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$66+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SDF
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Louisville Intl are usually found in July or August, booked 54 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap 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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$131
(Mytrip)

One-way from

$66
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$440

Good round-trip deal

$388 or less

Good one-way deal

$243 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
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Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Louisville Intl.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Louisville Intl.
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Find 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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 5/225:53 pmIAH - SDF
1 stop18h 19mSpirit Airlines
Mon 5/262:07 pmSDF - IAH
1 stop18h 40mSpirit Airlines
Deal found 4/30$131
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/286:50 amIAH - SDF
1 stop24h 44mMultiple Airlines
Wed 6/42:07 pmSDF - IAH
1 stop18h 40mMultiple Airlines
Deal found 4/30$195
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/2810:41 amIAH - SDF
Nonstop2h 30mUnited Airlines
Wed 6/43:38 pmSDF - IAH
Nonstop2h 32mUnited Airlines
Deal found 4/30$231
This Delta deal was found by Cheapflights users on 5/1. 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 5/2811:45 amIAH - SDF
1 stop4h 25mDelta
Wed 6/410:49 amSDF - IAH
1 stop6h 22mDelta
Deal found 5/1$251

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 May 1, 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 5/22

5:53 pm-1:12 pm

1 stop18h 19m

Louisville Intl

Mon 5/26

2:07 pm-7:47 am

1 stop18h 40m

$131

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Wed 5/28

6:50 am-8:34 am

1 stop24h 44m

Louisville Intl

Wed 6/4

2:07 pm-7:47 am

1 stop18h 40m

$195

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Wed 5/28

10:41 am-2:11 pm

Nonstop2h 30m

Louisville Intl

Wed 6/4

3:38 pm-5:10 pm

Nonstop2h 32m

$231

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Wed 5/28

11:45 am-5:10 pm

1 stop4h 25m

Louisville Intl

Wed 6/4

10:49 am-4:11 pm

1 stop6h 22m

$251

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 5/29

5:39 pm-12:18 am

1 stop5h 39m

Louisville Intl

Sun 6/1

6:00 am-9:19 am

1 stop4h 19m

$310

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 6/3

5:53 pm-1:12 pm

1 stop18h 19m

$66

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 6/24

7:15 pm-2:30 pm

1 stop18h 15m

$82

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 6/3

10:41 am-2:11 pm

Nonstop2h 30m

$116

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 7/1

1:11 pm-7:00 pm

1 stop4h 49m

$126

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 5/22

5:00 am-10:25 am

1 stop4h 25m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Louisville. Price data was last updated on April 25, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Louisville is 54 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 Houston George Bush Intcntl Airport to Louisville?

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Louisville (average of $299). Flying from Houston George Bush Intcntl Airport to Louisville in April is currently the most expensive (average of $369). 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 May 1, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Louisville at noon. Doing so could potentially save you 23% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
Qatar Airways
7.4
Good
3,563 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
7,934 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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
7,963 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

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 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 3 inbound flights from Houston George Bush Intcntl per day.

  • 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 $131. Other airlines that can offer you cheap pricing are United Airlines, from $231, and Delta, from $251. Spirit Airlines is 68% 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?

    $66 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 United Airlines and Delta, with prices starting from $116 and $126, 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 (86%), Air New Zealand (81%), United Airlines (81%).

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

    Looking at all options, your cheapest flight can be booked for $181. While the most popular route (Houston George Bush Intcntl - Louisville Intl) can be booked for $174 on average our data indicates $454 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Louisville (average of $299). Flying from Houston George Bush Intcntl Airport to Louisville in April is currently the most expensive (average of $369). 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
Jeffersonville
Corydon
Elizabethtown
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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$190Average$237FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$423FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$358FlexibilityNo cancel feeOn-time71%

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