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$95+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — HOU
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Houston are usually found in September or May, booked 55 days in advance, depart on a Monday or Saturday and return on a Wednesday

Cheap 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 12, 2026.

This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:15 am
SDF
-
IAH
Nonstop2h 27m
United Airlines
Tue 8/116:50 pm
IAH
-
SDF
Nonstop2h 25m
United Airlines
Deal found 7/8$189
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:45 pm
SDF
-
HOU
Nonstop2h 20m
Southwest
Sat 8/811:00 am
HOU
-
SDF
Nonstop2h 15m
Southwest
Deal found 7/9$189
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:50 am
SDF
-
HOU
1 stop3h 50m
Southwest
Mon 8/1712:25 pm
HOU
-
SDF
Nonstop2h 15m
Southwest
Deal found 7/9$195
This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:50 pm
SDF
-
IAH
1 stop7h 44m
United Airlines
Thu 8/68:30 am
IAH
-
SDF
Nonstop2h 24m
United Airlines
Deal found 7/8$199
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:55 pm
SDF
-
HOU
1 stop4h 45m
Southwest
Sat 9/2611:00 am
HOU
-
SDF
Nonstop2h 15m
Southwest
Deal found 7/8$200
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:40 pm
SDF
-
HOU
Nonstop2h 15m
Southwest
Wed 8/266:05 am
HOU
-
SDF
1 stop5h 35m
Southwest
Deal found 7/8$201
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:17 am
SDF
-
IAH
1 stop5h 25m
Delta
Thu 8/67:00 am
IAH
-
SDF
1 stop6h 18m
Delta
Deal found 7/8$209
This Delta deal was found by Cheapflights users on 7/7. 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 10/56:00 am
SDF
-
HOU
1 stop5h 01m
Delta
Mon 10/125:28 pm
HOU
-
SDF
1 stop4h 07m
Delta
Deal found 7/7$209
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:50 am
SDF
-
HOU
1 stop3h 50m
Southwest
Sat 8/1510:30 am
HOU
-
SDF
2 stops5h 45m
Southwest
Deal found 7/9$210
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:50 am
SDF
-
HOU
1 stop3h 50m
Southwest
Tue 9/222:35 pm
HOU
-
SDF
2 stops5h 00m
Southwest
Deal found 7/8$211
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/76:15 am
SDF
-
IAH
Nonstop2h 27m
United Airlines
Sat 8/88:30 am
IAH
-
SDF
Nonstop2h 24m
United Airlines
Deal found 7/9$216
This United Airlines deal was found by Cheapflights users on 7/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:35 pm
SDF
-
IAH
Nonstop2h 35m
United Airlines
Sun 9/612:00 pm
IAH
-
SDF
Nonstop2h 22m
United Airlines
Deal found 7/8$221

Find 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 12, 2026.

Round-trip from

$189
(United Airlines)

One-way from

$95
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$418
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 ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 12, 2026.
Use the filters below to find and compare flights from Louisville to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 9/19

3:35 pm-5:10 pm

Nonstop2h 35m

Houston George Bush Intcntl

Sat 9/26

6:45 pm-10:10 pm

Nonstop2h 25m

$189

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Wed 8/12

10:50 am-1:40 pm

1 stop3h 50m

Houston Hobby

Mon 8/17

12:25 pm-3:40 pm

Nonstop2h 15m

$195

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 8/8

7:05 am-11:15 am

1 stop5h 10m

Houston George Bush Intcntl

Sat 8/15

8:05 am-2:18 pm

1 stop5h 13m

$209

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Sat 9/19

9:00 am-1:50 pm

2 stops5h 50m

Houston Hobby

Sat 9/26

5:00 am-12:40 pm

1 stop6h 40m

$215

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Fri 10/9

5:45 pm-11:57 pm

1 stop7h 12m

Houston George Bush Intcntl

Mon 10/12

4:59 pm-10:35 pm

1 stop4h 36m

$236

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Fri 10/9

5:45 pm-11:09 pm

1 stop6h 24m

Houston Hobby

Mon 10/12

5:28 pm-12:02 am

1 stop5h 34m

$236

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Sat 10/10

10:55 am-7:00 pm

2 stops9h 05m

Houston Hobby

Fri 10/16

3:50 pm-12:10 am

1 stop7h 20m

$250

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 8/4

6:15 am-7:42 am

Nonstop2h 27m

Houston George Bush Intcntl

Tue 8/11

6:50 pm-10:15 pm

Nonstop2h 25m

$269

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 8/12

3:35 pm-5:10 pm

Nonstop2h 35m

Houston George Bush Intcntl

Mon 8/17

6:50 pm-10:15 pm

Nonstop2h 25m

$269

LouisvilleHouston

SDF - HOU

SDFHOU

Louisville Intl

Sat 10/31

11:55 am-1:15 pm

Nonstop2h 20m

Houston Hobby

Sun 11/8

7:55 am-5:30 pm

2 stops8h 35m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 39 resultsSorted by cheapest first
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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

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

Currently, February is the cheapest month in which you can book a flight from Louisville to Houston (average of $86). Flying from Louisville to Houston in June is currently the most expensive (average of $257). 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 12, 2026.

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 50% versus a flight in the afternoon.

How much does it cost to fly round-trip from Louisville to Houston?

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

Booking 54 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 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 July 4, 2026.

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 evenings 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 12, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
7.9
Good
4,251 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

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
7.9
Good
4,251 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

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
7.8
Good
8,458 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

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
9,980 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

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
7.1
Good
11,804 reviews
Southwest
7.9
Good
4,251 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

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. 4 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, Southwest, and Delta can get you from Louisville to Houston in just under 2h 35m. Your travel time can differ by up to 2h 35m. 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?

    Delta, at $174, was found to be the cheapest airline from Louisville to Houston.Alternate airlines to your destination round-trip include American Airlines and Southwest. These flights start at 54% lower than the current average price 3 months from now.

  • What are the cheapest flights from Louisville to Houston?

    The cheapest flight price from Louisville to Houston is $126. On average you can expect to pay $310. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $189.

  • 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, February is the cheapest month in which you can book a flight from Louisville to Houston (average of $86). Flying from Louisville to Houston in June is currently the most expensive (average of $257). 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 4 airlines flying from Louisville to Houston

Discover the top 4 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$210Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$219Average$374FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$269Average$420FlexibilityNo cancel feeOn-time69%

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