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$66+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — HOU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Houston are usually found in May or October, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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 September 11, 2025.

Round-trip from

$133
(United Airlines)

One-way from

$66
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$354
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. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:30 amSDF - IAH
Nonstop2h 44mUnited Airlines
Tue 12/96:38 pmIAH - SDF
Nonstop2h 19mUnited Airlines
Deal found 9/10$133
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:15 amSDF - IAH
Nonstop2h 28mUnited Airlines
Sat 10/184:35 pmIAH - SDF
Nonstop2h 22mUnited Airlines
Deal found 9/10$149
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:32 amSDF - IAH
1 stop7h 03mAmerican Airlines
Sat 10/186:00 amIAH - SDF
1 stop6h 47mAmerican Airlines
Deal found 9/10$159
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/146:00 amSDF - HOU
1 stop4h 42mAmerican Airlines
Tue 10/212:24 pmHOU - SDF
1 stop7h 01mAmerican Airlines
Deal found 9/11$159
This American Airlines deal was found by Cheapflights users on 9/9. 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 12/66:30 amSDF - IAH
2 stops8h 03mAmerican Airlines
Sat 12/135:00 amIAH - SDF
1 stop4h 06mAmerican Airlines
Deal found 9/9$164
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:15 amSDF - IAH
Nonstop2h 28mUnited Airlines
Fri 10/176:25 pmIAH - SDF
Nonstop2h 29mUnited Airlines
Deal found 9/10$165
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/36:44 pmSDF - IAH
1 stop4h 48mAmerican Airlines
Tue 10/72:25 pmIAH - SDF
1 stop7h 00mAmerican Airlines
Deal found 9/11$172
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amSDF - IAH
1 stop5h 53mUnited Airlines
Fri 10/36:25 pmIAH - SDF
Nonstop2h 29mUnited Airlines
Deal found 9/9$175
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:10 pmSDF - HOU
Nonstop2h 20mSouthwest
Sat 10/1810:50 amHOU - SDF
Nonstop2h 10mSouthwest
Deal found 9/10$175
This American Airlines deal was found by Cheapflights users on 9/11. 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 12/66:30 amSDF - IAH
2 stops8h 03mAmerican Airlines
Mon 12/811:07 amIAH - SDF
1 stop6h 05mAmerican Airlines
Deal found 9/11$177
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:23 amSDF - IAH
1 stop10h 49mSpirit Airlines
Mon 9/2212:47 pmIAH - SDF
1 stop8h 17mSpirit Airlines
Deal found 9/8$181
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:34 pmSDF - IAH
1 stop10h 56mSpirit Airlines
Sat 9/2010:02 pmIAH - SDF
1 stop18h 37mSpirit Airlines
Deal found 9/9$182

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 September 11, 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

Tue 12/9

9:30 am-11:14 am

Nonstop2h 44m

Houston George Bush Intcntl

Tue 12/9

6:38 pm-9:57 pm

Nonstop2h 19m

$133

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 12/6

3:40 pm-5:19 pm

Nonstop2h 39m

Houston George Bush Intcntl

Mon 12/8

6:38 pm-9:57 pm

Nonstop2h 19m

$149

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 10/15

7:15 am-8:43 am

Nonstop2h 28m

Houston George Bush Intcntl

Sat 10/18

4:35 pm-7:57 pm

Nonstop2h 22m

$149

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 12/6

10:47 am-5:21 pm

1 stop7h 34m

Houston George Bush Intcntl

Sat 12/13

9:28 am-3:32 pm

1 stop5h 04m

$159

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Tue 10/14

6:00 am-9:42 am

1 stop4h 42m

Houston Hobby

Tue 10/21

2:24 pm-10:25 pm

1 stop7h 01m

$159

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 10/15

7:15 am-8:43 am

Nonstop2h 28m

Houston George Bush Intcntl

Fri 10/17

6:25 pm-9:54 pm

Nonstop2h 29m

$165

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Fri 10/3

7:00 am-11:53 am

1 stop5h 53m

Houston George Bush Intcntl

Fri 10/3

6:25 pm-9:54 pm

Nonstop2h 29m

$175

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 12/6

6:30 am-1:33 pm

2 stops8h 03m

Houston George Bush Intcntl

Mon 12/8

11:07 am-6:12 pm

1 stop6h 05m

$177

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 10/7

7:15 am-8:43 am

Nonstop2h 28m

Houston George Bush Intcntl

Thu 10/9

4:35 pm-7:57 pm

Nonstop2h 22m

$183

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Fri 10/10

5:48 pm-11:59 pm

1 stop7h 11m

Houston George Bush Intcntl

Sat 10/18

7:20 am-1:21 pm

1 stop5h 01m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 41 results
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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 August 29, 2025.

Booking 37 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 $331). 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 September 11, 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 9% versus a flight in the morning.

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 September 11, 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
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Louisville to Houston?

    United Airlines, American Airlines, and Southwest can get you from Louisville to Houston in just under 2h 44m. Your travel time can differ by up to 5h 21m. The distance from Louisville to Houston is about 787 mi. This flight may include one or multiple stops.

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

    Spirit Airlines, at $153, was found to be the cheapest airline from Louisville to Houston.Alternate airlines to your destination round-trip include Delta and American Airlines. These flights start at 57% 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 United Airlines ($67), Southwest ($67), and American Airlines ($80).

  • What are the cheapest flights from Louisville to Houston?

    The cheapest flight price from Louisville to Houston is $125. On average you can expect to pay $309. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $133.

  • 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 $331). 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$153Average$250FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$396FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$238Average$361FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$271Average$389FlexibilityNo cancel feeOn-time69%

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