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$89+ Cheap flights from Louisville (SDF) to Houston

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — HOU
Jul 21 — Jul 281
Mon 7/21
Mon 7/28
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Houston are usually found in May or June, booked 6 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Cheap flight deals from Louisville to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Houston (HO1). 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 July 16, 2025.

Round-trip from

$199
(FlightHub)

One-way from

$89
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$389
From Louisville Intl to Houston
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One-way flight from Louisville Intl to Houston
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Louisville to Houston

Cheapest flights from Louisville to Houston
Explore the most affordable flight options available from Louisville to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/142:46 pmSDF - IAH
1 stop5h 57mSpirit Airlines
Thu 8/215:45 amIAH - SDF
1 stop5h 07mSpirit Airlines
Deal found 7/15$194
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:25 pmSDF - HOU
Nonstop2h 20mSouthwest
Sat 8/910:50 amHOU - SDF
Nonstop2h 10mSouthwest
Deal found 7/14$217
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/129:35 amSDF - IAH
Nonstop2h 25mUnited Airlines
Tue 8/197:00 amIAH - SDF
1 stop5h 17mUnited Airlines
Deal found 7/15$227
This Mytrip deal was found by Cheapflights users on 7/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:50 pmSDF - IAH
1 stop8h 55mMultiple Airlines
Sun 9/286:59 pmIAH - SDF
2 stops21h 56mMultiple Airlines
Deal found 7/15$232
This Delta deal was found by Cheapflights users on 7/15. 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 8/98:05 amSDF - IAH
1 stop4h 57mDelta
Thu 8/145:17 pmIAH - SDF
1 stop5h 39mDelta
Deal found 7/15$237
This Delta deal was found by Cheapflights users on 7/16. 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 11/16:00 amSDF - HOU
1 stop4h 23mDelta
Sat 11/86:00 amHOU - SDF
1 stop4h 34mDelta
Deal found 7/16$237
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 8/296:25 pmSDF - HOU
1 stop4h 37mAmerican Airlines
Tue 9/22:30 pmHOU - SDF
1 stop4h 32mAmerican Airlines
Deal found 7/15$288

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Houston 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 July 16, 2025.
Use the filters below to find and compare flights from Louisville to Houston that are best for you.

Fly from

Louisville

Fly to

Houston

Route

Depart

Return

Price

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 8/14

2:46 pm-7:43 pm

1 stop5h 57m

Houston George Bush Intcntl

Thu 8/21

5:45 am-11:52 am

1 stop5h 07m

$194

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Thu 8/7

6:25 pm-7:45 pm

Nonstop2h 20m

Houston Hobby

Sat 8/9

10:50 am-2:00 pm

Nonstop2h 10m

$217

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 8/12

9:35 am-11:00 am

Nonstop2h 25m

Houston George Bush Intcntl

Tue 8/19

7:00 am-1:17 pm

1 stop5h 17m

$227

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Fri 9/26

9:50 pm-5:45 am

1 stop8h 55m

Houston George Bush Intcntl

Sun 9/28

6:59 pm-5:55 pm

2 stops21h 56m

$232

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 8/9

8:05 am-12:02 pm

1 stop4h 57m

Houston George Bush Intcntl

Thu 8/14

5:17 pm-11:56 pm

1 stop5h 39m

$237

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Sat 11/1

12:40 pm-4:27 pm

1 stop4h 47m

Houston Hobby

Tue 11/4

6:00 am-11:34 am

1 stop4h 34m

$237

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Fri 8/29

6:25 pm-10:02 pm

1 stop4h 37m

Houston Hobby

Tue 9/2

2:30 pm-8:02 pm

1 stop4h 32m

$288

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 9/4

11:40 am-7:45 pm

1 stop9h 05m

$89

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 8/20

3:35 pm-5:11 pm

Nonstop2h 36m

$109

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Sat 8/16

6:05 pm-7:25 pm

Nonstop2h 20m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 17 results
1
2

Best time to book a flight from Louisville to Houston

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

How far ahead should I book a flight from Louisville to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Houston. Price data was last updated on July 11, 2025.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Houston?

Currently, September is the cheapest month in which you can book a flight from Louisville to Houston (average of $230). Flying from Louisville to Houston in March is currently the most expensive (average of $332). 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.

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

Find hourly flight availability from Louisville to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 16, 2025.

When flying from Louisville to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 10% versus a flight in the evening.

What is the cheapest day to fly from Louisville to Houston?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Louisville to Houston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated July 16, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Louisville to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,863 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.2
Good
705 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Houston?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Houston. 5 airlines have flights from Louisville Intl to Houston on a regular basis. Booking flights from Louisville Intl to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

  • What are the cheapest airlines flying from Louisville to Houston round-trip?

    Spirit Airlines, at $199, was found to be the cheapest airline from Louisville to Houston.Alternate airlines to your destination round-trip include Southwest and United Airlines. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Louisville to Houston one-way?

    The cheapest airlines for a one-way flight from Louisville to Houston are Spirit Airlines ($89), United Airlines ($109), and Southwest ($109).

  • What are the cheapest flights from Louisville to Houston?

    The cheapest flight price from Louisville to Houston is $114. On average you can expect to pay $243. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $205.

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

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

  • How can I find direct flights from Louisville to Houston?

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

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

    Yes. Cheapflights offers flight deals from Louisville to Houston 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 Louisville to Houston?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Houston (average of $230). Flying from Louisville to Houston in March is currently the most expensive (average of $332). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Louisville to Houston

Discover the top 5 airlines that operate flights from Louisville to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$103Average$250FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$228Average$402FlexibilityNo cancel feeOn-time71%
DeltaCheapest$242Average$364FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$367FlexibilityNo cancel feeOn-time63%

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