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£284+ 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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
— EYW
28 Dec — 4 Jan1
1 adult
1 adult, Economy, 0 bags

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 28 November 2025.

Return from

£451

One-way from

£284

Popular in

December

Cheapest in

September

Average price

£461
SWISS
  • SWISS
  • 16/2-24/2
  • 2 total stops
  • 25h 20m total
  • London to Miami
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15/4
  • 15/4
  • 1 total stop
  • 24h 06m total
  • London to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 28 November 2025
Explore Florida Keys
Flights to Miami
Flights to Key West

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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 28 November 2025.

Tue 2/1219:45STN - MIA
2 stops29h 35mMultiple Airlines
Tue 9/1222:40MIA - STN
2 stops18h 45mMultiple Airlines
Deal found 26/11£451
Wed 3/1220:35LHR - MIA
1 stop29h 20mIcelandair
Wed 10/1217:15MIA - LHR
1 stop12h 35mIcelandair
Deal found 27/11£451
Sat 27/1211:05LHR - MIA
1 stop17h 34mVirgin Atlantic
Sat 17/115:47MIA - LHR
1 stop12h 33mVirgin Atlantic
Deal found 27/11£452
Wed 24/1212:30LGW - MIA
1 stop32h 05mBritish Airways
Wed 14/116:40MIA - LGW
1 stop11h 20mBritish Airways
Deal found 26/11£452
Mon 15/1213:50LHR - MIA
1 stop22h 57mFinnair
Mon 19/106:45MIA - LHR
2 stops21h 55mFinnair
Deal found 27/11£452
Wed 3/1206:50LCY - MIA
1 stop15h 20mBritish Airways
Wed 10/1219:05MIA - LCY
1 stop21h 25mBritish Airways
Deal found 26/11£453
Mon 8/1211:15LHR - MIA
Nonstop9h 50mIberia
Wed 24/1222:25MIA - LHR
Nonstop8h 40mIberia
Deal found 27/11£453
Tue 9/1211:20LGW - MIA
1 stop13h 59mAmerican Airlines
Tue 16/1213:15MIA - LGW
1 stop13h 15mAmerican Airlines
Deal found 27/11£453
Mon 8/1211:15LHR - MIA
Nonstop9h 50mFinnair
Wed 24/1222:25MIA - LHR
Nonstop8h 40mFinnair
Deal found 27/11£454
Wed 3/1209:50LHR - MIA
1 stop12h 20mBritish Airways
Sat 6/1219:40MIA - LHR
1 stop29h 55mBritish Airways
Deal found 26/11£455
Thu 4/1211:55LGW - MIA
1 stop14h 00mIcelandair
Sun 14/1217:15MIA - LGW
1 stop12h 40mIcelandair
Deal found 26/11£455
Thu 4/1213:30LHR - MIA
1 stop13h 33mBritish Airways
Tue 9/1215:27MIA - LHR
1 stop10h 53mBritish Airways
Deal found 27/11£455

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 28 November 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

LCY - MIA

LCYMIA

London City

Wed 4/3

06:50-18:00

1 stop16h 10m

Miami

Wed 18/3

20:55-12:40

1 stop11h 45m

£452

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Fri 16/1

11:20-21:10

2 stops38h 50m

Miami

Mon 19/1

13:11-07:30

1 stop13h 19m

£452

LondonMiami

STN - MIA

STNMIA

London Stansted

Sat 14/2

21:00-20:00

1 stop28h 00m

Miami

Sun 22/2

21:45-17:35

1 stop14h 50m

£452

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 20/3

06:50-22:29

2 stops19h 39m

Miami

Sun 29/3

21:05-11:50

1 stop33h 45m

£452

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 27/1

11:20-12:36

1 stop30h 16m

Miami

Sat 31/1

21:44-07:30

1 stop28h 46m

£452

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Tue 27/1

12:05-14:40

1 stop31h 35m

Miami

Tue 3/2

12:35-06:20

1 stop12h 45m

£460

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Wed 28/1

09:00-17:30

1 stop13h 30m

Miami

Tue 3/2

19:50-16:20

1 stop15h 30m

£460

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 12/1

11:30-20:20

1 stop13h 50m

Miami

Mon 26/1

22:00-11:45

Nonstop8h 45m

£461

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Mon 20/4

14:40-22:45

1 stop13h 05m

Miami

Tue 28/4

18:29-10:20

1 stop10h 51m

£461

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sat 31/1

12:15-20:55

1 stop13h 40m

Miami

Sun 1/2

17:15-10:50

1 stop12h 35m

£463

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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 14 hours 44 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 most popular airlines that fly to Florida Keys?

The most popular airlines flying from London to Florida Keys are Virgin Atlantic, British Airways and Finnair.

British Airways
British Airways
From £346
Virgin Atlantic
Virgin Atlantic
From £377
Finnair
Finnair
From £363
TAP AIR PORTUGAL
TAP AIR PORTUGAL
From £331

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 28 November 2025.
Get a feel of what it's like to fly with Finnair, Virgin Atlantic, andNorse Atlantic UK 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.
Finnair
7.6
Good
1,334 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Virgin Atlantic
7.5
Good
675 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Norse Atlantic UK
7.2
Good
Finnair
7.6
Good
1,334 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
TAP AIR PORTUGAL
7.1
Good
2,075 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,541 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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. 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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