£345+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
— EYW
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Florida Keys in 2026

Find the latest flights to Florida Keys in 2026, 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 14 January 2026.

Return from

£391

One-way from

£345

Popular in

December

Cheapest in

September

Average price

£464
SWISS
  • SWISS
  • 11/3-16/3
  • 2 total stops
  • 25h 15m total
  • London to Miami
1/5
  • 1/5
  • 2 total stops
  • 48h 08m total
  • London to Florida Keys
Highest demand for flights based on searches. 4% potential increase in price (£21 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for return flights in January 2026

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 14 January 2026
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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 14 January 2026.

Wed 11/309:20
LCY
-
MIA
1 stop13h 10m
SWISS
Mon 16/320:50
MIA
-
LCY
1 stop12h 05m
SWISS
Deal found 13/1£391
Mon 13/407:25
LHR
-
MIA
2 stops17h 48m
Multiple Airlines
Mon 27/412:25
MIA
-
LHR
2 stops16h 35m
Multiple Airlines
Deal found 14/1£391
Wed 4/209:50
LGW
-
MIA
1 stop15h 10m
Multiple Airlines
Tue 10/221:10
MIA
-
LGW
1 stop16h 25m
Multiple Airlines
Deal found 13/1£391
Sun 1/211:25
LHR
-
MIA
1 stop14h 20m
Iberia
Tue 10/222:50
MIA
-
LHR
Nonstop8h 30m
Iberia
Deal found 13/1£392
Wed 4/209:50
LGW
-
MIA
1 stop15h 10m
Multiple Airlines
Sun 8/206:00
MIA
-
LGW
1 stop19h 00m
Multiple Airlines
Deal found 13/1£392
Tue 17/309:15
LCY
-
MIA
1 stop13h 15m
SWISS
Thu 26/320:50
MIA
-
LCY
1 stop31h 10m
SWISS
Deal found 13/1£392
Sat 14/216:20
LHR
-
MIA
1 stop23h 56m
United Airlines
Sat 21/208:45
MIA
-
LHR
1 stop17h 45m
United Airlines
Deal found 13/1£392
Wed 25/211:20
LGW
-
MIA
1 stop14h 00m
British Airways
Sat 21/319:19
MIA
-
LGW
1 stop32h 11m
British Airways
Deal found 13/1£392
Mon 26/109:15
LCY
-
MIA
1 stop13h 15m
SWISS
Mon 9/219:50
MIA
-
LCY
1 stop31h 55m
SWISS
Deal found 13/1£393
Thu 26/206:15
LHR
-
MIA
1 stop13h 55m
Iberia
Mon 9/323:00
MIA
-
LHR
Nonstop8h 30m
Iberia
Deal found 13/1£393
Tue 27/111:55
LGW
-
MIA
1 stop14h 00m
Icelandair
Fri 30/117:15
MIA
-
LGW
1 stop12h 40m
Icelandair
Deal found 13/1£393
Mon 26/109:15
LCY
-
MIA
1 stop13h 15m
SWISS
Wed 4/219:50
MIA
-
LCY
1 stop12h 05m
SWISS
Deal found 13/1£394

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 14 January 2026.
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

Sat 14/2

13:35-11:47

1 stop27h 12m

Miami

Sun 22/2

06:15-07:30

1 stop20h 15m

£392

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 11/3

14:00-20:25

Nonstop10h 25m

Miami

Wed 18/3

22:25-11:10

Nonstop8h 45m

£397

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Wed 4/3

10:00-19:30

1 stop14h 30m

Miami

Tue 17/3

22:45-16:25

1 stop13h 40m

£400

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 9/6

11:30-20:45

1 stop14h 15m

Miami

Thu 2/7

10:20-06:45

1 stop15h 25m

£401

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 14/4

12:15-23:22

2 stops16h 07m

Miami

Tue 5/5

09:16-06:55

2 stops16h 39m

£401

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 7/4

06:15-17:50

1 stop16h 35m

Miami

Mon 20/4

18:05-08:05

Nonstop9h 00m

£401

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 31/3

20:05-10:18

1 stop19h 13m

Miami

Thu 16/4

22:55-12:35

Nonstop8h 40m

£402

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Thu 5/2

08:50-20:55

2 stops17h 05m

Miami

Sun 8/2

17:15-18:55

2 stops20h 40m

£403

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 4/5

08:00-20:57

2 stops17h 57m

Miami

Thu 14/5

09:16-06:55

2 stops16h 39m

£403

LondonMiami

STN - MIA

STNMIA

London Stansted

Thu 5/2

06:30-20:55

2 stops19h 25m

Miami

Sun 8/2

17:15-13:20

2 stops15h 05m

£404

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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6

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 10 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 Icelandair.

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 14 January 2026.
Get a feel of what it's like to fly with KLM, Finnair, andVirgin Atlantic to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Norse Atlantic UK
7.2
Good

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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, British Airways 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 35 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. New Listing! Key Lime Paradise/Condo is the closest property to Key West (0.0 mi away from Key West).

See more FAQs

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