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£193+ 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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
— EYW
26 Mar — 2 Apr1
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 21 March 2025.

Return from

£358

One-way from

£193

Popular in

December

Cheapest in

September

Average price

£439
Norse Atlantic UK
  • Norse Atlantic UK
  • 11/5-17/5
  • Nonstop
  • 18h 00m total
  • London to Miami
Norse Atlantic UK
  • Norse Atlantic UK
  • 25/4
  • Nonstop
  • 9h 20m total
  • London to Florida Keys
Highest demand for flights based on searches. 0% potential increase in price (£4 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 March 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 21 March 2025
Explore Florida Keys

Find flight deals to Florida Keys

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 21 March 2025.

Sun 11/510:00LGW - MIA
Nonstop9h 20mNorse Atlantic UK
Sat 17/517:20MIA - LGW
Nonstop8h 40mNorse Atlantic UK
Deal found 20/3£358
Tue 28/1011:55LGW - MIA
1 stop14h 00mIcelandair
Wed 5/1117:15MIA - LGW
1 stop12h 40mIcelandair
Deal found 20/3£359
Fri 21/1120:40LHR - MIA
1 stop29h 15mIcelandair
Fri 28/1117:15MIA - LHR
1 stop21h 15mIcelandair
Deal found 20/3£365
Sat 3/510:00LGW - MIA
Nonstop9h 20mMultiple Airlines
Mon 19/517:15MIA - LGW
Nonstop8h 40mMultiple Airlines
Deal found 20/3£372
Sun 27/406:00LHR - MIA
1 stop16h 30mMultiple Airlines
Tue 6/512:27MIA - LHR
1 stop12h 28mMultiple Airlines
Deal found 20/3£380
Thu 17/412:20LGW - MIA
1 stop29h 19mBritish Airways
Tue 22/417:13MIA - LGW
1 stop32h 22mBritish Airways
Deal found 20/3£386
Tue 29/415:05LGW - MIA
1 stop12h 39mAmerican Airlines
Tue 6/513:50MIA - LGW
1 stop11h 45mAmerican Airlines
Deal found 20/3£392
Sun 20/409:30LHR - MIA
1 stop12h 43mAir Canada
Sun 27/407:45MIA - LHR
2 stops17h 45mAir Canada
Deal found 21/3£392
Fri 2/508:40LHR - MIA
1 stop13h 50mLufthansa
Sat 17/519:45MIA - LHR
2 stops29h 50mLufthansa
Deal found 20/3£395
Thu 17/413:40LHR - MIA
Nonstop9h 40mBritish Airways
Sun 20/416:54MIA - LHR
1 stop12h 26mBritish Airways
Deal found 20/3£397
Thu 24/408:40LHR - MIA
1 stop13h 50mUnited Airlines
Mon 28/416:07MIA - LHR
1 stop14h 38mUnited Airlines
Deal found 21/3£398
Fri 25/415:55LHR - MIA
Nonstop9h 40mVirgin Atlantic
Tue 29/415:31MIA - LHR
1 stop12h 19mVirgin Atlantic
Deal found 20/3£399

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 21 March 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

LGW - MIA

LGWMIA

London Gatwick

Sun 11/5

10:00-14:20

Nonstop9h 20m

Miami

Sat 17/5

17:20-07:00

Nonstop8h 40m

£358

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Sat 3/5

10:00-14:20

Nonstop9h 20m

Miami

Mon 19/5

17:15-06:55

Nonstop8h 40m

£372

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 27/4

06:00-17:30

1 stop16h 30m

Miami

Tue 6/5

12:27-05:55

1 stop12h 28m

£380

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Thu 17/4

12:20-12:39

1 stop29h 19m

Miami

Tue 22/4

17:13-06:35

1 stop32h 22m

£386

LondonMiami

LGW - MIA

LGWMIA

London Gatwick

Tue 29/4

15:05-22:44

1 stop12h 39m

Miami

Tue 6/5

13:50-06:35

1 stop11h 45m

£392

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Sun 20/4

09:30-17:13

1 stop12h 43m

Miami

Sun 27/4

07:45-06:30

2 stops17h 45m

£392

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 2/5

08:40-17:30

1 stop13h 50m

Miami

Sat 17/5

19:45-06:35

2 stops29h 50m

£395

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 17/4

13:40-18:20

Nonstop9h 40m

Miami

Sun 20/4

16:54-10:20

1 stop12h 26m

£397

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Thu 24/4

08:40-17:30

1 stop13h 50m

Miami

Mon 28/4

16:07-11:45

1 stop14h 38m

£398

LondonMiami

LHR - MIA

LHRMIA

London Heathrow

Fri 25/4

15:55-20:35

Nonstop9h 40m

Miami

Tue 29/4

15:31-08:50

1 stop12h 19m

£399

Flights are sorted by cheapest return flights first.

Deals found on 20/3

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 16 hours 25 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 TAP AIR PORTUGAL.

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 21 March 2025.
To help decide which airline to fly to Florida Keys, see what other customers have to say about Delta, KLM and LOT. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

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

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

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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