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

Southwest, Allegiant Air, and United Airlines are the most popular carriers operating from Louisville Intl to Florida Keys

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 42% 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.

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

The number of flights available between Louisville and Florida Keys is 9 per week as of May 2026. The most frequent departure day is Sat, with 33% 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 May 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.

$94 Cheap Flights from Louisville to Florida Keys in 2026

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Find the cheapest flights from Louisville to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 pm - 10:27 am

SDF

MIA

15h 32m

2 stops

5:05 am - 8:36 am

MIA

SDF

27h 31m

1 stop

$237Multiple Airlines

Sun, May 24 - Fri, May 29

6:55 pm - 10:27 am

SDF

MIA

15h 32m

2 stops

5:05 am - 1:27 pm

MIA

SDF

8h 22m

1 stop

$239Multiple Airlines

Sun, May 24 - Thu, May 28

8:49 pm - 12:31 pm

SDF

EYW

15h 42m

1 stop

11:07 am - 8:36 am

EYW

SDF

21h 29m

1 stop

$242Breeze Airways

Sun, Jun 28 - Fri, Jul 3

6:55 pm - 10:27 am

SDF

MIA

15h 32m

2 stops

5:05 am - 1:27 pm

MIA

SDF

8h 22m

1 stop

$243Multiple Airlines

Sun, May 24 - Thu, May 28

9:10 pm - 10:47 pm

SDF

MIA

49h 37m

2 stops

3:20 pm - 8:36 am

MIA

SDF

17h 16m

1 stop

$244Multiple Airlines

Mon, Jun 1 - Tue, Jun 23

9:10 pm - 12:48 pm

SDF

EYW

15h 38m

1 stop

11:07 am - 8:36 am

EYW

SDF

21h 29m

1 stop

$244Multiple Airlines

Sat, Jul 4 - Fri, Jul 10

8:06 pm - 8:38 pm

SDF

MIA

24h 32m

1 stop

3:20 pm - 8:36 am

MIA

SDF

17h 16m

1 stop

$248Multiple Airlines

Sat, Jun 20 - Tue, Jun 23

2:27 pm - 10:27 am

SDF

MIA

20h 00m

1 stop

5:05 am - 1:27 pm

MIA

SDF

8h 22m

1 stop

$252Multiple Airlines

Sun, May 24 - Thu, May 28

8:06 pm - 11:05 pm

SDF

MIA

26h 59m

2 stops

2:54 pm - 8:36 am

MIA

SDF

17h 42m

1 stop

$256Multiple Airlines

Sat, Jul 25 - Fri, Jul 31

11:12 am - 7:13 pm

SDF

EYW

8h 01m

1 stop

1:11 pm - 8:36 am

EYW

SDF

43h 25m

2 stops

$280Breeze Airways

Thu, Jul 30 - Mon, Aug 3

Southwest flights from Louisville to Florida Keys

Our best Southwest deals on Louisville to Florida Keys flight tickets

Southwest

Jul 3

SDF5:05 pmLouisville Intl

6h 10m

1 stop

MIA11:15 pmMiami

Jul 6

MIA5:25 amMiami

6h 35m

2 stops

SDF12:00 pmLouisville Intl

$328

Southwest

Jul 3

SDF3:35 pmLouisville Intl

7h 00m

2 stops

MIA10:35 pmMiami

Jul 6

MIA5:25 amMiami

6h 35m

2 stops

SDF12:00 pmLouisville Intl

$333

Southwest

Jun 27

SDF5:05 pmLouisville Intl

5h 20m

1 stop

MIA10:25 pmMiami

Jun 30

MIA7:40 amMiami

7h 55m

2 stops

SDF3:35 pmLouisville Intl

$336

American Airlines flights from Louisville to Florida Keys

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

American Airlines

Sep 26

SDF6:08 pmLouisville Intl

2h 32m

MIA8:40 pmMiami

Oct 3

MIA9:20 pmMiami

2h 38m

SDF11:58 pmLouisville Intl

$321

American Airlines

Jun 3

SDF6:01 amLouisville Intl

10h 06m

2 stops

EYW4:07 pmKey West

Jun 10

EYW7:29 pmKey West

4h 59m

1 stop

SDF12:28 amLouisville Intl

$328

American Airlines

Jun 20

SDF7:07 pmLouisville Intl

5h 42m

1 stop

MIA12:49 amMiami

Jun 24

MIA9:05 pmMiami

2h 41m

SDF11:46 pmLouisville Intl

$331

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 5/24

6:55 pm-10:27 am

2 stops15h 32m

Miami

Fri 5/29

5:05 am-8:36 am

1 stop27h 31m

$237

Quickest round-trip

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 5/24

6:55 pm-10:27 am

2 stops15h 32m

Miami

Thu 5/28

5:05 am-1:27 pm

1 stop8h 22m

$239

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 6/28

8:49 pm-12:31 pm

1 stop15h 42m

Key West

Fri 7/3

11:07 am-8:36 am

1 stop21h 29m

$242

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 5/24

6:55 pm-10:27 am

2 stops15h 32m

Miami

Thu 5/28

5:05 am-1:27 pm

1 stop8h 22m

$243

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 6/1

9:10 pm-10:47 pm

2 stops49h 37m

Miami

Tue 6/23

3:20 pm-8:36 am

1 stop17h 16m

$244

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 7/4

9:10 pm-12:48 pm

1 stop15h 38m

Key West

Fri 7/10

11:07 am-8:36 am

1 stop21h 29m

$244

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 6/20

8:06 pm-8:38 pm

1 stop24h 32m

Miami

Tue 6/23

3:20 pm-8:36 am

1 stop17h 16m

$248

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 5/24

2:27 pm-10:27 am

1 stop20h 00m

Miami

Thu 5/28

5:05 am-1:27 pm

1 stop8h 22m

$252

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 7/25

8:06 pm-11:05 pm

2 stops26h 59m

Miami

Fri 7/31

2:54 pm-8:36 am

1 stop17h 42m

$256

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 7/30

11:12 am-7:13 pm

1 stop8h 01m

Key West

Mon 8/3

1:11 pm-8:36 am

2 stops43h 25m

$280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $84.

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 $413. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $553.

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 evening. momondo users have found flights departing from Louisville to Florida Keys in the evening for as low as $292. 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 $481.

How far in advance should I book a flight from Louisville 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 $355 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 $285 on momondo.

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

No. A direct flight is the cheapest option for a flight between Louisville to Florida Keys.

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 33m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Louisville to Florida Keys takes 2h 33m

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

Frequently asked questions about flying from Louisville to Florida Keys

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 May 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 19.21% of all bookings. The subsequent popular models are Embraer 175 at 14.47%, Boeing 737-800 Passenger/BBJ2 (winglets) at 11.50%, and Airbus A320-100/200 at 10.02%.

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
American Airlines	PriceFrom $270	Free Cancellation	Rating 7.1 11,669 reviews		Search American Airlines flights
Delta	PriceFrom $278	Free Cancellation	Rating 7.9 8,457 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.