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

Allegiant Air, Delta, and Breeze Airways 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 12 per week as of June 2026. The most frequent departure day is Mon, with 17% 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 39% 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 June 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.

$96 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.

11:12 am - 7:13 pm

SDF

EYW

8h 01m

1 stop

11:46 am - 10:32 am

EYW

SDF

22h 46m

1 stop

$162Breeze Airways

Thu, Aug 20 - Wed, Aug 26

11:12 am - 7:13 pm

SDF

EYW

8h 01m

1 stop

11:46 am - 10:32 am

EYW

SDF

22h 46m

1 stop

$177Breeze Airways

Sun, Aug 30 - Wed, Sep 2

11:12 am - 7:13 pm

SDF

EYW

8h 01m

1 stop

11:46 am - 10:32 am

EYW

SDF

22h 46m

1 stop

$183Breeze Airways

Thu, Aug 20 - Wed, Aug 26

9:03 pm - 1:22 pm

SDF

EYW

16h 19m

1 stop

11:46 am - 10:32 am

EYW

SDF

22h 46m

1 stop

$198Multiple Airlines

Sat, Aug 1 - Wed, Aug 12

9:19 pm - 2:37 pm

SDF

EYW

17h 18m

1 stop

11:46 am - 10:32 am

EYW

SDF

22h 46m

1 stop

$199Multiple Airlines

Sun, Aug 2 - Wed, Aug 12

9:19 pm - 2:37 pm

SDF

EYW

17h 18m

1 stop

11:46 am - 10:32 am

EYW

SDF

22h 46m

1 stop

$210Multiple Airlines

Thu, Jul 30 - Wed, Aug 12

9:03 pm - 1:22 pm

SDF

EYW

16h 19m

1 stop

4:17 pm - 2:28 pm

EYW

SDF

22h 11m

1 stop

$222Allegiant Air

Sat, Aug 1 - Thu, Aug 13

9:19 pm - 2:37 pm

SDF

EYW

17h 18m

1 stop

4:17 pm - 2:28 pm

EYW

SDF

22h 11m

1 stop

$223Allegiant Air

Sun, Aug 2 - Thu, Aug 13

5:50 pm - 12:47 am

SDF

MIA

6h 57m

1 stop

6:00 am - 12:21 pm

MIA

SDF

6h 21m

1 stop

$233JetBlue

Sat, Aug 15 - Wed, Aug 19

5:50 pm - 12:47 am

SDF

MIA

6h 57m

1 stop

6:00 am - 10:19 am

MIA

SDF

4h 19m

1 stop

$237Delta

Sat, Sep 5 - Sat, Sep 12

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Delta flights from Louisville to Florida Keys

Our best Delta deals on Louisville to Florida Keys flight tickets

Delta

Sep 5

SDF5:50 pmLouisville Intl

6h 57m

1 stop

MIA12:47 amMiami

Sep 12

MIA6:00 amMiami

4h 19m

1 stop

SDF10:19 amLouisville Intl

$237

Delta

Nov 7

SDF5:45 pmLouisville Intl

7h 07m

1 stop

MIA12:52 amMiami

Nov 11

MIA4:40 pmMiami

4h 11m

1 stop

SDF8:51 pmLouisville Intl

$307

Delta

Oct 24

SDF5:45 pmLouisville Intl

7h 07m

1 stop

MIA12:52 amMiami

Nov 1

MIA6:00 amMiami

5h 36m

1 stop

SDF11:36 amLouisville Intl

$326

American Airlines flights from Louisville to Florida Keys

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

American Airlines

Aug 8

SDF7:16 pmLouisville Intl

2h 38m

MIA9:54 pmMiami

Aug 11

MIA8:00 pmMiami

2h 45m

SDF10:45 pmLouisville Intl

$287

American Airlines

Aug 8

SDF6:05 amLouisville Intl

5h 08m

1 stop

MIA11:13 amMiami

Aug 11

MIA8:00 pmMiami

2h 45m

SDF10:45 pmLouisville Intl

$297

American Airlines

Sep 9

SDF6:00 amLouisville Intl

2h 32m

MIA8:32 amMiami

Sep 19

MIA9:05 pmMiami

2h 44m

SDF11:49 pmLouisville Intl

$304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 8/20

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 8/26

11:46 am-10:32 am

1 stop22h 46m

$162

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 8/30

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 9/2

11:46 am-10:32 am

1 stop22h 46m

$177

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 8/20

11:12 am-7:13 pm

1 stop8h 01m

Key West

Wed 8/26

11:46 am-10:32 am

1 stop22h 46m

$183

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 8/1

9:03 pm-1:22 pm

1 stop16h 19m

Key West

Wed 8/12

11:46 am-10:32 am

1 stop22h 46m

$198

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 8/2

9:19 pm-2:37 pm

1 stop17h 18m

Key West

Wed 8/12

11:46 am-10:32 am

1 stop22h 46m

$199

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 7/30

9:19 pm-2:37 pm

1 stop17h 18m

Key West

Wed 8/12

11:46 am-10:32 am

1 stop22h 46m

$210

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 8/1

9:03 pm-1:22 pm

1 stop16h 19m

Key West

Thu 8/13

4:17 pm-2:28 pm

1 stop22h 11m

$222

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 8/2

9:19 pm-2:37 pm

1 stop17h 18m

Key West

Thu 8/13

4:17 pm-2:28 pm

1 stop22h 11m

$223

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 8/15

5:50 pm-12:47 am

1 stop6h 57m

Miami

Wed 8/19

6:00 am-12:21 pm

1 stop6h 21m

$233

Quickest round-trip

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 9/5

5:50 pm-12:47 am

1 stop6h 57m

Miami

Sat 9/12

6:00 am-10:19 am

1 stop4h 19m

$237

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 August is another great option to travel to Florida Keys, with average flight prices from Louisville averaging around $98.

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 $436. The most expensive day to fly to Florida Keys is Monday, with ticket prices averaging around $572.

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 $393. 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 $487.

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 $365 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 $274 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 30m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from Louisville to Florida Keys takes 2h 30m

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 June 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 16.08% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 16.02%, Airbus A319 at 10.73%, and Airbus A320-100/200 at 10.39%.

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 $278	Free Cancellation	Rating 7.1 11,768 reviews		Search American Airlines flights
Delta	PriceFrom $280	Free Cancellation	Rating 7.8 8,449 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.