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George Bush Intcntl

$66+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAH
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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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 May, booked 31 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Mytrip)

One-way from

$66
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$413

Good round-trip deal

$392 or less

Good one-way deal

$274 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
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Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Louisville Intl to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Louisville Intl to Houston George Bush Intcntl.
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Find 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 March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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.
Tue 4/16:00 amSDF - IAH
2 stops32h 07mSpirit Airlines
Tue 4/88:55 amIAH - SDF
1 stop13h 03mSpirit Airlines
Deal found 3/25$275
This Delta deal was found by Cheapflights users on 3/24. 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 4/211:18 pmSDF - IAH
1 stop6h 13mDelta
Wed 4/235:30 amIAH - SDF
1 stop4h 53mDelta
Deal found 3/24$281
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/227:00 amSDF - IAH
1 stop6h 15mUnited Airlines
Sat 5/316:25 pmIAH - SDF
Nonstop2h 27mUnited Airlines
Deal found 3/24$295
This American Airlines deal was found by Cheapflights users on 3/24. 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 5/296:30 pmSDF - IAH
1 stop5h 14mAmerican Airlines
Sun 6/16:29 pmIAH - SDF
1 stop4h 54mAmerican Airlines
Deal found 3/24$305
This Mytrip deal was found by Cheapflights users on 3/25. 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 4/249:18 pmSDF - IAH
2 stops23h 17mMultiple Airlines
Sat 4/267:47 pmIAH - SDF
3 stops20h 30mMultiple Airlines
Deal found 3/25$355

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 March 26, 2025.
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

Tue 4/1

6:00 am-1:07 pm

2 stops32h 07m

Houston George Bush Intcntl

Tue 4/8

8:55 am-10:58 pm

1 stop13h 03m

$275

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 4/21

1:18 pm-6:31 pm

1 stop6h 13m

Houston George Bush Intcntl

Wed 4/23

5:30 am-11:23 am

1 stop4h 53m

$281

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 5/22

7:00 am-12:15 pm

1 stop6h 15m

Houston George Bush Intcntl

Sat 5/31

6:25 pm-9:52 pm

Nonstop2h 27m

$295

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 5/29

6:30 pm-10:44 pm

1 stop5h 14m

Houston George Bush Intcntl

Sun 6/1

6:29 pm-12:23 am

1 stop4h 54m

$305

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 4/5

2:47 pm-8:00 am

3 stops42h 13m

Houston George Bush Intcntl

Mon 4/7

9:21 pm-11:53 am

2 stops13h 32m

$337

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 5/1

9:04 am-10:35 am

Nonstop2h 31m

$66

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 5/5

6:19 pm-7:56 am

1 stop14h 37m

$106

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 5/8

7:00 am-8:42 am

Nonstop2h 42m

$131

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 5/27

7:05 am-1:39 pm

1 stop7h 34m

$141

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 4/22

12:14 pm-10:01 pm

2 stops10h 47m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice 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 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 March 21, 2025.

The best time to book flights from Louisville to Houston George Bush Intcntl Airport is 31 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, August is the cheapest month in which you can book a flight from Louisville to Houston George Bush Intcntl Airport (average of $241). Flying from Louisville to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 March 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisville to Houston George Bush Intcntl Airport at noon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the afternoon.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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 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 March 26, 2025.
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
7,878 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 8 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.

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

    According to our current data, Spirit Airlines ($275), Delta ($281), and United Airlines ($291) offers the cheapest pricing from Louisville to Houston George Bush Intcntl Airport. Users have found that Spirit Airlines is 29% 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 $66. However, be on the lookout for offers from United Airlines and Delta, 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 Emirates (86%), Copa Airlines (77%) and United Airlines (76%).

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

    Looking at all options, your cheapest flight can be booked for $146. While the most popular route (Louisville Intl - Houston George Bush Intcntl) can be booked for $136 on average our data indicates $877 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, August is the cheapest month in which you can book a flight from Louisville to Houston George Bush Intcntl Airport (average of $241). Flying from Louisville to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$132Average$251FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$264Average$393FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$275Average$389FlexibilityNo cancel feeOn-time69%
DeltaCheapest$283Average$338FlexibilityNo cancel feeOn-timeN/A
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