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

Southwest, Breeze Airways, and United 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 2 per week as of August 2026. The most frequent departure day is Wed, with 100% of weekly flights leaving on this day.

What airlines fly to Florida Keys?

Allegiant Air, American Airlines and Delta are the top three most popular airlines that fly to Florida Keys from Louisville according to our data. Allegiant Air is the first choice among our users, with 40% 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 August 2026, there are 6 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.

$98 Cheap Flights from Louisville to Florida Keys in 2026

Discover deals from 900+ travel sites with momondo.

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.

10:25 am - 5:47 pmSDF Louisville Intl-EYW Key West

7h 22m1 stop Pittsburgh

12:01 pm - 8:29 pmEYW Key West-SDF Louisville Intl

8h 28m1 stop Tampa

$214Multiple Airlines

Mon, Oct 12 - Thu, Oct 15

2:56 pm - 7:13 pmSDF Louisville Intl-EYW Key West

28h 17m2 stops Raleigh-Durham Tampa

11:46 am - 10:32 amEYW Key West-SDF Louisville Intl

22h 46m1 stop Tampa

$215Breeze Airways

Wed, Aug 26 - Wed, Sep 2

3:24 pm - 10:45 pmSDF Louisville Intl-MIA Miami

7h 21m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:36 amMIA Miami-SDF Louisville Intl

5h 36m1 stop Atlanta Hartsfield-Jackson

$267Delta

Tue, Jan 12 - Sat, Jan 16

5:45 pm - 10:45 pmSDF Louisville Intl-MIA Miami

5h 00m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:36 amMIA Miami-SDF Louisville Intl

5h 36m1 stop Atlanta Hartsfield-Jackson

$267Delta

Wed, Jan 13 - Sat, Jan 16

12:05 pm - 6:50 pmSDF Louisville Intl-MIA Miami

6h 45m1 stop Nashville Intl

6:30 am - 12:40 pmMIA Miami-SDF Louisville Intl

6h 10m1 stop Baltimore/Washington

$267Southwest

Sat, Sep 5 - Sat, Sep 12

6:55 pm - 11:05 pmSDF Louisville Intl-MIA Miami

4h 10m1 stop Orlando

7:00 am - 11:30 amMIA Miami-SDF Louisville Intl

4h 30m1 stop Orlando

$267Southwest

Thu, Oct 22 - Tue, Oct 27

6:00 am - 8:55 amSDF Louisville Intl-MIA Miami

2h 55mnonstop

8:25 am - 11:15 amMIA Miami-SDF Louisville Intl

2h 50mnonstop

$273American Airlines

Wed, Jan 20 - Tue, Jan 26

6:15 am - 8:50 amSDF Louisville Intl-MIA Miami

2h 35mnonstop

8:00 pm - 10:45 pmMIA Miami-SDF Louisville Intl

2h 45mnonstop

$273American Airlines

Tue, Aug 25 - Tue, Sep 1

3:50 pm - 9:50 pmSDF Louisville Intl-MIA Miami

6h 00m1 stop Houston George Bush Intcntl

6:30 am - 1:02 pmMIA Miami-SDF Louisville Intl

6h 32m1 stop Newark

$293United Airlines

Sat, Jan 9 - Sat, Jan 16

3:35 pm - 10:34 pmSDF Louisville Intl-MIA Miami

6h 59m1 stop Houston George Bush Intcntl

8:25 am - 7:07 pmMIA Miami-SDF Louisville Intl

10h 42m2 stops Newark Chicago O'Hare Intl

$298United Airlines

Sat, Sep 5 - Sat, Sep 12

Cheap last minute flights

Enter your travel dates to find the best prices.

7:05 am - 1:02 pmSDF Louisville Intl-MIA Miami

5h 57m1 stop Atlanta Hartsfield-Jackson

7:00 am - 12:36 pmMIA Miami-SDF Louisville Intl

5h 36m1 stop Atlanta Hartsfield-Jackson

$293Delta

Sat, Aug 15 - Sat, Aug 22

1:21 pm - 6:42 pmSDF Louisville Intl-MIA Miami

5h 21m1 stop Atlanta Hartsfield-Jackson

2:08 pm - 7:31 pmMIA Miami-SDF Louisville Intl

5h 23m1 stop Atlanta Hartsfield-Jackson

$293Delta

Sat, Aug 15 - Wed, Aug 19

6:00 am - 8:35 amSDF Louisville Intl-MIA Miami

2h 35mnonstop

9:14 pm - 11:51 pmMIA Miami-SDF Louisville Intl

2h 37mnonstop

$296American Airlines

Sun, Aug 16 - Sat, Aug 22

5:00 am - 11:20 amSDF Louisville Intl-MIA Miami

6h 20m1 stop Charlotte Douglas

9:14 pm - 11:51 pmMIA Miami-SDF Louisville Intl

2h 37mnonstop

$306American Airlines

Sun, Aug 16 - Sat, Aug 22

4:00 pm - 8:10 pmSDF Louisville Intl-MIA Miami

4h 10m1 stop Nashville Intl

5:05 pm - 10:35 pmMIA Miami-SDF Louisville Intl

5h 30m1 stop Baltimore/Washington

$316Southwest

Tue, Aug 18 - Thu, Aug 20

4:00 pm - 8:10 pmSDF Louisville Intl-MIA Miami

4h 10m1 stop Nashville Intl

7:00 am - 3:30 pmMIA Miami-SDF Louisville Intl

8h 30m2 stops Orlando Baltimore/Washington

$321Southwest

Tue, Aug 18 - Thu, Aug 20

6:00 am - 11:11 amSDF Louisville Intl-MIA Miami

5h 11m1 stop Washington, D.C. Dulles Intl

11:30 am - 11:59 pmMIA Miami-SDF Louisville Intl

12h 29m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$321United Airlines

Sun, Aug 16 - Sat, Aug 22

5:15 am - 3:55 pmSDF Louisville Intl-MIA Miami

10h 40m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

12:17 pm - 7:07 pmMIA Miami-SDF Louisville Intl

6h 50m1 stop Chicago O'Hare Intl

$344United Airlines

Fri, Aug 14 - Fri, Aug 21

11:12 am - 7:13 pmSDF Louisville Intl-EYW Key West

8h 01m1 stop Tampa

1:14 pm - 2:16 pmEYW Key West-SDF Louisville Intl

25h 02m2 stops Tampa Raleigh-Durham

$360Breeze Airways

Sun, Aug 16 - Tue, Aug 18

9:10 pm - 1:32 pmSDF Louisville Intl-MIA Miami

16h 22m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

3:30 pm - 8:06 pmMIA Miami-SDF Louisville Intl

28h 36m1 stop Raleigh-Durham

$394Multiple Airlines

Mon, Aug 17 - Fri, Aug 21

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Southwest flights from Louisville to Florida Keys

Our best Southwest deals on Louisville to Florida Keys flight tickets

Southwest

Sep 25

SDF1:45 pmLouisville Intl

8h 15m

1 stop

MIA10:00 pmMiami

Oct 3

MIA6:10 amMiami

6h 10m

1 stop

SDF12:20 pmLouisville Intl

$271

Southwest

Jan 25

SDF7:05 amLouisville Intl

4h 30m

1 stop

MIA11:35 amMiami

Jan 29

MIA7:00 amMiami

5h 55m

1 stop

SDF12:55 pmLouisville Intl

$276

Southwest

Sep 6

SDF3:45 pmLouisville Intl

4h 20m

1 stop

MIA8:05 pmMiami

Sep 12

MIA6:30 amMiami

11h 00m

2 stops

SDF5:30 pmLouisville Intl

$278

American Airlines flights from Louisville to Florida Keys

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

American Airlines

Jan 20

SDF6:00 amLouisville Intl

2h 55m

MIA8:55 amMiami

Jan 26

MIA8:25 amMiami

2h 50m

SDF11:15 amLouisville Intl

$273

American Airlines

Sep 22

SDF6:00 amLouisville Intl

2h 32m

MIA8:32 amMiami

Sep 29

MIA8:00 pmMiami

2h 42m

SDF10:42 pmLouisville Intl

$274

American Airlines

Aug 22

SDF7:12 pmLouisville Intl

4h 24m

1 stop

MIA11:36 pmMiami

Aug 26

MIA8:00 pmMiami

2h 37m

SDF10:37 pmLouisville Intl

$283

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleKey West

SDF Louisville Intl - EYW Key West

SDFEYW

Louisville Intl

Mon 10/12

10:25 am-5:47 pm

1 stop7h 22m

Key West

Thu 10/15

12:01 pm-8:29 pm

1 stop8h 28m

$214

LouisvilleKey West

SDF Louisville Intl - EYW Key West

SDFEYW

Louisville Intl

Wed 8/26

2:56 pm-7:13 pm

2 stops28h 17m

Key West

Wed 9/2

11:46 am-10:32 am

1 stop22h 46m

$215

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Tue 1/12

3:24 pm-10:45 pm

1 stop7h 21m

Miami

Sat 1/16

6:00 am-11:36 am

1 stop5h 36m

$267

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Wed 1/13

5:45 pm-10:45 pm

1 stop5h 00m

Miami

Sat 1/16

6:00 am-11:36 am

1 stop5h 36m

$267

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Sat 9/5

12:05 pm-6:50 pm

1 stop6h 45m

Miami

Sat 9/12

6:30 am-12:40 pm

1 stop6h 10m

$267

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Thu 10/22

6:55 pm-11:05 pm

1 stop4h 10m

Miami

Tue 10/27

7:00 am-11:30 am

1 stop4h 30m

$267

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Wed 1/20

6:00 am-8:55 am

Nonstop2h 55m

Miami

Tue 1/26

8:25 am-11:15 am

Nonstop2h 50m

$273

Quickest round-trip

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Tue 8/25

6:15 am-8:50 am

Nonstop2h 35m

Miami

Tue 9/1

8:00 pm-10:45 pm

Nonstop2h 45m

$273

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Sat 1/9

3:50 pm-9:50 pm

1 stop6h 00m

Miami

Sat 1/16

6:30 am-1:02 pm

1 stop6h 32m

$293

LouisvilleMiami

SDF Louisville Intl - MIA Miami

SDFMIA

Louisville Intl

Sat 9/5

3:35 pm-10:34 pm

1 stop6h 59m

Miami

Sat 9/12

8:25 am-7:07 pm

2 stops10h 42m

$298

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 January is another great option to travel to Florida Keys, with average flight prices from Louisville averaging around $338.

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 $454. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $577.

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 $385. 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 $502.

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 $382 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 $300 on momondo.

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

You could potentially save up to 2% 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 32m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Louisville to Florida Keys takes 2h 32m

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 August 2026, there are 6 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 Embraer 175, representing 16.74% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 16.24%, Airbus A320-100/200 at 10.68%, and Airbus A319 at 10.66%.

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 10,111 reviews	Search United Airlines flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.1 11,911 reviews	Search American Airlines flights
Delta	PriceFrom $282	Free Cancellation	Rating 7.8 8,505 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.