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 45% 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?

Southwest, Spirit Airlines, and American 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 14 per week as of November 2025. The most frequent departure day is Mon, with 14% 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 November 2025, 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.

$90 Cheap Flights from Louisville to Florida Keys in 2025/26

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Find the cheapest flights from Louisville to Florida Keys

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:11 pm - 12:46 amSDF-MIA

6h 35m1 stop

6:00 am - 10:19 amMIA-SDF

4h 19m1 stop

$197Delta

Find Deal

Sat, Dec 6 - Sat, Dec 13

6:00 am - 1:06 pmSDF-MIA

7h 06m1 stop

10:32 am - 5:16 pmMIA-SDF

6h 44m1 stop

$198Delta

Find Deal

Tue, Dec 2 - Wed, Dec 10

6:00 am - 8:34 amSDF-MIA

2h 34mnonstop

9:16 pm - 11:54 pmMIA-SDF

2h 38mnonstop

$204American Airlines

Find Deal

Wed, Nov 19 - Wed, Dec 3

7:04 pm - 11:52 pmSDF-MIA

4h 48m1 stop

9:16 pm - 11:54 pmMIA-SDF

2h 38mnonstop

$207American Airlines

Find Deal

Fri, Dec 5 - Wed, Dec 10

1:10 pm - 7:50 pmSDF-MIA

6h 40m1 stop

7:10 am - 4:35 pmMIA-SDF

9h 25m2 stops

$222Southwest

Find Deal

Tue, Dec 9 - Tue, Dec 16

6:45 am - 1:05 pmSDF-MIA

6h 20m1 stop

5:15 pm - 10:10 pmMIA-SDF

4h 55m1 stop

$224Southwest

Find Deal

Wed, Nov 19 - Wed, Dec 3

10:55 am - 1:30 pmSDF-EYW

26h 35m1 stop

2:25 pm - 9:54 amEYW-SDF

19h 29m1 stop

$253Spirit Airlines

Find Deal

Sun, Feb 22 - Fri, Feb 27

5:40 am - 12:34 pmSDF-EYW

6h 54m1 stop

4:15 pm - 10:30 pmEYW-SDF

6h 15m1 stop

$259United Airlines

Find Deal

Sat, Jan 3 - Sat, Jan 24

10:55 am - 11:30 amSDF-MIA

24h 35m2 stops

9:00 am - 11:45 pmMIA-SDF

14h 45m2 stops

$262Spirit Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

5:40 am - 3:48 pmSDF-EYW

10h 08m2 stops

4:15 pm - 10:30 pmEYW-SDF

6h 15m1 stop

$264United Airlines

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Sat, Jan 3 - Sat, Jan 24

Delta flights from Louisville to Florida Keys

Our best Delta deals on Louisville to Florida Keys flight tickets

Delta

Dec 6

SDF6:11 pmLouisville Intl

6h 35m

1 stop

MIA12:46 amMiami

Dec 13

MIA6:00 amMiami

4h 19m

1 stop

SDF10:19 amLouisville Intl

$197

Find similar

Delta

Dec 2

SDF6:00 amLouisville Intl

7h 06m

1 stop

MIA1:06 pmMiami

Dec 10

MIA10:32 amMiami

6h 44m

1 stop

SDF5:16 pmLouisville Intl

$198

Find similar

Delta

Jan 24

SDF5:35 amLouisville Intl

5h 05m

1 stop

MIA10:40 amMiami

Feb 4

MIA12:02 pmMiami

6h 11m

1 stop

SDF6:13 pmLouisville Intl

$199

Find similar

Southwest flights from Louisville to Florida Keys

Our best Southwest deals on Louisville to Florida Keys flight tickets

Southwest

Dec 9

SDF1:10 pmLouisville Intl

6h 40m

1 stop

MIA7:50 pmMiami

Dec 16

MIA7:10 amMiami

9h 25m

2 stops

SDF4:35 pmLouisville Intl

$222

Find similar

Southwest

Nov 19

SDF6:45 amLouisville Intl

6h 20m

1 stop

MIA1:05 pmMiami

Dec 3

MIA5:15 pmMiami

4h 55m

1 stop

SDF10:10 pmLouisville Intl

$224

Find similar

Southwest

Dec 2

SDF5:10 pmLouisville Intl

4h 40m

1 stop

MIA9:50 pmMiami

Dec 9

MIA7:10 amMiami

9h 25m

2 stops

SDF4:35 pmLouisville Intl

$240

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 12/6

6:11 pm-12:46 am

1 stop6h 35m

Miami

Sat 12/13

6:00 am-10:19 am

1 stop4h 19m

$197

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 12/2

6:00 am-1:06 pm

1 stop7h 06m

Miami

Wed 12/10

10:32 am-5:16 pm

1 stop6h 44m

$198

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 11/19

6:00 am-8:34 am

Nonstop2h 34m

Miami

Wed 12/3

9:16 pm-11:54 pm

Nonstop2h 38m

$204

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Fri 12/5

7:04 pm-11:52 pm

1 stop4h 48m

Miami

Wed 12/10

9:16 pm-11:54 pm

Nonstop2h 38m

$207

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 12/9

1:10 pm-7:50 pm

1 stop6h 40m

Miami

Tue 12/16

7:10 am-4:35 pm

2 stops9h 25m

$222

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 11/19

6:45 am-1:05 pm

1 stop6h 20m

Miami

Wed 12/3

5:15 pm-10:10 pm

1 stop4h 55m

$224

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 2/22

10:55 am-1:30 pm

1 stop26h 35m

Key West

Fri 2/27

2:25 pm-9:54 am

1 stop19h 29m

$253

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 1/3

5:40 am-12:34 pm

1 stop6h 54m

Key West

Sat 1/24

4:15 pm-10:30 pm

1 stop6h 15m

$259

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 1/24

10:55 am-11:30 am

2 stops24h 35m

Miami

Sat 1/31

9:00 am-11:45 pm

2 stops14h 45m

$262

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sat 1/3

5:40 am-3:48 pm

2 stops10h 08m

Key West

Sat 1/24

4:15 pm-10:30 pm

1 stop6h 15m

$264

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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 February 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 $397. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $503.

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 at noon. momondo users have found flights departing from Louisville to Florida Keys at noon for as low as $290. 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 $485.

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 $335 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 $286 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 34m
Direct flights	Every day
Airports in Florida Keys	1 airport

The fastest flight from Louisville to Florida Keys takes 2h 34m

Direct flights go from Louisville to Florida Keys every day.

There is 1 airport near Florida Keys: 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 November 2025, 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 15.98% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 10.49%, Boeing 737 MAX 8 at 9.36%, and Airbus A318/A319/A320/A321 at 8.69%.

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
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines 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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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $54

Flights to Orlandofrom $47

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $54

Flights to Washington, D.C.from $54

Flights to Bostonfrom $40

Flights to Atlantafrom $40

Flights to Dallasfrom $49

Flights to Seattlefrom $68

Louisville flight routes

Flights from Louisville Intl to Tampa St. Petersburg

Flights from Louisville Intl to Valparaiso Destin-Ft Walton Beach

Flights from Louisville Intl to Sarasota Bradenton Intl

Flights from Louisville Intl to Fort Lauderdale

Flights from Louisville Intl to Fort Myers SW Florida Intl

Flights from Louisville Intl to Charleston

Cheap flights from Louisville to Florida Keys from $90

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Delta flights from Louisville to Florida Keys

Our best Delta deals on Louisville to Florida Keys flight tickets

Southwest flights from Louisville to Florida Keys

Our best Southwest deals on Louisville to Florida Keys flight tickets

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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

What is the cheapest month to fly to Florida Keys?

The month of February 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 $397. The most expensive day to fly to Florida Keys is Thursday, with ticket prices averaging around $503.

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?

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

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

Southwest, Spirit Airlines, and American 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 14 per week as of November 2025. The most frequent departure day is Mon, with 14% 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