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George Bush Intcntl

$81+ Cheap flights from Louisville (SDF) to George Bush Intcntl (IAH)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAH
mar 11 — mar 181
qua 3/11
qua 3/18
1 adult, Economy
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Find cheap flights from Louisville to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Houston George Bush Intcntl are usually found in August or October, booked 66 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Louisville to George Bush Intcntl

Cheapest flights from Louisville to George Bush Intcntl
Explore the most affordable flight options available from Louisville to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 9, 2026.

This Mytrip deal was found by Cheapflights users on 2/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 3/712:00 pm
SDF
-
IAH
1 stop7h 53m
Spirit Airlines
ter 3/109:40 pm
IAH
-
SDF
1 stop13h 41m
Spirit Airlines
Deal found 2/7$196
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
seg 2/231:19 pm
SDF
-
IAH
1 stop10h 22m
Spirit Airlines
ter 2/247:21 am
IAH
-
SDF
1 stop6h 17m
Spirit Airlines
Deal found 2/6$204
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
ter 4/283:33 pm
SDF
-
IAH
1 stop9h 26m
Spirit Airlines
qua 5/64:22 pm
IAH
-
SDF
1 stop21h 16m
Spirit Airlines
Deal found 2/5$206
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
ter 3/103:33 pm
SDF
-
IAH
1 stop9h 45m
Spirit Airlines
ter 3/174:11 pm
IAH
-
SDF
1 stop18h 03m
Spirit Airlines
Deal found 2/6$220
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/107:48 pm
SDF
-
IAH
1 stop13h 52m
Multiple Airlines
seg 4/1311:42 am
IAH
-
SDF
1 stop23h 05m
Multiple Airlines
Deal found 2/7$222
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
ter 3/103:33 pm
SDF
-
IAH
1 stop9h 45m
Spirit Airlines
qua 3/186:27 pm
IAH
-
SDF
1 stop19h 06m
Spirit Airlines
Deal found 2/6$226
This CheapOair deal was found by Cheapflights users on 2/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/1012:09 pm
SDF
-
IAH
1 stop11h 28m
Spirit Airlines
ter 4/144:20 pm
IAH
-
SDF
1 stop18h 18m
Spirit Airlines
Deal found 2/8$230
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/231:19 pm
SDF
-
IAH
1 stop8h 26m
Spirit Airlines
sex 2/279:40 pm
IAH
-
SDF
2 stops12h 25m
Spirit Airlines
Deal found 2/8$233
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
dom 4/263:33 pm
SDF
-
IAH
1 stop9h 26m
Spirit Airlines
qua 4/294:22 pm
IAH
-
SDF
1 stop21h 16m
Spirit Airlines
Deal found 2/6$236
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
ter 3/103:33 pm
SDF
-
IAH
1 stop17h 27m
Spirit Airlines
qui 3/197:35 am
IAH
-
SDF
1 stop5h 58m
Spirit Airlines
Deal found 2/6$239
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
seg 3/1612:09 pm
SDF
-
IAH
1 stop21h 31m
Multiple Airlines
ter 3/174:11 pm
IAH
-
SDF
1 stop18h 03m
Multiple Airlines
Deal found 2/6$241

Find flight deals from Louisville to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to George Bush Intcntl (IAH). 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 fevereiro 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$196
(Mytrip)

One-way from

$81
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$537

Good round-trip deal

$427 or less

Good one-way deal

$234 or less
Provider with most accurate pricing for Louisville Intl-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Houston George Bush Intcntl flights.
Search Deals
From Louisville Intl to Houston George Bush Intcntl
Search Deals
One-way flight from Louisville Intl to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to George Bush Intcntl 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 fevereiro 9, 2026.
Use the filters below to find and compare flights from Louisville to Houston George Bush Intcntl Airport that are best for you.

Fly from

Louisville

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

qua 4/1

12:09 pm-10:34 pm

1 stop11h 25m

Houston George Bush Intcntl

seg 4/13

4:22 pm-11:47 am

1 stop18h 25m

$250

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

sáb 3/7

12:00 pm-6:53 pm

1 stop7h 53m

Houston George Bush Intcntl

sáb 3/14

7:19 pm-11:14 am

2 stops38h 55m

$300

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

qua 3/11

6:00 am-7:48 am

Nonstop2h 48m

Houston George Bush Intcntl

qua 3/18

4:35 pm-7:51 pm

Nonstop2h 16m

$309

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

ter 4/28

7:20 am-11:57 am

1 stop5h 37m

Houston George Bush Intcntl

qua 5/6

4:35 pm-8:00 pm

Nonstop2h 25m

$319

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

sáb 3/7

6:00 am-7:48 am

Nonstop2h 48m

Houston George Bush Intcntl

sáb 3/14

4:35 pm-7:51 pm

Nonstop2h 16m

$329

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

qui 3/12

6:00 am-7:48 am

Nonstop2h 48m

Houston George Bush Intcntl

seg 3/16

6:37 pm-9:59 pm

Nonstop2h 22m

$329

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

seg 3/9

6:00 am-7:48 am

Nonstop2h 48m

Houston George Bush Intcntl

dom 3/15

6:37 pm-9:59 pm

Nonstop2h 22m

$334

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

qui 3/12

6:00 am-7:48 am

Nonstop2h 48m

Houston George Bush Intcntl

dom 3/15

6:37 pm-9:59 pm

Nonstop2h 22m

$334

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

qui 4/16

9:15 am-10:53 am

Nonstop2h 38m

Houston George Bush Intcntl

dom 4/19

6:32 pm-9:59 pm

Nonstop2h 27m

$334

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

dom 3/22

8:00 am-9:49 am

Nonstop2h 49m

Houston George Bush Intcntl

sex 3/27

4:35 pm-7:51 pm

Nonstop2h 16m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 23 results
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Compare providers for flights from Louisville to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to George Bush Intcntl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

How far ahead should I book a flight from Louisville to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to George Bush Intcntl. Price data was last updated on February 6, 2026.

The best time to book flights from Louisville to Houston George Bush Intcntl Airport is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Louisville to Houston George Bush Intcntl Airport?

Currently, September is the cheapest month in which you can book a flight from Louisville to Houston George Bush Intcntl Airport (average of $98). Flying from Louisville to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $223). 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 IAH?

Find hourly flight availability from Louisville to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated fevereiro 9, 2026.

When flying from Louisville to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated fevereiro 9, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Louisville to Houston George Bush Intcntl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,174 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,174 reviews
Delta
7.9
Good
8,174 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,259 reviews
Delta
7.9
Good
8,174 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,258 reviews
Delta
7.9
Good
8,174 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,430 reviews
Delta
7.9
Good
8,174 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Louisville to George Bush Intcntl. 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 George Bush Intcntl?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Houston George Bush Intcntl. On average, Louisville Intl has 7 outbound flights to Houston George Bush Intcntl per day from 4 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • How long is the flight from Louisville to Houston George Bush Intcntl Airport?

    For as low as $309, Spirit Airlines can have you in Houston George Bush Intcntl Airport from Louisville in 2h 48m. The distance between Louisville and Houston George Bush Intcntl Airport is about 787 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Louisville to Houston George Bush Intcntl Airport round-trip?

    According to our current data, Delta ($108), Spirit Airlines ($153), and American Airlines ($251) offers the cheapest pricing from Louisville to Houston George Bush Intcntl Airport. Users have found that Delta is 73% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Louisville to Houston George Bush Intcntl Airport one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Louisville to Houston George Bush Intcntl Airport for a low price.

  • What are the most reliable airlines from Louisville to Houston George Bush Intcntl Airport?

    The top 3 most reliable airlines when flying from Louisville to Houston George Bush Intcntl Airport are Copa Airlines (80%), United Airlines (79%) and Mesa Airlines (79%).

  • What are the cheapest flights from Louisville to Houston George Bush Intcntl Airport?

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Louisville Intl - Houston George Bush Intcntl) can be booked for $206 on average, our data indicates $704 when flying from Louisville to Houston George Bush Intcntl Airport.

  • Can I find deals for flights from Louisville to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Louisville to George Bush Intcntl?

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

  • Can I find deals for business class flights from Louisville to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Louisville to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Houston George Bush Intcntl Airport (average of $98). Flying from Louisville to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $223). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Katy
The Woodlands
Tomball
Conroe
Humble
Jersey Village
Cypress

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Top 4 airlines flying from Louisville to George Bush Intcntl

Discover the top 4 airlines that operate flights from Louisville to George Bush Intcntl. 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 fevereiro 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$384FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$153Average$292FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$251Average$404FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$405FlexibilityNo cancel feeOn-time69%

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