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

Allegiant Air, United Airlines, and Southwest 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 7 per week as of March 2026. The most frequent departure day is Mon, with 29% of weekly flights leaving on this day.

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.

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 March 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.

$106 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.

8:06 pm - 10:27 am

SDF

MIA

14h 21m

1 stop

5:05 am - 8:36 am

MIA

SDF

27h 31m

1 stop

$257Multiple Airlines

qua, mai 27 - sex, jun 5

9:43 am - 3:11 pm

SDF

MIA

5h 28m

1 stop

12:00 pm - 6:31 pm

MIA

SDF

6h 31m

1 stop

$263American Airlines

qua, mai 13 - ter, mai 19

8:06 pm - 10:27 am

SDF

MIA

14h 21m

1 stop

5:22 pm - 11:34 am

MIA

SDF

18h 12m

2 stops

$266Multiple Airlines

qua, mai 13 - ter, mai 19

9:14 pm - 2:43 pm

SDF

EYW

17h 29m

1 stop

9:58 am - 5:04 pm

EYW

SDF

31h 06m

2 stops

$266Multiple Airlines

dom, abr 12 - qui, abr 16

8:49 pm - 12:31 pm

SDF

EYW

15h 42m

1 stop

11:07 am - 8:36 am

EYW

SDF

21h 29m

1 stop

$267Breeze Airways

dom, jun 28 - sex, jul 3

6:55 pm - 10:27 am

SDF

MIA

15h 32m

2 stops

5:05 am - 8:36 am

MIA

SDF

27h 31m

1 stop

$267Multiple Airlines

qui, mai 28 - sex, jun 5

6:06 am - 8:43 am

SDF

MIA

2h 37mnonstop

9:14 pm - 11:59 pm

MIA

SDF

2h 45mnonstop

$272American Airlines

sáb, mai 9 - ter, mai 19

8:06 pm - 10:27 am

SDF

MIA

14h 21m

1 stop

5:05 am - 8:36 am

MIA

SDF

27h 31m

1 stop

$273Multiple Airlines

sáb, mai 30 - sex, jun 5

6:55 pm - 6:27 pm

SDF

EYW

23h 32m

1 stop

1:14 pm - 8:36 am

EYW

SDF

19h 22m

2 stops

$273Multiple Airlines

qui, jun 4 - ter, jun 9

9:09 pm - 1:16 pm

SDF

EYW

16h 07m

1 stop

4:17 pm - 2:07 pm

EYW

SDF

21h 50m

1 stop

$318Allegiant Air

sáb, jun 27 - qui, jul 2

United Airlines flights from Louisville to Florida Keys

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

United Airlines

Aug 29

SDF9:00 amLouisville Intl

6h 06m

1 stop

EYW3:06 pmKey West

Sep 5

EYW4:05 pmKey West

8h 00m

1 stop

SDF12:05 amLouisville Intl

$323

United Airlines

Mar 25

SDF9:00 amLouisville Intl

6h 03m

1 stop

MIA3:03 pmMiami

Apr 1

MIA2:20 pmMiami

8h 52m

1 stop

SDF11:12 pmLouisville Intl

$365

United Airlines

Apr 7

SDF7:20 amLouisville Intl

9h 44m

2 stops

MIA5:04 pmMiami

Apr 14

MIA4:18 pmMiami

6h 12m

1 stop

SDF10:30 pmLouisville Intl

$370

Southwest flights from Louisville to Florida Keys

Our best Southwest deals on Louisville to Florida Keys flight tickets

Southwest

Apr 24

SDF4:45 pmLouisville Intl

6h 15m

1 stop

MIA11:00 pmMiami

May 2

MIA6:35 amMiami

6h 20m

1 stop

SDF12:55 pmLouisville Intl

$298

Southwest

Apr 24

SDF5:55 pmLouisville Intl

4h 05m

1 stop

MIA10:00 pmMiami

May 2

MIA6:35 amMiami

9h 40m

2 stops

SDF4:15 pmLouisville Intl

$303

Southwest

Jun 6

SDF11:50 amLouisville Intl

11h 10m

2 stops

MIA11:00 pmMiami

Jun 10

MIA1:45 pmMiami

8h 45m

2 stops

SDF10:30 pmLouisville Intl

$310

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

qua 5/27

8:06 pm-10:27 am

1 stop14h 21m

Miami

sex 6/5

5:05 am-8:36 am

1 stop27h 31m

$257

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

qua 5/13

9:43 am-3:11 pm

1 stop5h 28m

Miami

ter 5/19

12:00 pm-6:31 pm

1 stop6h 31m

$263

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

qua 5/13

8:06 pm-10:27 am

1 stop14h 21m

Miami

ter 5/19

5:22 pm-11:34 am

2 stops18h 12m

$266

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

dom 4/12

9:14 pm-2:43 pm

1 stop17h 29m

Key West

qui 4/16

9:58 am-5:04 pm

2 stops31h 06m

$266

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

dom 6/28

8:49 pm-12:31 pm

1 stop15h 42m

Key West

sex 7/3

11:07 am-8:36 am

1 stop21h 29m

$267

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

qui 5/28

6:55 pm-10:27 am

2 stops15h 32m

Miami

sex 6/5

5:05 am-8:36 am

1 stop27h 31m

$267

Quickest round-trip

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

sáb 5/9

6:06 am-8:43 am

Nonstop2h 37m

Miami

ter 5/19

9:14 pm-11:59 pm

Nonstop2h 45m

$272

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

sáb 5/30

8:06 pm-10:27 am

1 stop14h 21m

Miami

sex 6/5

5:05 am-8:36 am

1 stop27h 31m

$273

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

qui 6/4

6:55 pm-6:27 pm

1 stop23h 32m

Key West

ter 6/9

1:14 pm-8:36 am

2 stops19h 22m

$273

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

sáb 6/27

9:09 pm-1:16 pm

1 stop16h 07m

Key West

qui 7/2

4:17 pm-2:07 pm

1 stop21h 50m

$318

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 July 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 $416. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $548.

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 $372. 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 $470.

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 $346 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 $278 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

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 March 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 20.04% of all bookings. The subsequent popular models are Embraer 175 at 13.28%, Boeing 737-800 Passenger/BBJ2 (winglets) at 12.08%, and Airbus A320-100/200 at 9.48%.

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 $258	Free Cancellation	Rating 7.1 11,492 reviews		Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,320 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.