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$63+ Cheap flights from George Bush Intcntl (IAH) to Louisville (SDF)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SDF
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Louisville

Cheapest flights from George Bush Intcntl to Louisville
Explore the most affordable flight options available from George Bush Intcntl to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Sun 12/287:45 pmIAH - SDF
2 stops17h 32mMultiple Airlines
Wed 1/75:05 amSDF - IAH
1 stop13h 45mMultiple Airlines
Deal found 12/22$485
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Sun 12/286:00 amIAH - SDF
2 stops31h 17mMultiple Airlines
Sun 1/45:05 amSDF - IAH
1 stop28h 58mMultiple Airlines
Deal found 12/21$550
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Wed 12/316:05 pmIAH - SDF
2 stops19h 10mMultiple Airlines
Fri 1/23:02 pmSDF - IAH
1 stop19h 01mMultiple Airlines
Deal found 12/21$561
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2612:50 pmIAH - SDF
2 stops10h 09mSpirit Airlines
Wed 12/315:05 amSDF - IAH
1 stop17h 49mSpirit Airlines
Deal found 12/22$565
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/307:45 pmIAH - SDF
2 stops27h 14mMultiple Airlines
Fri 1/23:02 pmSDF - IAH
1 stop19h 01mMultiple Airlines
Deal found 12/21$615
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 12/257:20 amIAH - SDF
2 stops14h 10mUnited Airlines
Wed 12/319:05 amSDF - IAH
1 stop24h 45mUnited Airlines
Deal found 12/21$617
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2610:08 amIAH - SDF
1 stop12h 51mMultiple Airlines
Fri 1/25:05 amSDF - IAH
2 stops28h 30mMultiple Airlines
Deal found 12/22$633

Find flight deals from George Bush Intcntl to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Louisville (SDF). 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 December 23, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$166
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

August

Cheapest in

July

Average price

$648

Good round-trip deal

$349 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Louisville Intl flights.
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From Houston George Bush Intcntl to Louisville Intl
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One-way flight from Houston George Bush Intcntl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Louisville 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 December 23, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Louisville that are best for you.

Fly from

George Bush Intcntl

Fly to

Louisville

Route

Depart

Return

Price

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 1/29

5:46 am-2:41 pm

1 stop7h 55m

Louisville Intl

Tue 2/3

3:36 pm-11:11 am

2 stops20h 35m

$202

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 1/23

7:45 am-6:04 pm

1 stop9h 19m

Louisville Intl

Sun 1/25

3:36 pm-8:40 am

1 stop18h 04m

$206

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Sun 2/1

7:45 am-2:41 pm

1 stop5h 56m

Louisville Intl

Tue 2/3

3:36 pm-11:58 pm

1 stop9h 22m

$207

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Sun 5/17

7:35 am-2:38 pm

1 stop6h 03m

Louisville Intl

Tue 5/26

3:33 pm-8:45 am

1 stop18h 12m

$282

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Mon 1/12

7:45 am-6:04 pm

1 stop9h 19m

Louisville Intl

Wed 1/14

1:55 pm-6:58 pm

1 stop30h 03m

$304

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 2/24

4:35 pm-7:51 pm

Nonstop2h 16m

Louisville Intl

Wed 2/25

3:30 pm-5:09 pm

Nonstop2h 39m

$309

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 4/23

7:35 am-2:38 pm

1 stop6h 03m

Louisville Intl

Sun 4/26

3:33 pm-11:59 pm

1 stop9h 26m

$309

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 1/29

10:00 am-1:14 pm

Nonstop2h 14m

Louisville Intl

Tue 2/3

6:00 am-7:48 am

Nonstop2h 48m

$319

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Mon 1/19

6:40 pm-9:59 pm

Nonstop2h 19m

Louisville Intl

Mon 1/26

6:00 am-7:48 am

Nonstop2h 48m

$329

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 2/27

9:16 am-11:05 am

3 stops24h 49m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 18 results
1
2

Compare providers for flights from George Bush Intcntl to Louisville

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 George Bush Intcntl to Louisville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 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 Houston George Bush Intcntl Airport-Louisville flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Houston George Bush Intcntl Airport-Louisville flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Louisville flights, Cheapflights users trust Mytrip the most. Mytrip 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 Houston George Bush Intcntl Airport-Louisville 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 George Bush Intcntl to Louisville

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

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

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Louisville (average of $96). Flying from Houston George Bush Intcntl Airport to Louisville in March is currently the most expensive (average of $241). 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 IAH to SDF?

Find hourly flight availability from George Bush Intcntl to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Louisville at noon. Doing so could potentially save you 65% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated December 23, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to Louisville 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.
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

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
9,106 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

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
11,054 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

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
8,196 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

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 George Bush Intcntl to Louisville. 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 into for flights to Louisville from Houston George Bush Intcntl?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Louisville. 4 airlines have flights to Louisville Intl from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Louisville Intl should not be difficult; the airport handles an average of 8 inbound flights from Houston George Bush Intcntl per day.

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

    For as low as $202, Spirit Airlines can have you in Louisville from Houston George Bush Intcntl Airport in 7h 55m. Airlines will cover a distance of 787 mi.

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

    Cheapflights users have booked flights from Houston George Bush Intcntl Airport to Louisville round-trip from $169. Other airlines that can offer you cheap pricing are American Airlines, from $200, and Spirit Airlines, from $206. Delta is 63% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $79 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $125 and $143, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston George Bush Intcntl Airport to Louisville on time: ANA (88%), Copa Airlines (85%), Air New Zealand (84%).

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

    Looking at all options, your cheapest flight can be booked for $324. While the most popular route (Houston George Bush Intcntl - Louisville Intl) can be booked for $154 on average, our data indicates $422 when flying from Houston George Bush Intcntl Airport to Louisville.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Louisville (average of $96). Flying from Houston George Bush Intcntl Airport to Louisville in March is currently the most expensive (average of $241). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top 4 airlines flying from George Bush Intcntl to Louisville

Discover the top 4 airlines that operate flights from George Bush Intcntl to Louisville. 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$333FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$200Average$425FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$206Average$239FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$267Average$444FlexibilityNo cancel feeOn-time69%

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