£361+ Cheap flights to Florida Keys

— EYW
30 Sep — 7 Oct1
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

Fri 9/1018:00 -
1 stop24h 29m
Sat 24/1016:00 -
1 stop16h 00m
Deal found 29/8£495
Mon 19/1012:05 -
2 stops17h 20m
Mon 26/1013:15 -
1 stop13h 55m
Deal found 26/8£510
Tue 27/1007:45 -
1 stop12h 10m
Thu 7/107:00 -
2 stops19h 15m
Deal found 27/8£512
Mon 7/910:00 -
1 stop34h 55m
Mon 14/913:44 -
2 stops37h 11m
Deal found 28/8£512
Sun 11/1010:25 -
2 stops28h 49m
Wed 18/1119:55 -
2 stops14h 50m
Deal found 29/8£512
Wed 23/909:15 -
1 stop13h 10m
Wed 14/1019:40 -
1 stop11h 55m
Deal found 27/8£513
Fri 23/1012:15 -
2 stops16h 24m
Sun 1/1120:47 -
1 stop18h 48m
Deal found 28/8£513
Thu 24/905:40 -
2 stops19h 45m
Tue 29/919:45 -
2 stops21h 00m
Deal found 27/8£513
Tue 3/1110:00 -
1 stop12h 40m
Thu 5/1111:47 -
2 stops22h 58m
Deal found 29/8£513
Wed 30/909:15 -
1 stop13h 10m
Mon 12/1019:40 -
1 stop16h 50m
Deal found 27/8£513
Fri 20/1107:45 -
1 stop14h 25m
Sun 29/1119:05 -
1 stop13h 35m
Deal found 29/8£513
Thu 15/1014:10 -
1 stop12h 50m
Thu 22/1014:28 -
1 stop11h 52m
Deal found 27/8£513

Find flights to Florida Keys

Explore Florida Keys

Find flight deals to Florida Keys

Return from

£512

One-way from

£361

Popular in

August

Cheapest in

January

Average price

£640
Delta
  • Delta
  • 27/10-7/1
  • 3 total stops
  • 31h 25m total
  • London to Miami
29/9
  • 29/9
  • 2 total stops
  • 34h 25m total
  • London to Florida Keys
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for return flights in August 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Florida Keys that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonKey West

LHR London Heathrow - EYW Key West

LHREYW

London Heathrow

Fri 9/10

18:00-13:29

1 stop24h 29m

Key West

Sat 24/10

16:00-13:00

1 stop16h 00m

£495

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Fri 11/9

08:55-17:50

1 stop13h 55m

Miami

Thu 17/9

08:25-06:20

2 stops16h 55m

£516

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Tue 12/1

09:00-17:30

1 stop13h 30m

Miami

Mon 18/1

16:40-16:20

1 stop18h 40m

£523

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Mon 30/11

09:00-17:30

1 stop13h 30m

Miami

Mon 21/12

19:50-16:50

2 stops16h 00m

£527

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Fri 2/10

10:00-18:45

1 stop13h 45m

Miami

Thu 27/5

21:30-16:30

1 stop14h 00m

£532

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Fri 15/1

21:35-14:50

2 stops46h 15m

Miami

Sun 24/1

23:50-09:50

1 stop29h 00m

£536

LondonMiami

LGW London Gatwick - MIA Miami

LGWMIA

London Gatwick

Sat 19/9

10:00-18:45

1 stop13h 45m

Miami

Sun 4/10

21:30-16:25

1 stop13h 55m

£537

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 29/11

09:00-17:30

1 stop13h 30m

Miami

Sun 20/12

06:00-10:05

2 stops23h 05m

£542
Fastest return journey

LondonMiami

LCY London City - MIA Miami

LCYMIA

London City

Fri 4/12

07:45-14:55

1 stop12h 10m

Miami

Thu 10/12

17:15-08:50

1 stop10h 35m

£543

LondonMiami

LHR London Heathrow - MIA Miami

LHRMIA

London Heathrow

Sun 25/10

06:10-21:50

1 stop19h 40m

Miami

Fri 11/12

12:20-06:25

1 stop13h 05m

£547

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 17 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 cheapest airlines that fly to Florida Keys?

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

Rainfall in Florida Keys 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

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).

When is the best time to book a flight to Florida Keys?

The price you pay for your flight to Florida Keys may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Florida Keys

Get a feel of what it's like to fly with Finnair,Virgin Atlantic, andAmerican Airlines 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.

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

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 40 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. The Saint Martin Suite - Sunrise Suites is the closest property to Key West (0.0 mi away from Key West).

See more FAQs

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