$109 Cheap Flights from Louisville (SDF) to Houston (HOU)

View $109 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Houston William Hobby Airport (HOU)

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Cheap Flights from Louisville to Houston (SDF-HOU)

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.

Southwest Airlines
Wed, Oct 22 - Wed, Oct 29
SDF
Louisville
HOU
Houston
$217 Roundtrip, found 4 hours ago
$217
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Louisville to Houston, returning Wed, Oct 29, priced at $217 found 4 hours ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
SDF
Louisville
HOU
Houston
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Louisville to Houston, returning Mon, Dec 8, priced at $230 found 3 days ago
Southwest Airlines
Sat, Sep 6 - Tue, Sep 9
SDF
Louisville
HOU
Houston
$232 Roundtrip, found 3 hours ago
$232
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Sat, Sep 6 from Louisville to Houston, returning Tue, Sep 9, priced at $232 found 3 hours ago
Delta
Wed, Aug 20 - Thu, Aug 21
SDF
Louisville
HOU
Houston
$234 Roundtrip, found 22 hours ago
$234
Roundtrip
found 22 hours ago
Select Delta flight, departing Wed, Aug 20 from Louisville to Houston, returning Thu, Aug 21, priced at $234 found 22 hours ago

Find the cheapest month to fly from Louisville (SDF) to Houston (HOU)

August is typically the cheapest month to fly

From $153 - $417 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $296
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $296
Flights from Louisville (SDF) to Houston (IAH)
Origin airport
Louisville Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$174
Distance
788 mi
Average flight time
1 hour 22 mins

Louisville to Houston Flights

The cheapest times to fly from Louisville to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Houston are during the month of October. You can find some of the cheapest flights from Louisville to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Houston

Sunday is one of the best days to book for cheap flights from Louisville to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU) cost?
You can book cheap return flights starting at $217 from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SDF on August 14 2025 and touching down at HOU. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SDF to HOU?
The cheapest flights from SDF to HOU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
Jump on a nonstop flight with Southwest Airlines and head straight from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU).
What is the cheapest airline that flies from SDF to HOU?
Take off from SDF to HOU with Southwest Airlines. This carrier currently offers the lowest one-way fare for this route, starting at $109. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SDF on September 4 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
On average, Louisville Intl. Airport (SDF) offers 3 direct flights to William P. Hobby Airport (HOU) weekly. If you're looking for more options, take advantage of Expedia's filters to discover flights with layovers. Squeeze in a visit to another location or simply break up your journey.
What are the most popular departure times for flights from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
The 12 PM departures from SDF to HOU are typically the busiest. Prices can be higher for these popular slots. If you want to save money, book during off-peak hours.
What day of the week has the most flights from SDF to HOU?
Jet off on a Friday if you're after the largest selection of flights from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU).
What is the earliest flight from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
The first flight of the day leaving Louisville Intl. Airport (SDF) is at around 12:55PM UTC-5. Board this flight and you'll land at William P. Hobby Airport (HOU) at approximately 2:30PM UTC-6. The total time in the air is 2h 35m.
How long does it take to fly from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
Typically, it takes 2 hours and 35 minutes to travel the 800 mi from SDF to HOU.
What airline has the least delays from SDF to HOU?
With 81% of flights typically arriving on schedule, Southwest Airlines has the best on-time performance for direct flights from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU). To keep track of your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
Select a flight from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Houston from Louisville Intl. Airport (SDF)?
You'll touch down at George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) when traveling to Houston on a direct flight from Louisville Intl. Airport (SDF).
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU) last-minute?
Holding off until just before your trip to book a flight from SDF to HOU often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a SDF to HOU flight and hotel package?
You'll typically save money by securing a SDF to HOU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to William P. Hobby Airport (HOU)?
If you booked your SDF to HOU flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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