£309+ 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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
— EYW
27 Mar — 3 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Florida Keys in 2026

Enter your travel dates to find the best prices.

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 25 February 2026.

Wed 11/309:45
LHR
-
MIA
Nonstop9h 55m
British Airways
Tue 12/517:00
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 25/2£379
Sat 2/510:00
LGW
-
MIA
1 stop13h 45m
Air Europa
Sun 24/521:30
MIA
-
LGW
1 stop13h 55m
Air Europa
Deal found 22/2£379
Mon 4/515:40
LHR
-
MIA
Nonstop9h 35m
British Airways
Mon 11/522:40
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 23/2£381
Tue 10/311:55
LGW
-
MIA
1 stop14h 00m
Icelandair
Wed 22/418:15
MIA
-
LGW
1 stop15h 25m
Icelandair
Deal found 22/2£381
Tue 17/312:15
LHR
-
MIA
1 stop13h 40m
Icelandair
Wed 25/318:15
MIA
-
LHR
1 stop21h 15m
Icelandair
Deal found 24/2£383
Tue 17/312:15
LHR
-
MIA
1 stop13h 40m
Icelandair
Sun 29/318:15
MIA
-
LHR
1 stop12h 40m
Icelandair
Deal found 24/2£385
Fri 4/909:55
LHR
-
MIA
Nonstop9h 35m
British Airways
Thu 24/917:00
MIA
-
LHR
Nonstop8h 55m
British Airways
Deal found 21/2£386
Wed 15/415:40
LGW
-
MIA
1 stop35h 15m
Icelandair
Wed 29/418:15
MIA
-
LGW
1 stop15h 25m
Icelandair
Deal found 22/2£387
Tue 10/312:15
LHR
-
MIA
1 stop13h 40m
Icelandair
Wed 25/318:15
MIA
-
LHR
1 stop12h 35m
Icelandair
Deal found 23/2£388
Tue 3/308:30
LGW
-
MIA
1 stop15h 25m
Multiple Airlines
Tue 24/321:10
MIA
-
LGW
1 stop17h 25m
Multiple Airlines
Deal found 24/2£392
Tue 10/312:15
LHR
-
MIA
1 stop13h 40m
Icelandair
Wed 22/418:15
MIA
-
LHR
1 stop21h 05m
Icelandair
Deal found 22/2£393
Wed 11/319:25
LGW
-
MIA
1 stop27h 30m
Multiple Airlines
Tue 24/321:10
MIA
-
LGW
1 stop17h 25m
Multiple Airlines
Deal found 24/2£396

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 25 February 2026
Explore Florida Keys

Find flight deals to Florida Keys

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 25 February 2026.

Return from

£379

One-way from

£309

Popular in

December

Cheapest in

September

Average price

£465
British Airways
  • British Airways
  • 11/3-12/5
  • Nonstop
  • 18h 50m total
  • London to Miami
Icelandair
  • Icelandair
  • 14/4
  • 1 total stop
  • 13h 50m total
  • London to Florida Keys
Highest demand for flights based on searches. 3% potential increase in price (£20 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 February 2026

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 25 February 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

LondonKey West

LGW - EYW

LGWEYW

London Gatwick

Thu 12/3

14:00-12:26

1 stop26h 26m

Key West

Wed 25/3

11:51-10:00

1 stop18h 09m

£470

LondonMiami

SEN - MIA

SENMIA

London Southend

Wed 8/4

08:25-20:00

1 stop16h 35m

Miami

Wed 15/4

21:45-13:00

2 stops34h 15m

£473

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 13/4

08:40-17:30

1 stop13h 50m

Miami

Tue 19/5

10:16-05:55

1 stop14h 39m

£476

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 14/4

08:45-17:25

1 stop13h 40m

Miami

Thu 23/4

08:55-06:55

2 stops17h 00m

£476

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Mon 13/4

06:50-20:00

1 stop18h 10m

Miami

Mon 27/4

21:45-12:15

1 stop33h 30m

£477

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 14/4

07:50-16:40

1 stop13h 50m

Miami

Tue 28/4

22:40-12:35

Nonstop8h 55m

£484

LondonMiami

SEN - MIA

SENMIA

London Southend

Wed 29/4

08:25-23:25

2 stops20h 00m

Miami

Sun 10/5

16:30-19:50

2 stops22h 20m

£491

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 17/3

21:20-22:50

2 stops29h 30m

Miami

Tue 24/3

17:35-09:25

2 stops35h 50m

£493

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 10/4

09:10-20:00

1 stop15h 50m

Miami

Mon 13/4

21:45-11:25

1 stop32h 40m

£499

LondonMiami

LCY - MIA

LCYMIA

London City

Wed 11/3

16:45-16:55

1 stop28h 10m

Miami

Thu 26/3

20:40-07:55

2 stops31h 15m

£505

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 60 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 15 hours 5 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, Icelandair and SWISS.

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 25 February 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.

Crew

8.4

Comfort

7.6

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Norse Atlantic UK
7.3
Good

Crew

8.4

Comfort

7.6

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 30 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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