What airlines fly to Florida Keys?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Florida Keys from Louisville according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 4 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Florida Keys?

Breeze Airways, Southwest, and Spirit Airlines are the most popular carriers operating from Louisville Intl to Florida Keys

How many flights depart from Louisville to Florida Keys on average per week?

The number of flights available between Louisville and Florida Keys is 17 per week as of February 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

When did momondo last update prices for flights from Louisville Intl Airport to Florida Keys?

Prices for flights from Louisville Intl Airport to Florida Keys were last updated today.

How many operators does momondo search for flights from Louisville Intl Airport to Florida Keys?

As of February 2026, there are 7 operators available to choose from for flights from Louisville Intl Airport to Florida Keys.

How old do you have to be to fly from Louisville Intl Airport to Florida Keys?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$100 Cheap Flights from Louisville to Florida Keys in 2026

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Find the cheapest flights from Louisville to Florida Keys

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:33 pm - 11:40 am

SDF

MIA

20h 07m

2 stops

1:38 pm - 12:21 pm

MIA

SDF

22h 43m

2 stops

$233Spirit Airlines

Tue, Mar 3 - Tue, Mar 10

3:33 pm - 11:40 am

SDF

MIA

20h 07m

2 stops

7:05 am - 12:21 pm

MIA

SDF

29h 16m

3 stops

$235Spirit Airlines

Tue, Mar 3 - Tue, Mar 10

8:10 am - 2:12 pm

SDF

MIA

6h 02m

1 stop

6:00 am - 11:58 am

MIA

SDF

5h 58m

1 stop

$239Delta

Tue, May 5 - Tue, May 19

6:07 am - 8:50 am

SDF

MIA

2h 43mnonstop

6:40 am - 3:03 pm

MIA

SDF

8h 23m

1 stop

$240American Airlines

Wed, Mar 11 - Sat, Mar 21

7:35 am - 1:05 pm

SDF

MIA

5h 30m

1 stop

9:07 pm - 11:59 pm

MIA

SDF

2h 52mnonstop

$245American Airlines

Wed, Mar 4 - Wed, Mar 11

12:00 pm - 10:40 am

SDF

MIA

22h 40m

2 stops

9:18 pm - 2:38 pm

MIA

SDF

17h 20m

2 stops

$246Spirit Airlines

Sat, Mar 7 - Mon, Mar 9

7:48 pm - 5:57 pm

SDF

MIA

22h 09m

2 stops

5:15 am - 1:27 pm

MIA

SDF

8h 12m

1 stop

$247Multiple Airlines

Mon, May 4 - Thu, May 14

2:26 pm - 12:42 am

SDF

MIA

10h 16m

2 stops

6:00 am - 1:26 pm

MIA

SDF

7h 26m

1 stop

$248Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

3:33 pm - 11:59 am

SDF

MIA

20h 26m

2 stops

5:15 am - 1:27 pm

MIA

SDF

8h 12m

1 stop

$249Multiple Airlines

Tue, May 5 - Thu, May 14

3:05 pm - 7:41 pm

SDF

EYW

4h 36m

1 stop

6:25 pm - 11:57 pm

EYW

SDF

5h 32m

1 stop

$279Delta

Mon, Mar 23 - Tue, Apr 7

American Airlines flights from Louisville to Florida Keys

Our best American Airlines deals on Louisville to Florida Keys flight tickets

American Airlines

Mar 4

SDF7:35 amLouisville Intl

5h 30m

1 stop

MIA1:05 pmMiami

Mar 11

MIA9:07 pmMiami

2h 52m

SDF11:59 pmLouisville Intl

$245

American Airlines

May 6

SDF6:01 amLouisville Intl

2h 37m

MIA8:38 amMiami

May 11

MIA9:14 pmMiami

2h 45m

SDF11:59 pmLouisville Intl

$247

American Airlines

Mar 25

SDF6:07 amLouisville Intl

2h 43m

MIA8:50 amMiami

Mar 30

MIA9:07 pmMiami

2h 52m

SDF11:59 pmLouisville Intl

$257

United Airlines flights from Louisville to Florida Keys

Our best United Airlines deals on Louisville to Florida Keys flight tickets

United Airlines

May 23

SDF7:32 pmLouisville Intl

16h 07m

1 stop

MIA11:39 amMiami

May 27

MIA7:07 amMiami

12h 27m

2 stops

SDF7:34 pmLouisville Intl

$279

United Airlines

Mar 7

SDF1:58 pmLouisville Intl

8h 26m

1 stop

MIA10:24 pmMiami

Mar 10

MIA6:00 amMiami

7h 06m

1 stop

SDF1:06 pmLouisville Intl

$281

United Airlines

May 5

SDF9:15 amLouisville Intl

9h 15m

1 stop

MIA6:30 pmMiami

May 9

MIA7:15 amMiami

12h 27m

2 stops

SDF7:42 pmLouisville Intl

$286

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 3/3

3:33 pm-11:40 am

2 stops20h 07m

Miami

Tue 3/10

1:38 pm-12:21 pm

2 stops22h 43m

$233

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 3/3

3:33 pm-11:40 am

2 stops20h 07m

Miami

Tue 3/10

7:05 am-12:21 pm

3 stops29h 16m

$235

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 5/5

8:10 am-2:12 pm

1 stop6h 02m

Miami

Tue 5/19

6:00 am-11:58 am

1 stop5h 58m

$239

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 3/11

6:07 am-8:50 am

Nonstop2h 43m

Miami

Sat 3/21

6:40 am-3:03 pm

1 stop8h 23m

$240

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 3/4

7:35 am-1:05 pm

1 stop5h 30m

Miami

Wed 3/11

9:07 pm-11:59 pm

Nonstop2h 52m

$245

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 3/7

12:00 pm-10:40 am

2 stops22h 40m

Miami

Mon 3/9

9:18 pm-2:38 pm

2 stops17h 20m

$246

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 5/4

7:48 pm-5:57 pm

2 stops22h 09m

Miami

Thu 5/14

5:15 am-1:27 pm

1 stop8h 12m

$247

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Thu 3/5

2:26 pm-12:42 am

2 stops10h 16m

Miami

Thu 3/12

6:00 am-1:26 pm

1 stop7h 26m

$248

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 5/5

3:33 pm-11:59 am

2 stops20h 26m

Miami

Thu 5/14

5:15 am-1:27 pm

1 stop8h 12m

$249

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Mon 3/23

3:05 pm-7:41 pm

1 stop4h 36m

Key West

Tue 4/7

6:25 pm-11:57 pm

1 stop5h 32m

$279

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Louisville to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Louisville averaging around $301.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Louisville to Florida Keys is on a Friday when prices can be found for as low as $402. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $525.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from Louisville to Florida Keys in the afternoon for as low as $369. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $483.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Louisville for as low as $283 on momondo.

Can stopping save me money on Louisville to Florida Keys flights?

You could potentially save up to 4% on your flight if you consider stops on a Louisville to Florida Keys flight.

Cheap Louisville to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Florida Keys

Fastest flight time	2h 36m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Louisville to Florida Keys takes 2h 36m

Direct flights go from Louisville to Florida Keys every day.

There are 3 airports in Florida Keys. From Louisville there are direct flights to Miami (MIA).

Search flight deals

When did momondo last update prices for flights from Louisville Intl Airport to Florida Keys?
Prices for flights from Louisville Intl Airport to Florida Keys were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Florida Keys?
As of February 2026, there are 7 operators available to choose from for flights from Louisville Intl Airport to Florida Keys.
How old do you have to be to fly from Louisville Intl Airport to Florida Keys?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The necessary travel and health documents for your Florida Keys trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from Louisville to Florida Keys is Boeing 737 MAX 8, representing 19.12% of all bookings. The subsequent popular models are Embraer 175 at 12.72%, Embraer 175 (Enhanced Winglets) at 10.36%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 9.91%.

Best airlines flying from Louisville to Florida Keys

Compare and see reviews for airlines that fly from Louisville to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,222 reviews	Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,144 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Florida Keys?

Finding the right flight to Florida Keys from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Florida Keys quick and easy, saving you time and money.

Can I find flights from Louisville to Florida Keys with flexible booking policies on momondo?

Yes. All flights to Florida Keys from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Louisville to Florida Keys?

momondo helps you find the best flight between Louisville and Florida Keys by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to Florida Keys right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Florida Keys from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Florida Keys

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $27

Flights to Chicagofrom $50

Flights to Orlandofrom $50

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $50

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from Louisville to Florida Keys from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Florida Keys departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Louisville to Florida Keys

Our best American Airlines deals on Louisville to Florida Keys flight tickets

United Airlines flights from Louisville to Florida Keys

Our best United Airlines deals on Louisville to Florida Keys flight tickets

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How to get the cheapest flight ticket from Louisville to Florida Keys

What is the cheapest month to fly to Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Louisville averaging around $301.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Louisville to Florida Keys is on a Friday when prices can be found for as low as $402. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $525.

What is the cheapest time of day to depart on your flight to Florida Keys?

How far in advance should I book a flight to Florida Keys?

Can stopping save me money on Louisville to Florida Keys flights?

You could potentially save up to 4% on your flight if you consider stops on a Louisville to Florida Keys flight.

What is the cheapest airline that flies from Louisville Intl to Florida Keys?

Breeze Airways, Southwest, and Spirit Airlines are the most popular carriers operating from Louisville Intl to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Louisville to Florida Keys on average per week?

The number of flights available between Louisville and Florida Keys is 17 per week as of February 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

Cheap Louisville to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Florida Keys

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Louisville Intl Airport to Florida Keys?

How many operators does momondo search for flights from Louisville Intl Airport to Florida Keys?

How old do you have to be to fly from Louisville Intl Airport to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Louisville to Florida Keys?

Best airlines flying from Louisville to Florida Keys

Compare and see reviews for airlines that fly from Louisville to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Florida Keys?

Can I find flights from Louisville to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Louisville to Florida Keys?

I’m not ready to book a flight from Louisville to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo

Louisville flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Florida Keys

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Florida Keys

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