$119+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SDF
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Key West to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Key West to Louisville
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Cheapest flights from Key West to LouisvilleExplore 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 August 14, 2026.
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 August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1012:01 pm -
1 stop8h 28m
Wed 9/1610:56 am -
2 stops23h 23m
Deal found 8/11![Breeze Airways logo]()
$277
This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 9/57:40 am -
1 stop6h 38m
Sat 9/126:00 am -
1 stop4h 46m
Deal found 8/13![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:00 pm -
1 stop5h 30m
Mon 9/147:05 am -
1 stop5h 48m
Deal found 8/13![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/510:15 am -
2 stops7h 40m
Sat 9/1212:38 pm -
1 stop5h 13m
Deal found 8/11![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:15 pm -
2 stops8h 40m
Mon 9/146:18 am -
1 stop6h 53m
Deal found 8/13![American Airlines logo]()
$590
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/1011:30 am -
2 stops7h 39m
Wed 9/1611:10 am -
2 stops8h 07m
Deal found 8/11![American Airlines logo]()
$667
Best flights from Key West to LouisvilleDiscover carefully curated flight deals from Key West to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Key West to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 9/57:10 pm -
1 stop4h 41m
Sat 9/1212:38 pm -
1 stop5h 13m
Deal found 8/9![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/57:40 am -
1 stop6h 38m
Sat 9/123:43 pm -
1 stop4h 17m
Deal found 8/10![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 1/74:05 pm -
1 stop7h 50m
Sun 1/105:30 am -
1 stop5h 41m
Deal found 8/13![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:00 pm -
1 stop5h 30m
Mon 9/147:05 am -
1 stop5h 48m
Deal found 8/13![Delta logo]()
$343
Last-minute flights from Key West to LouisvilleDiscover last-minute flight deals from Key West to Louisville. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to Louisville. Data last updated August 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 9/57:40 am -
1 stop6h 38m
Sat 9/126:00 am -
1 stop4h 46m
Deal found 8/13![Delta logo]()
$338
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 9/510:15 am -
2 stops7h 40m
Sat 9/1212:38 pm -
1 stop5h 13m
Deal found 8/11![American Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1012:01 pm -
1 stop8h 28m
Wed 9/1610:56 am -
2 stops23h 23m
Deal found 8/11![Breeze Airways logo]()
$277
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:00 pm -
1 stop5h 30m
Mon 9/147:05 am -
1 stop5h 48m
Deal found 8/13![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/102:15 pm -
2 stops8h 40m
Mon 9/146:18 am -
1 stop6h 53m
Deal found 8/13![American Airlines logo]()
$590
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/1011:30 am -
2 stops7h 39m
Wed 9/1611:10 am -
2 stops8h 07m
Deal found 8/11![American Airlines logo]()
$667
One-way flights from Key West to LouisvilleSearch for one-way flight options from Key West to Louisville. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Key West to Louisville. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1811:59 am -
1 stop22h 12m
Deal found 8/11![Breeze Airways logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/251:14 pm -
2 stops25h 02m
Deal found 8/10![Breeze Airways logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1812:59 pm -
3 stops21h 12m
Deal found 8/11![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/269:34 am -
2 stops48h 37m
Deal found 8/11![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/271:16 pm -
3 stops20h 55m
Deal found 8/11![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/251:14 pm -
3 stops25h 02m
Deal found 8/10![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 8/293:52 pm -
3 stops42h 37m
Deal found 8/12![Allegiant Air logo]()
$292
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 10/272:50 pm -
1 stop8h 40m
Deal found 8/11![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 8/11. 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.
Mon 10/267:40 am -
1 stop5h 14m
Deal found 8/11![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/2512:01 pm -
1 stop8h 28m
Deal found 8/11![Breeze Airways logo]()
$350
Find 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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Kiwi.com) |
One-way from | $119 (Kiwi.com) |
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 August 14, 2026.
Use the filters below to find and compare flights from Key West to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Sat 9/5
7:10 pm-11:51 pm
1 stop4h 41m
Louisville Intl
Sat 9/12
12:38 pm-5:51 pm
1 stop5h 13m
$338
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Sat 9/5
7:40 am-2:18 pm
1 stop6h 38m
Louisville Intl
Sat 9/12
3:43 pm-8:00 pm
1 stop4h 17m
$338
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Thu 9/10
2:00 pm-7:30 pm
1 stop5h 30m
Louisville Intl
Mon 9/14
7:05 am-12:53 pm
1 stop5h 48m
$343
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Thu 1/7
4:05 pm-11:55 pm
1 stop7h 50m
Louisville Intl
Sun 1/10
5:30 am-11:11 am
1 stop5h 41m
$409
Cheapest one-way
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Fri 9/18
11:59 am-10:11 am
1 stop22h 12m
$119
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Tue 8/25
1:14 pm-2:16 pm
2 stops25h 02m
$157
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Fri 9/18
12:59 pm-10:11 am
3 stops21h 12m
$170
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Mon 10/26
9:34 am-10:11 am
2 stops48h 37m
$173
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Tue 8/25
1:14 pm-2:16 pm
3 stops25h 02m
$218
Key WestLouisville
EYW Key West - SDF Louisville Intl
EYWSDF
Key West
Sat 8/29
3:52 pm-10:29 am
3 stops42h 37m
$292
Showing 1-10 of 14 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
EYW-SDF
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.
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
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