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$151+ Cheap flights from Key West to Louisville (EYW - SDF)

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SDF
oct. 29 — nov. 51
mié. 10/29
mié. 11/5
1 adult, Economy
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Cheap flight deals from Key West to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Louisville (SDF). 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 septiembre 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Delta)

One-way from

$151
(Kiwi.com)
Provider with most accurate pricing for Key West-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Key West-Louisville Intl flights.
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From Key West to Louisville Intl
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One-way flight from Key West to Louisville Intl
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Find flight deals from Key West to Louisville

Cheapest flights from Key West to Louisville
Explore the most affordable flight options available from Key West to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 29, 2025.

This Delta deal was found by Cheapflights users on 9/29. 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.
mar. 11/47:40 amEYW - SDF
1 stop4h 09mDelta
mié. 11/123:09 pmSDF - EYW
1 stop4h 44mDelta
Deal found 9/29$283
This American Airlines deal was found by Cheapflights users on 9/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:33 pmEYW - SDF
1 stop5h 26mAmerican Airlines
mié. 11/1211:19 amSDF - EYW
2 stops8h 04mAmerican Airlines
Deal found 9/27$288
This Kiwi.com deal was found by Cheapflights users on 9/26. 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.
dom. 10/128:55 amEYW - SDF
2 stops25h 57mMultiple Airlines
jue. 10/162:55 pmSDF - EYW
1 stop19h 36mMultiple Airlines
Deal found 9/26$487
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/121:25 pmEYW - SDF
2 stops8h 31mAmerican Airlines
jue. 10/169:44 amSDF - EYW
2 stops9h 38mAmerican Airlines
Deal found 9/26$1,137

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to Louisville 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 septiembre 29, 2025.
Use the filters below to find and compare flights from Key West to Louisville that are best for you.

Fly from

Key West

Fly to

Louisville

Route

Depart

Return

Price

Key WestLouisville

EYW - SDF

EYWSDF

Key West

mar. 11/4

6:17 pm-10:34 pm

1 stop4h 17m

Louisville Intl

mié. 11/12

3:09 pm-7:53 pm

1 stop4h 44m

$283

Key WestLouisville

EYW - SDF

EYWSDF

Key West

mar. 11/4

6:33 pm-11:59 pm

1 stop5h 26m

Louisville Intl

mié. 11/12

11:19 am-7:23 pm

2 stops8h 04m

$288

Key WestLouisville

EYW - SDF

EYWSDF

Key West

vie. 3/6

1:30 pm-9:03 pm

1 stop7h 33m

Louisville Intl

mar. 3/10

2:59 pm-7:44 pm

1 stop4h 45m

$311

Key WestLouisville

EYW - SDF

EYWSDF

Key West

dom. 11/9

8:36 pm-8:43 pm

1 stop24h 07m

$151

Key WestLouisville

EYW - SDF

EYWSDF

Key West

mar. 10/14

11:45 am-4:36 pm

2 stops28h 51m

$172

Key WestLouisville

EYW - SDF

EYWSDF

Key West

mié. 10/15

10:47 am-6:03 pm

2 stops31h 16m

$175

Key WestLouisville

EYW - SDF

EYWSDF

Key West

vie. 12/19

11:11 am-7:54 pm

2 stops32h 43m

$220

Key WestLouisville

EYW - SDF

EYWSDF

Key West

dom. 11/9

8:55 am-5:08 pm

3 stops56h 13m

$262

Key WestLouisville

EYW - SDF

EYWSDF

Key West

vie. 12/19

7:03 pm-3:23 pm

3 stops44h 20m

$271

Key WestLouisville

EYW - SDF

EYWSDF

Key West

mié. 10/15

12:22 pm-5:13 pm

1 stop4h 51m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/26

Showing 1-10 of 11 results
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Compare providers for flights from Key West to Louisville

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 Key West to Louisville in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Key West-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Key West-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub 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 Key West-Louisville 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 Key West to Louisville

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

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

Find hourly flight availability from Key West to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Key West to Louisville at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Key West to Louisville. 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 Key West to Louisville?

    There are many flights that can get you from Key West to Louisville in 4h 17m. Fly via Delta or American Airlines to get the fastest option. The distance from Key West to Louisville is about 969 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Key West to Louisville (average of $299). Flying from Key West to Louisville in April is currently the most expensive (average of $369). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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