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 47% 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, Delta, 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 September 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 September 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.

$83 Cheap Flights from Louisville to Florida Keys in 2025/26

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Find the cheapest flights from Louisville to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 8:35 amSDF-MIA

2h 35mnonstop

9:58 pm - 12:36 amMIA-SDF

2h 38mnonstop

$159American Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

6:00 am - 8:35 amSDF-MIA

2h 35mnonstop

9:58 pm - 12:36 amMIA-SDF

2h 38mnonstop

$169American Airlines

Find Deal

Wed, Oct 29 - Sat, Nov 1

3:50 pm - 9:05 pmSDF-MIA

5h 15m1 stop

7:55 am - 1:00 pmMIA-SDF

5h 05m1 stop

$179Southwest

Find Deal

Tue, Oct 14 - Wed, Oct 15

1:00 pm - 9:55 pmSDF-MIA

8h 55m2 stops

7:55 am - 1:00 pmMIA-SDF

5h 05m1 stop

$184Southwest

Find Deal

Tue, Oct 14 - Wed, Oct 15

8:17 am - 3:30 pmSDF-MIA

7h 13m1 stop

6:23 pm - 12:06 amMIA-SDF

5h 43m1 stop

$197Delta

Find Deal

Tue, Nov 4 - Thu, Nov 13

10:30 am - 4:30 pmSDF-MIA

6h 00m1 stop

6:00 am - 9:56 amMIA-SDF

3h 56m1 stop

$198Delta

Find Deal

Wed, Oct 8 - Wed, Oct 15

5:20 pm - 10:23 amSDF-MIA

17h 03m2 stops

11:28 am - 9:59 amMIA-SDF

22h 31m2 stops

$272Spirit Airlines

Find Deal

Mon, Nov 10 - Thu, Nov 13

6:03 pm - 11:30 amSDF-MIA

17h 27m2 stops

5:56 pm - 5:08 pmMIA-SDF

23h 12m2 stops

$276Spirit Airlines

Find Deal

Sun, Nov 9 - Sat, Nov 15

7:30 am - 4:07 pmSDF-EYW

8h 37m2 stops

12:30 pm - 10:09 pmEYW-SDF

9h 39m2 stops

$646United Airlines

Find Deal

Tue, Mar 3 - Sat, Mar 7

6:15 am - 2:29 pmSDF-EYW

8h 14m1 stop

3:11 pm - 8:48 pmEYW-SDF

29h 37m2 stops

$659United Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 4

American Airlines flights from Louisville to Florida Keys

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

American Airlines

Oct 22

SDF6:00 amLouisville Intl

2h 35m

MIA8:35 amMiami

Oct 29

MIA9:58 pmMiami

2h 38m

SDF12:36 amLouisville Intl

$159

Find similar

American Airlines

Oct 29

SDF6:00 amLouisville Intl

2h 35m

MIA8:35 amMiami

Nov 1

MIA9:58 pmMiami

2h 38m

SDF12:36 amLouisville Intl

$169

Find similar

American Airlines

Dec 10

SDF6:00 amLouisville Intl

2h 37m

MIA8:37 amMiami

Dec 15

MIA5:33 pmMiami

4h 17m

1 stop

SDF9:50 pmLouisville Intl

$207

Find similar

Southwest flights from Louisville to Florida Keys

Our best Southwest deals on Louisville to Florida Keys flight tickets

Southwest

Oct 14

SDF3:50 pmLouisville Intl

5h 15m

1 stop

MIA9:05 pmMiami

Oct 15

MIA7:55 amMiami

5h 05m

1 stop

SDF1:00 pmLouisville Intl

$179

Find similar

Southwest

Oct 14

SDF1:00 pmLouisville Intl

8h 55m

2 stops

MIA9:55 pmMiami

Oct 15

MIA7:55 amMiami

5h 05m

1 stop

SDF1:00 pmLouisville Intl

$184

Find similar

Southwest

Nov 18

SDF3:20 pmLouisville Intl

5h 25m

1 stop

MIA8:45 pmMiami

Nov 24

MIA6:20 amMiami

5h 25m

1 stop

SDF11:45 amLouisville Intl

$217

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 10/22

6:00 am-8:35 am

Nonstop2h 35m

Miami

Wed 10/29

9:58 pm-12:36 am

Nonstop2h 38m

$159

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 10/29

6:00 am-8:35 am

Nonstop2h 35m

Miami

Sat 11/1

9:58 pm-12:36 am

Nonstop2h 38m

$169

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 10/14

3:50 pm-9:05 pm

1 stop5h 15m

Miami

Wed 10/15

7:55 am-1:00 pm

1 stop5h 05m

$179

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 10/14

1:00 pm-9:55 pm

2 stops8h 55m

Miami

Wed 10/15

7:55 am-1:00 pm

1 stop5h 05m

$184

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 11/4

8:17 am-3:30 pm

1 stop7h 13m

Miami

Thu 11/13

6:23 pm-12:06 am

1 stop5h 43m

$197

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Wed 10/8

10:30 am-4:30 pm

1 stop6h 00m

Miami

Wed 10/15

6:00 am-9:56 am

1 stop3h 56m

$198

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 11/10

5:20 pm-10:23 am

2 stops17h 03m

Miami

Thu 11/13

11:28 am-9:59 am

2 stops22h 31m

$272

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 11/9

6:03 pm-11:30 am

2 stops17h 27m

Miami

Sat 11/15

5:56 pm-5:08 pm

2 stops23h 12m

$276

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Tue 3/3

7:30 am-4:07 pm

2 stops8h 37m

Key West

Sat 3/7

12:30 pm-10:09 pm

2 stops9h 39m

$646

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Tue 9/30

6:15 am-2:29 pm

1 stop8h 14m

Key West

Sat 10/4

3:11 pm-8:48 pm

2 stops29h 37m

$659

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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 $406. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $506.

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 $483.

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 $333 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 $277 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 September 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 18.66% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 10.04%, Airbus A320-100/200 at 8.73%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 8.01%.

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 8,929 reviews	Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 10,000 reviews	Search American 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 $49

Flights to Orlandofrom $59

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $58

Flights to Washington, D.C.from $54

Flights to Bostonfrom $62

Flights to Atlantafrom $49

Flights to Dallasfrom $68

Flights to Seattlefrom $69

Cheap flights from Louisville to Florida Keys from $83

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 11/12. 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

Trusted and free

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Find the cheapest flights from Louisville to Florida Keys

Cheap round-trip flights

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American Airlines flights from Louisville to Florida Keys

Our best American Airlines 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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See travel insights to Florida Keys from

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 $406. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $506.

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, Delta, 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 September 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