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$394+ Cheap flights from Key West to Louisville (EYW - SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SDF
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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Cheap 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 April 2, 2026.

This Delta deal was found by Cheapflights users on 4/1. 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 6/136:24 pm
EYW
-
SDF
1 stop5h 52m
Delta
Fri 6/1910:02 am
SDF
-
EYW
1 stop7h 27m
Delta
Deal found 4/1$394
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/163:52 pm
EYW
-
SDF
1 stop8h 07m
United Airlines
Mon 4/209:15 am
SDF
-
EYW
1 stop6h 42m
United Airlines
Deal found 3/30$434
This American Airlines deal was found by Cheapflights users on 4/1. 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 6/137:29 pm
EYW
-
SDF
1 stop4h 59m
American Airlines
Fri 6/197:43 am
SDF
-
EYW
2 stops11h 06m
American Airlines
Deal found 4/1$605

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$394
(Delta)
Provider with most accurate pricing for Key West-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-Louisville Intl flights.
Search Deals
From Key West to Louisville Intl
Search Deals

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 April 2, 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

Price

Cheapest round-trip
Quickest round-trip

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Sat 6/13

6:24 pm-12:16 am

1 stop5h 52m

Louisville Intl

Fri 6/19

10:02 am-5:29 pm

1 stop7h 27m

$394

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

3:52 pm-11:59 pm

1 stop8h 07m

Louisville Intl

Mon 4/20

6:00 am-1:31 pm

1 stop7h 31m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Sorted by cheapest first
  • 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.

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 5h 52m. Fly via Delta or United 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.

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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