/9

16:35-15:35

1 stop18h 00m

£345

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

jeu. 4/9

10:00-14:20

Nonstop9h 20m

Miami

sam. 27/9

21:35-18:55

1 stop16h 20m

£347

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

mar. 2/9

15:05-00:08

1 stop14h 03m

Miami

mar. 9/9

10:29-08:10

1 stop16h 41m

£356

LondonMiami

STN - MIA

STNMIA

London Stansted

jeu. 11/9

17:50-21:45

2 stops32h 55m

Miami

mer. 17/9

03:55-07:15

2 stops22h 20m

£367

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

mar. 4/11

06:30-14:50

1 stop13h 20m

Miami

mar. 18/11

21:35-11:25

Nonstop8h 50m

£368

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

mer. 10/9

10:45-15:45

Nonstop10h 00m

Miami

mer. 24/9

22:30-12:15

Nonstop8h 45m

£369

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

lun. 1/9

15:55-20:35

Nonstop9h 40m

Miami

jeu. 25/9

19:25-09:25

Nonstop9h 00m

£369

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 53 results
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Best time to book a flight to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Florida Keys

How long is the flight to Florida Keys?

On average, a flight from London to Florida Keys takes 16 hours 55 minutes. Flights to Florida Keys from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Florida Keys?

The cheapest airlines flying from London to Florida Keys are Norse Atlantic UK, Delta and Scandinavian Airlines.

Rainfall in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Florida Keys ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Florida Keys when rainfall is around 41.0 mm.

Temperature in Florida Keys by month

Plan your trip to Florida Keys by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Florida Keys, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated 13 juin 2025.
To help decide which airline to fly to Florida Keys, see what other customers have to say about Delta, Alaska Airlines and KLM. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

FAQs about flying to Florida Keys

Florida Keys climate

The Florida Keys is a year-round travel destination known for its warmth, sunshine and near-perfect beach weather. Travel to the Florida Keys is most popular November to February when Northern Americans are looking to escape the frigid winter cold. But this is also when flights to the Florida Keys are most expensive.For cheap flights to the Florida Keys, book your Florida Keys travel during June-August and September-November.  The weather is still warm and pleasant but the threat of hurricanes during this time is present. 

Getting around Florida Keys

The best way to explore the Florida Keys is by car, but the Overseas Highway can be extremely busy, particularly at weekends and over holiday periods, so patience is required. This is the only main road in and out of the Keys. In Key West, parking can be difficult; park-and-ride shuttles and taxis are available and recommended.

Buses are available as well. The Dade-Monroe Express bus runs from Key Marathon to Florida City, offering round trips on the hour and stopping on demand. Greyhound runs a Keys shuttle bus several times a day between Miami International Airport, stopping at all major points along the Keys.

Cycling is a pleasant way to explore the individual Keys, and scooter rentals are also popular.

What is good to know if travelling to Florida Keys?

  • Key Largo has some of the best diving opportunities in the world. Take a day and explore the underwater reefs and wrecks. It is also home to John Pennekamp Coral Reef State Park, a spectacular underwater park. If you don’t dive or scuba, and prefer to stay above water, book a tour on a glass-bottom boat so you can the underwater world without getting your feet wet.  
  • Duval Street in Key West is the artist’s district. Take a stroll through many of the galleries and boutiques. After a day of shopping, head to Mallory Square (end of Duval) for the “Sunset Fest.” Everyone gathers here nightly to watch the gorgeous Keys sunset while musicians and street acts perform in the background.
  • If you’re staying on the island of Islamorada, you’ll want to bring your fishing gear. Islamorada has more fishing vessels per square mile than any other vacation destination in the world.
  • Take a trip to Big Pine Key and be on the lookout for the island’s native Key Deer. These rare white tail deer roam Big Pine Key because of the island’s lush forestland and natural landscape.
  • When is the best time to fly to Florida Keys?

    Peak Season November to February and March-May are the busiest times in the Florida Keys. The weather is warm, the sun is shining and the beaches are packed with people looking to thaw-out from the cold winter air. The Florida Keys is also a big Spring Break destination so be prepared for crowded Florida Keys flights and hotels if you’re traveling during this time. Off Season Smart Floridians know to head to the Florida Keys June-August to “cool off” from the hot and humid air inland. But this is also hurricane season (August – November) so the weather can change in a second. However, it’s likely you’ll find cheap flights to the Florida Keys and discounted hotels and resorts during these months, when the peak tourist season has ended.

  • Can I find cheaper flights to Florida Keys if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Florida Keys on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Florida Keys?

    Based on reviews from Cheapflights users, Virgin Atlantic is rated the highest out of the airlines that fly to Florida Keys.

  • Where does the fastest flight to Florida Keys depart from?

    For those looking to save time traveling to Florida Keys, London offers the quickest one-way flight (9 hours 20 minutes).

  • Does Key West have car hire?

    Yes. Those touching down at Key West can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Key West?

    Yes. Key West has hotels nearby for those requiring accommodations. 2 Br At Hyatt Windward Pointe is the closest property to Key West (0.0 mi away from Key West).

See more FAQs

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