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George Bush Intcntl

$95+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAH
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
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 October or August, booked 63 days in advance, depart on a Thursday or Friday and return on a Thursday

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 July 11, 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 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 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 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
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.
Sat 9/199:45 am
SDF
-
IAH
Nonstop2h 25m
United Airlines
Tue 9/224:33 pm
IAH
-
SDF
Nonstop2h 22m
United Airlines
Deal found 7/9$227
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.
Fri 10/95:45 pm
SDF
-
IAH
1 stop7h 12m
Delta
Mon 10/124:59 pm
IAH
-
SDF
1 stop4h 36m
Delta
Deal found 7/8$236
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.
Mon 8/103:41 pm
SDF
-
IAH
Nonstop2h 29m
United Airlines
Wed 8/124:37 pm
IAH
-
SDF
Nonstop2h 22m
United Airlines
Deal found 7/8$241
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:30 pm
SDF
-
IAH
1 stop5h 29m
American Airlines
Mon 9/75:00 am
IAH
-
SDF
1 stop4h 39m
American Airlines
Deal found 7/7$250
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.
Thu 12/37:05 am
SDF
-
IAH
Nonstop2h 33m
United Airlines
Sat 12/59:35 am
IAH
-
SDF
1 stop6h 14m
United Airlines
Deal found 7/9$251

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$95
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$379

Good round-trip deal

$461 or less

Good one-way deal

$237 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.
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From Louisville Intl to Houston George Bush Intcntl
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One-way flight from Louisville Intl to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 11, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 9/1

9:45 am-11:10 am

Nonstop2h 25m

Houston George Bush Intcntl

Tue 9/22

6:50 pm-10:15 pm

Nonstop2h 25m

$189

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 - IAH

SDFIAH

Louisville Intl

Sat 9/19

6:00 am-11:36 am

1 stop6h 36m

Houston George Bush Intcntl

Sat 9/26

5:25 pm-11:59 pm

1 stop5h 34m

$209

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 - 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 - IAH

SDFIAH

Louisville Intl

Thu 8/20

9:45 am-11:10 am

Nonstop2h 25m

Houston George Bush Intcntl

Tue 8/25

1:45 pm-8:36 pm

1 stop5h 51m

$279

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 8/22

9:45 am-11:10 am

Nonstop2h 25m

Houston George Bush Intcntl

Tue 8/25

1:45 pm-8:36 pm

1 stop5h 51m

$279

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 8/20

7:10 am-11:46 am

1 stop5h 36m

Houston George Bush Intcntl

Mon 8/24

4:37 pm-7:59 pm

Nonstop2h 22m

$279

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 8/20

5:50 pm-11:52 pm

1 stop7h 02m

Houston George Bush Intcntl

Sun 8/23

5:41 am-12:21 pm

1 stop5h 40m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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?

The best time to book flights from Louisville to Houston George Bush Intcntl Airport is 62 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, October is the cheapest month in which you can book a flight from Louisville to Houston George Bush Intcntl Airport (average of $333). Flying from Louisville to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $674). 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 July 11, 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.

How much does it cost to fly round-trip from Louisville to Houston George Bush Intcntl Airport?

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 July 11, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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
7.8
Good
8,457 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,457 reviews
Delta
7.8
Good
8,457 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,976 reviews
Delta
7.8
Good
8,457 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,806 reviews
Delta
7.8
Good
8,457 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.8

Overall

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 10 outbound flights to Houston George Bush Intcntl per day from 3 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 $189, United Airlines can have you in Houston George Bush Intcntl Airport from Louisville in 2h 25m. 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, American Airlines ($210), Delta ($216), and United Airlines ($269) offers the cheapest pricing from Louisville to Houston George Bush Intcntl Airport. Users have found that American Airlines is 50% cheaper than the other options available to this destination.

  • 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 ANA (80%), Mesa Airlines (74%) and Air New Zealand (73%).

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

    Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Louisville Intl - Houston George Bush Intcntl) can be booked for $189 on average, our data indicates $460 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, October is the cheapest month in which you can book a flight from Louisville to Houston George Bush Intcntl Airport (average of $333). Flying from Louisville to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $674). 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
Katy
Spring
The Woodlands
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery

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Top 3 airlines flying from Louisville to George Bush Intcntl

Discover the top 3 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$383FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$427FlexibilityNo cancel feeOn-time69%

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