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Key West

$146+ Cheap flights from Louisville to Key West (SDF - EYW)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — EYW
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find cheap flights from Louisville to Key West with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Key West are usually found in August or October, booked 64 days in advance, depart on a Saturday or Wednesday and return on a Monday

Find flight deals from Louisville to Key West

Cheapest flights from Louisville to Key West
Explore the most affordable flight options available from Louisville to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:46 pmSDF - EYW
2 stops15h 19mMultiple Airlines
Fri 11/143:07 pmEYW - SDF
1 stop5h 15mMultiple Airlines
Deal found 10/26$266
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:33 amSDF - EYW
1 stop5h 01mAllegiant Air
Sun 12/2110:27 pmEYW - SDF
1 stop10h 37mAllegiant Air
Deal found 10/27$268
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:26 pmSDF - EYW
1 stop24h 30mMultiple Airlines
Fri 12/1911:11 amEYW - SDF
2 stops32h 43mMultiple Airlines
Deal found 10/27$319
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:55 pmSDF - EYW
1 stop19h 36mMultiple Airlines
Thu 11/138:36 pmEYW - SDF
1 stop23h 46mMultiple Airlines
Deal found 10/27$321
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:12 pmSDF - EYW
1 stop24h 33mMultiple Airlines
Mon 12/19:57 amEYW - SDF
2 stops31h 56mMultiple Airlines
Deal found 10/28$322
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:40 pmSDF - EYW
1 stop12h 27mMultiple Airlines
Sun 11/23:23 pmEYW - SDF
1 stop4h 27mMultiple Airlines
Deal found 10/27$324
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:55 pmSDF - EYW
2 stops18h 22mMultiple Airlines
Sun 12/2110:27 pmEYW - SDF
1 stop10h 37mMultiple Airlines
Deal found 10/27$337
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:12 pmSDF - EYW
1 stop11h 49mMultiple Airlines
Sun 11/912:15 pmEYW - SDF
1 stop6h 01mMultiple Airlines
Deal found 10/28$338
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/263:38 pmSDF - EYW
1 stop6h 09mAmerican Airlines
Mon 12/14:53 pmEYW - SDF
1 stop7h 29mAmerican Airlines
Deal found 10/28$339
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:20 pmSDF - EYW
1 stop25h 10mSpirit Airlines
Sun 12/2812:20 pmEYW - SDF
1 stop23h 05mSpirit Airlines
Deal found 10/26$364

Cheap flight deals from Louisville to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$246
(Kiwi.com)

One-way from

$146
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$388
Provider with most accurate pricing for Louisville Intl-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Key West flights.
Search Deals
From Louisville Intl to Key West
Search Deals
One-way flight from Louisville Intl to Key West
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Key West 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 October 28, 2025.
Use the filters below to find and compare flights from Louisville to Key West that are best for you.

Fly from

Louisville

Fly to

Key West

Route

Depart

Return

Price

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 12/18

9:33 am-2:34 pm

1 stop5h 01m

Key West

Sun 12/21

10:27 pm-9:04 am

1 stop10h 37m

$268

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Tue 1/6

12:20 pm-1:30 pm

1 stop25h 10m

Key West

Fri 1/9

1:06 pm-11:45 pm

1 stop10h 39m

$268

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Fri 1/23

10:55 am-10:09 am

2 stops23h 14m

Key West

Sat 1/31

2:25 pm-9:54 am

1 stop19h 29m

$289

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Wed 1/7

7:05 am-11:31 am

1 stop4h 26m

Key West

Sun 1/11

7:10 am-11:39 am

1 stop4h 29m

$311

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Wed 1/7

8:07 am-3:25 pm

1 stop7h 18m

Key West

Sun 1/11

6:06 am-11:15 am

1 stop5h 09m

$311

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Sun 11/9

2:55 pm-10:31 am

1 stop19h 36m

Key West

Thu 11/13

8:36 pm-8:22 pm

1 stop23h 46m

$321

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Fri 10/31

9:40 pm-10:07 am

1 stop12h 27m

Key West

Sun 11/2

3:23 pm-7:50 pm

1 stop4h 27m

$324

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Thu 12/18

2:55 pm-9:17 am

2 stops18h 22m

Key West

Sun 12/21

10:27 pm-9:04 am

1 stop10h 37m

$337

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Fri 12/12

3:18 pm-8:06 pm

1 stop4h 48m

Key West

Fri 12/19

7:40 am-12:13 pm

1 stop4h 33m

$339

LouisvilleKey West

SDF - EYW

SDFEYW

Louisville Intl

Mon 11/10

7:46 pm-10:07 am

2 stops38h 21m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 17 results
1
2

Compare providers for flights from Louisville to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Key West in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Key West flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West 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 Key West

How far ahead should I book a flight from Louisville to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Key West. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Louisville to Key West, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Louisville to Key West?

Currently, August is the cheapest month in which you can book a flight from Louisville to Key West (average of $96). Flying from Louisville to Key West in February is currently the most expensive (average of $181). 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.

What is the cheapest time of day to fly from SDF to EYW?

Find hourly flight availability from Louisville to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

One of the essential ways to save on airfare from Louisville to Key West is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 32% on airfare.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated October 28, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Louisville to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

  • How long is the flight from Louisville to Key West?

    Airlines like Allegiant Air and Delta fly from Louisville to Key West in about 4h 26m. The time it takes to get you to your destination can typically vary by up to 35m. The distance between Louisville and Key West is about 969 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Louisville to Key West round-trip?

    Cheapflights users have booked flights from Louisville to Key West round-trip from $258. Other airlines that can offer you cheap pricing are American Airlines, from $258, and United Airlines, from $328. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Louisville to Key West that include hotel bookings?

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

  • How can I find direct flights from Louisville to Key West?

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

  • Can I find deals for business class flights from Louisville to Key West?

    Yes. Cheapflights offers flight deals from Louisville to Key West 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 Key West?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Key West (average of $96). Flying from Louisville to Key West in February is currently the most expensive (average of $181). 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 Key West

Discover the top 3 airlines that operate flights from Louisville to Key West. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$397FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$436FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$448FlexibilityNo cancel feeOn-time69%

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