HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$80+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — HOU
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Louisville Intl to Houston are usually found in May or September, booked 69 days in advance, depart on a Sunday or Tuesday and return on a Friday

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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/3111:47 amSDF - IAH
1 stop8h 16mSpirit Airlines
Tue 12/25:34 amIAH - SDF
1 stop11h 19mSpirit Airlines
Deal found 10/27$180
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/411:55 amSDF - IAH
1 stop8h 23mMultiple Airlines
Thu 12/117:25 pmIAH - SDF
1 stop14h 06mMultiple Airlines
Deal found 10/27$200
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Fri 11/77:11 pmSDF - IAH
1 stop6h 07mSpirit Airlines
Sun 11/95:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
Deal found 10/27$203
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Thu 11/137:11 pmSDF - IAH
1 stop6h 07mSpirit Airlines
Mon 11/175:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
Deal found 10/28$207
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Fri 10/3111:47 amSDF - IAH
1 stop8h 16mSpirit Airlines
Sun 11/25:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
Deal found 10/27$234
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:47 amSDF - IAH
1 stop8h 16mSpirit Airlines
Mon 11/35:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
Deal found 10/27$235
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 12/26:48 pmSDF - IAH
1 stop6h 53mMultiple Airlines
Tue 12/98:07 pmIAH - SDF
2 stops37h 53mMultiple Airlines
Deal found 10/27$237
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/249:23 amSDF - IAH
1 stop16h 18mMultiple Airlines
Mon 12/16:09 pmIAH - SDF
1 stop22h 44mMultiple Airlines
Deal found 10/27$243
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Thu 11/67:11 pmSDF - IAH
1 stop6h 07mSpirit Airlines
Mon 11/105:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
Deal found 10/28$245
This Southwest deal was found by Cheapflights users on 10/27. 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 12/116:05 amSDF - HOU
1 stop6h 30mSouthwest
Thu 12/1812:40 pmHOU - SDF
Nonstop2h 10mSouthwest
Deal found 10/27$281
This Delta deal was found by Cheapflights users on 10/28. 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.
Mon 12/158:35 amSDF - HOU
1 stop5h 53mDelta
Wed 12/176:00 amHOU - SDF
1 stop5h 13mDelta
Deal found 10/28$291
This Southwest deal was found by Cheapflights users on 10/29. 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 12/411:45 amSDF - HOU
2 stops8h 50mSouthwest
Mon 12/86:00 amHOU - SDF
1 stop6h 15mSouthwest
Deal found 10/29$296

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 October 29, 2025.

Round-trip from

$194
(Kiwi.com)

One-way from

$80
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$347
From Louisville Intl to Houston
Search Deals
One-way flight from Louisville Intl to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 29, 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

Mon 2/2

6:00 am-6:20 am

3 stops25h 20m

Houston George Bush Intcntl

Tue 2/10

4:42 pm-9:54 am

1 stop16h 12m

$249

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 1/7

9:15 am-11:08 am

Nonstop2h 53m

Houston George Bush Intcntl

Mon 1/12

6:40 pm-9:59 pm

Nonstop2h 19m

$271

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 2/2

9:15 am-11:08 am

Nonstop2h 53m

Houston George Bush Intcntl

Tue 2/10

6:40 pm-9:59 pm

Nonstop2h 19m

$271

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 12/8

3:40 pm-5:19 pm

Nonstop2h 39m

Houston George Bush Intcntl

Mon 12/15

6:38 pm-9:57 pm

Nonstop2h 19m

$271

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 12/4

7:00 am-11:50 am

1 stop5h 50m

Houston George Bush Intcntl

Mon 12/8

6:38 pm-9:57 pm

Nonstop2h 19m

$281

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 12/8

7:50 am-3:01 pm

1 stop8h 11m

Houston George Bush Intcntl

Tue 12/9

3:10 pm-9:13 pm

1 stop5h 03m

$291

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Mon 2/2

12:50 pm-5:45 pm

1 stop5h 55m

Houston Hobby

Tue 2/10

2:15 pm-10:10 pm

1 stop6h 55m

$291

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 12/9

6:00 am-11:30 am

1 stop6h 30m

Houston George Bush Intcntl

Tue 12/9

6:39 pm-11:59 pm

1 stop4h 20m

$291

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Tue 2/17

5:45 pm-9:46 pm

1 stop5h 01m

Houston Hobby

Tue 2/24

5:35 pm-11:56 pm

1 stop5h 21m

$291

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Wed 2/18

6:00 am-9:32 am

1 stop4h 32m

Houston Hobby

Wed 2/25

5:35 pm-11:56 pm

1 stop5h 21m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 42 results
1
2
3
...
5

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 October 24, 2025.

Booking 69 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 $98). Flying from Louisville to Houston in April is currently the most expensive (average of $166). 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 October 29, 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 evening, which can drop the price by up to 42% versus a flight in the afternoon.

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 Thursday evenings when fares are most often at their lowest. Tuesday 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 October 29, 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

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

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
7.9
Good
7,992 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

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
8,999 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

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
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

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
8,114 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

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?

    Spirit Airlines, United Airlines, and Delta can get you from Louisville to Houston in just under 2h 53m. Your travel time can differ by up to 22h 27m. 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 Southwest. 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 Spirit Airlines ($103), United Airlines ($136), and Southwest ($136).

  • What are the cheapest flights from Louisville to Houston?

    The cheapest flight price from Louisville to Houston is $165. On average you can expect to pay $382. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $194.

  • 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 $98). Flying from Louisville to Houston in April is currently the most expensive (average of $166). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Dallas/Fort Worth flights
Cincinnati to Hobby flights
Cincinnati to George Bush Intcntl flights
Nashville to Hobby flights
Nashville to Dallas/Fort Worth flights
Knoxville to Hobby flights
Nashville to Austin flights
Nashville to George Bush Intcntl flights
Louisville to Dallas/Fort Worth flights
Louisville to Hobby flights
Knoxville to Dallas/Fort Worth flights
Lexington to Dallas/Fort Worth flights
Louisville to George Bush Intcntl flights
Cincinnati to Austin flights
Cincinnati to Love Field flights
Knoxville to George Bush Intcntl flights
Louisville to Love Field flights
Nashville to Love Field flights
Lexington to Hobby flights
Nashville to San Antonio flights
Louisville to San Antonio flights
Evansville to Dallas/Fort Worth flights
Lexington to Austin flights
Knoxville to Austin flights
Cincinnati to San Antonio flights
Lexington to George Bush Intcntl flights
Knoxville to San Antonio flights
Louisville to Austin flights
Blountville to Dallas/Fort Worth flights
Knoxville to Love Field flights
Cincinnati to El Paso flights
Lexington to El Paso flights
Lexington to San Antonio flights
Evansville to Hobby flights
Lexington to Love Field flights
Evansville to Love Field flights
Blountville to Hobby flights
Nashville to El Paso flights
Cincinnati to Lubbock flights
Cincinnati to Corpus Christi flights
Blountville to George Bush Intcntl flights
Nashville to Corpus Christi flights
Evansville to George Bush Intcntl flights
Cincinnati to Brownsville flights
Nashville to McAllen flights
Blountville to Love Field flights
Nashville to Harlingen flights
Huntington to Hobby flights
Nashville to Amarillo flights
Nashville to Lubbock flights

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$153Average$257FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$353FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$222Average$352FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$250Average$359FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$392FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.