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Florida Keys

$81+ Cheap flights from Louisville (SDF) to Florida Keys

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — EYW
Jan 31 — Feb 71
Sat 1/31
Sat 2/7
1 adult, Economy
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Cheap flight deals from Louisville to Florida Keys

Cheapest flights from Louisville to Florida Keys
Explore the most affordable flight options available from Louisville to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2026.

This American Airlines deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amSDF - MIA
Nonstop2h 39mAmerican Airlines
Thu 1/110:09 amMIA - SDF
1 stop5h 03mAmerican Airlines
Deal found 12/30$251
This United Airlines deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:22 pmSDF - MIA
1 stop5h 49mUnited Airlines
Thu 1/111:56 amMIA - SDF
2 stops10h 34mUnited Airlines
Deal found 12/30$266
This American Airlines deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amSDF - MIA
Nonstop2h 39mAmerican Airlines
Mon 1/59:20 pmMIA - SDF
Nonstop2h 39mAmerican Airlines
Deal found 12/30$302
This American Airlines deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:00 pmSDF - MIA
1 stop7h 00mAmerican Airlines
Fri 1/29:20 pmMIA - SDF
Nonstop2h 39mAmerican Airlines
Deal found 12/30$312
This Delta deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:14 amSDF - MIA
1 stop7h 04mDelta
Wed 1/78:15 amMIA - SDF
1 stop6h 27mDelta
Deal found 12/29$313
This American Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:24 pmSDF - MIA
1 stop5h 23mAmerican Airlines
Tue 1/69:12 pmMIA - SDF
Nonstop2h 47mAmerican Airlines
Deal found 12/29$330
This Delta deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:14 amSDF - MIA
1 stop7h 04mDelta
Thu 1/84:32 pmMIA - SDF
1 stop4h 24mDelta
Deal found 12/29$342
This American Airlines deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amSDF - EYW
1 stop6h 50mAmerican Airlines
Sat 1/34:03 pmEYW - SDF
2 stops8h 18mAmerican Airlines
Deal found 12/30$1,119

Find flight deals from Louisville to Florida Keys

Keep the following information in mind while searching for Louisville to Florida Keys flight deals. Data was last updated January 1, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$161
(Southwest)

One-way from

$81
(Southwest)

Popular in

December

Cheapest in

August

Average price

$337
Provider with most accurate pricing for Louisville Intl-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Miami flights.
Search Deals
From Louisville Intl to Florida Keys
Search Deals
One-way flight from Louisville Intl to Florida Keys
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 1, 2026.
Use the filters below to find and compare flights from Louisville to Florida Keys that are best for you.

Fly from

Louisville

Fly to

Florida Keys

Route

Depart

Return

Price

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 2/9

4:15 pm-10:25 pm

1 stop6h 10m

Miami

Sat 2/14

6:35 am-11:00 am

1 stop4h 25m

$185

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 2/21

5:49 pm-10:47 pm

1 stop4h 58m

Miami

Sat 2/28

6:00 am-11:27 am

1 stop5h 27m

$199

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 2/8

2:30 pm-9:00 pm

1 stop6h 30m

Miami

Wed 2/11

6:55 am-11:10 am

1 stop4h 15m

$199

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 2/7

5:47 pm-12:51 am

1 stop7h 04m

Miami

Sat 2/14

7:20 pm-11:58 pm

1 stop4h 38m

$199

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 2/24

6:45 am-4:10 pm

2 stops9h 25m

Miami

Tue 3/3

6:55 am-11:10 am

1 stop4h 15m

$235

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 2/14

6:03 pm-12:53 am

1 stop6h 50m

Miami

Thu 2/19

6:01 pm-10:47 pm

1 stop4h 46m

$239

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Thu 1/29

6:00 am-8:55 am

Nonstop2h 55m

Miami

Thu 2/5

9:12 pm-11:59 pm

Nonstop2h 47m

$251

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 2/7

1:20 pm-9:35 pm

2 stops8h 15m

Miami

Thu 2/12

7:05 am-1:25 pm

1 stop6h 20m

$254

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sat 2/7

6:30 am-3:20 pm

2 stops8h 50m

Miami

Fri 2/13

6:30 pm-10:45 pm

1 stop4h 15m

$254

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 2/9

11:40 am-10:25 pm

2 stops10h 45m

Miami

Fri 2/13

6:50 am-11:20 am

1 stop4h 30m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 37 results
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Best time to book a flight from Louisville to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Florida Keys

What is the cheapest month to book a flight from Louisville to Florida Keys?

Currently, August is the cheapest month in which you can book a flight from Louisville to Florida Keys (average of $96). Flying from Louisville to Florida Keys in February is currently the most expensive (average of $187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated January 1, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Louisville to Florida Keys to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,013 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,128 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,070 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Louisville to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Florida Keys?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Florida Keys from Louisville.

  • How long is the flight from Louisville to Florida Keys?

    There are many flights that can get you from Louisville to Florida Keys in 4h 58m. Fly via Southwest, Delta, or American Airlines to get the fastest option. Louisville and Florida Keys are separated by a distance of 912 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Louisville to Florida Keys one-way?

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $42. Spirit Airlines flights start at $49 while deals on American Airlines start at $88 one-way.

  • Can I find deals for flights from Louisville to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Louisville to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Florida Keys.

  • Can I find deals for business class flights from Louisville to Florida Keys?

    Yes. Cheapflights offers flight deals from Louisville to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Florida Keys?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Florida Keys (average of $96). Flying from Louisville to Florida Keys in February is currently the most expensive (average of $187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Louisville to Florida Keys

Discover the top 3 airlines that operate flights from Louisville to Florida Keys. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$432FlexibilityNo cancel feeOn-time71%

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