$109 Cheap Delta flights Houston (HOU) to Louisville (SDF)

View $109 flight on Tue, Oct 21, 2025Opens in a new window

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$109 Cheap Delta flights Houston (HOU) to Louisville (SDF)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Aug 4 - Wed, Aug 6
HOU
Houston
SDF
Louisville
$217 Roundtrip, found 19 hours ago
$217
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, Aug 4 from Houston to Louisville, returning Wed, Aug 6, priced at $217 found 19 hours ago
Delta
Mon, Aug 4 - Wed, Aug 6
IAH
Houston
SDF
Louisville
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Mon, Aug 4 from Houston to Louisville, returning Wed, Aug 6, priced at $217 just found
Delta
Wed, Nov 5 - Sat, Nov 8
IAH
Houston
SDF
Louisville
$233 Roundtrip, found 1 hour ago
$233
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Nov 5 from Houston to Louisville, returning Sat, Nov 8, priced at $233 found 1 hour ago
Delta
Mon, Aug 4 - Wed, Aug 6
IAH
Houston
SDF
Louisville
$245 Roundtrip, just found
$245
Roundtrip
just found
Select Delta flight, departing Mon, Aug 4 from Houston to Louisville, returning Wed, Aug 6, priced at $245 just found
Flights from Houston (HOU) to Louisville (SDF)
Origin airport
William P. Hobby
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines
Popular airline
American Airlines
Distance
802 mi
Average flight time
3 hours 49 mins

Frequently asked questions

How much is a Delta Air Lines flight from William P. Hobby Airport (HOU) to Louisville Intl. Airport (SDF)?
Finding cheap one-way Delta Air Lines flights from HOU to SDF from $109 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $217 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from HOU to SDF with Delta Air Lines?
Delta Air Lines flights to Louisville are typically more affordable in the quieter months of January and December. Whether you're searching for a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from William P. Hobby Airport (HOU) to Louisville Intl. Airport (SDF) with Delta Air Lines?
Look for affordable Delta Air Lines flights from William P. Hobby Airport (HOU) to Louisville Intl. Airport (SDF) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the ideal day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from William P. Hobby Airport (HOU) to Louisville Intl. Airport (SDF)?
Simply enter your dates, click search and check "Nonstop" on Expedia to find any direct flights from HOU to SDF with Delta Air Lines or other carriers.
What is the earliest Delta Air Lines flight from HOU to SDF?
To find the earliest departure from HOU to SDF with Delta Air Lines, sort your results by "Early Morning" and "Morning." Booking an early flight usually means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Louisville?
Louisville Intl. Airport (SDF) is the primary Louisville hub for Delta Air Lines flights from William P. Hobby Airport (HOU).
Why fly with Delta Air Lines from HOU to SDF?
Heading from HOU to SDF with Delta Air Lines means enjoying plenty of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from William P. Hobby Airport (HOU) to Louisville Intl. Airport (SDF)?
Depending on the type of ticket you purchased, a fee is typically charged if you cancel or reschedule your booking more than 24 hours after it's been confirmed. To find plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. To learn more about modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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