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George Bush Intcntl

$68+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Houston George Bush Intcntl are usually found in August or September, booked 66 days in advance, depart on a Thursday or Friday and return on a Friday

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 June 12, 2025.

Round-trip from

$157
(United Airlines)

One-way from

$68
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$508

Good round-trip deal

$403 or less

Good one-way deal

$194 or less
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. 5% potential increase in price ($24 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 10/289:32 amSDF - IAH
Nonstop2h 36mUnited Airlines
Thu 10/306:15 pmIAH - SDF
Nonstop2h 15mUnited Airlines
Deal found 6/10$157
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 11/126:24 pmSDF - IAH
1 stop4h 35mAmerican Airlines
Tue 11/188:00 amIAH - SDF
1 stop4h 12mAmerican Airlines
Deal found 6/11$177
This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/261:18 pmSDF - IAH
1 stop6h 24mSpirit Airlines
Mon 6/306:10 amIAH - SDF
1 stop5h 21mSpirit Airlines
Deal found 6/11$180
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sat 7/55:34 pmSDF - IAH
1 stop5h 42mMultiple Airlines
Tue 7/151:08 pmIAH - SDF
1 stop24h 47mMultiple Airlines
Deal found 6/10$199
This Delta deal was found by Cheapflights users on 6/11. 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 11/175:45 pmSDF - IAH
1 stop7h 11mDelta
Mon 3/26:00 amIAH - SDF
1 stop4h 37mDelta
Deal found 6/11$278

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 June 12, 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 10/28

9:32 am-11:08 am

Nonstop2h 36m

Houston George Bush Intcntl

Thu 10/30

6:15 pm-9:30 pm

Nonstop2h 15m

$157

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 11/12

6:24 pm-9:59 pm

1 stop4h 35m

Houston George Bush Intcntl

Tue 11/18

8:00 am-1:12 pm

1 stop4h 12m

$177

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 6/26

1:18 pm-6:42 pm

1 stop6h 24m

Houston George Bush Intcntl

Mon 6/30

6:10 am-12:31 pm

1 stop5h 21m

$180

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Sat 7/5

5:34 pm-10:16 pm

1 stop5h 42m

Houston George Bush Intcntl

Tue 7/15

1:08 pm-2:55 pm

1 stop24h 47m

$199

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 11/17

5:45 pm-11:56 pm

1 stop7h 11m

Houston George Bush Intcntl

Mon 3/2

6:00 am-11:37 am

1 stop4h 37m

$278

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Mon 9/22

12:00 pm-10:04 pm

1 stop11h 04m

$68

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 10/1

9:40 am-11:12 am

Nonstop2h 32m

$79

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Tue 10/21

8:56 am-4:17 pm

1 stop8h 21m

$88

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Thu 10/23

6:00 am-12:19 pm

1 stop7h 19m

$109

LouisvilleHouston

SDF - IAH

SDFIAH

Louisville Intl

Wed 7/30

9:46 am-8:52 am

1 stop24h 06m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 2025.

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, 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 June 12, 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 52% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Louisville to Houston George Bush Intcntl Airport

Explore weekly flight availability from Louisville to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from SDF to IAH are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Louisville to Houston have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 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, United Airlines ($157), American Airlines ($177), and Spirit Airlines ($180) offers the cheapest pricing from Louisville to Houston George Bush Intcntl Airport. Users have found that United Airlines is 61% 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 $68. However, be on the lookout for offers from United Airlines and American 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 American Airlines (100%), Envoy Air (100%) and Spirit Airlines (100%).

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

    Looking at all options, your cheapest flight can be booked for $130. While the most popular route (Louisville Intl - Houston George Bush Intcntl) can be booked for $157 on average our data indicates $1,347 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.

See more FAQs

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$103Average$262FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$272Average$436FlexibilityNo cancel feeOn-time71%
DeltaCheapest$283Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$389FlexibilityNo cancel feeOn-time69%

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