HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$82+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — HOU
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 August or May, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 April 11, 2025.

Round-trip from

$136
(Priceline)

One-way from

$82
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$341
From Louisville Intl to Houston
Search Deals
One-way flight from Louisville Intl to Houston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 11, 2025.

This Priceline deal was found by Cheapflights users on 4/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:04 amSDF - IAH
Nonstop2h 31mSpirit Airlines
Sun 5/410:06 amIAH - SDF
Nonstop2h 13mSpirit Airlines
Deal found 4/9$136
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:19 pmSDF - IAH
1 stop14h 43mMultiple Airlines
Sun 4/278:24 pmIAH - SDF
1 stop24h 53mMultiple Airlines
Deal found 4/10$229
This United Airlines deal was found by Cheapflights users on 4/10. 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 5/69:25 amSDF - IAH
Nonstop2h 41mUnited Airlines
Thu 5/86:15 pmIAH - SDF
Nonstop2h 25mUnited Airlines
Deal found 4/10$246
This Southwest deal was found by Cheapflights users on 4/10. 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.
Sat 5/101:30 pmSDF - HOU
Nonstop2h 30mSouthwest
Sat 5/1710:55 amHOU - SDF
2 stops8h 40mSouthwest
Deal found 4/10$275
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/306:30 pmSDF - HOU
1 stop6h 28mAmerican Airlines
Tue 6/35:00 amHOU - SDF
1 stop4h 25mAmerican Airlines
Deal found 4/10$280
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:20 amSDF - HOU
1 stop4h 45mDelta
Tue 8/264:20 pmHOU - SDF
1 stop6h 37mDelta
Deal found 4/9$281
This Mytrip deal was found by Cheapflights users on 4/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/11:05 pmSDF - HOU
1 stop23h 34mSun Country Air
Sun 5/48:00 amHOU - SDF
1 stop26h 43mSun Country Air
Deal found 4/11$337
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:20 amSDF - IAH
1 stop4h 59mDelta
Sat 12/135:00 pmIAH - SDF
1 stop4h 30mDelta
Deal found 4/10$339
This American Airlines deal was found by Cheapflights users on 4/11. 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.
Thu 5/298:15 pmSDF - IAH
1 stop5h 26mAmerican Airlines
Mon 6/27:48 amIAH - SDF
1 stop4h 15mAmerican Airlines
Deal found 4/11$349
This Mytrip deal was found by Cheapflights users on 4/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2211:34 amSDF - HOU
2 stops27h 09mAllegiant Air
Sun 5/2510:02 amHOU - SDF
2 stops21h 46mAllegiant Air
Deal found 4/11$350
This Mytrip deal was found by Cheapflights users on 4/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2211:34 amSDF - HOU
2 stops27h 09mMultiple Airlines
Sun 5/259:16 amHOU - SDF
1 stop24h 57mMultiple Airlines
Deal found 4/11$354

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 April 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

Thu 5/1

9:04 am-10:35 am

Nonstop2h 31m

Houston George Bush Intcntl

Sun 5/4

10:06 am-1:19 pm

Nonstop2h 13m

$136

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Fri 4/25

6:19 pm-8:02 am

1 stop14h 43m

Houston George Bush Intcntl

Sun 4/27

8:24 pm-10:17 pm

1 stop24h 53m

$229

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 5/6

9:25 am-11:06 am

Nonstop2h 41m

Houston George Bush Intcntl

Thu 5/8

6:15 pm-9:40 pm

Nonstop2h 25m

$246

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Sat 5/10

1:30 pm-3:00 pm

Nonstop2h 30m

Houston Hobby

Sat 5/17

10:55 am-8:35 pm

2 stops8h 40m

$275

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Fri 5/30

6:30 pm-11:58 pm

1 stop6h 28m

Houston Hobby

Tue 6/3

5:00 am-10:25 am

1 stop4h 25m

$280

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Thu 8/21

8:20 am-12:05 pm

1 stop4h 45m

Houston Hobby

Tue 8/26

4:20 pm-11:57 pm

1 stop6h 37m

$281

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 5/29

8:15 pm-12:41 am

1 stop5h 26m

Houston George Bush Intcntl

Mon 6/2

7:48 am-1:03 pm

1 stop4h 15m

$349

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 4/24

10:32 am-2:54 pm

1 stop5h 22m

Houston George Bush Intcntl

Sun 4/27

5:20 am-11:23 am

1 stop5h 03m

$437

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 5/12

6:48 pm-12:07 am

1 stop6h 19m

$82

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sun 5/11

7:00 am-8:41 am

Nonstop2h 41m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 18 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 April 4, 2025.

Booking 28 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 $334). 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 April 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 at noon, which can drop the price by up to 16% 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 Tuesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 April 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Louisville to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,912 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,644 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $136, was found to be the cheapest airline from Louisville to Houston.Alternate airlines to your destination round-trip include United Airlines and Southwest. These flights start at 61% 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 ($82), United Airlines ($116), and Southwest ($116).

  • What are the cheapest flights from Louisville to Houston?

    The cheapest flight price from Louisville to Houston is $99. On average you can expect to pay $284. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $136.

  • 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 $334). 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 Hobby flights
Cincinnati to Dallas/Fort Worth flights
Cincinnati to George Bush Intcntl flights
Nashville to Dallas/Fort Worth flights
Nashville to Hobby flights
Cincinnati to Austin flights
Nashville to George Bush Intcntl flights
Louisville to Hobby flights
Nashville to Austin flights
Knoxville to Hobby flights
Knoxville to Dallas/Fort Worth flights
Cincinnati to Love Field flights
Louisville to Dallas/Fort Worth flights
Louisville to George Bush Intcntl flights
Lexington to Dallas/Fort Worth flights
Nashville to Love Field flights
Knoxville to George Bush Intcntl flights
Nashville to San Antonio flights
Louisville to Love Field flights
Lexington to Hobby flights
Cincinnati to San Antonio flights
Louisville to Austin flights
Louisville to San Antonio flights
Blountville to Dallas/Fort Worth flights
Lexington to George Bush Intcntl flights
Lexington to Austin flights
Evansville to Dallas/Fort Worth flights
Knoxville to San Antonio flights
Cincinnati to El Paso flights
Knoxville to Love Field flights
Blountville to Austin flights
Nashville to Lubbock flights
Knoxville to Austin flights
Lexington to Love Field flights
Louisville to Brownsville flights
Nashville to McAllen flights
Nashville to El Paso flights
Knoxville to El Paso flights
Lexington to San Antonio flights
Blountville to San Antonio flights
Cincinnati to Lubbock flights
Evansville to Austin flights
Evansville to Hobby flights
Cincinnati to Midland flights
Cincinnati to McAllen flights
Nashville to Amarillo flights
Nashville to Killeen flights
Huntington to Hobby flights
Lexington to Corpus Christi flights
Blountville to Hobby 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$128Average$247FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$192Average$388FlexibilityNo cancel feeOn-time71%
DeltaCheapest$225Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$382FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$284Average$377FlexibilityNo cancel feeOn-time63%

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.