HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$76+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SDF
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$166
(Kiwi.com)

One-way from

$76
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$490

Good round-trip deal

$341 or less

Good one-way deal

$181 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Louisville Intl flights.
Search Deals
From Houston George Bush Intcntl to Louisville Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Louisville Intl.
Search Deals

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 April 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/410:06 amIAH - SDF
Nonstop2h 13mSpirit Airlines
Tue 5/65:05 amSDF - IAH
1 stop10h 56mSpirit Airlines
Deal found 4/13$166
This Mytrip deal was found by Cheapflights users on 4/14. 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 4/306:10 pmIAH - SDF
1 stop25h 18mMultiple Airlines
Mon 5/56:12 pmSDF - IAH
2 stops21h 49mMultiple Airlines
Deal found 4/14$226
This Delta deal was found by Cheapflights users on 4/14. 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.
Sat 5/179:40 amIAH - SDF
1 stop3h 56mDelta
Wed 5/2110:52 amSDF - IAH
1 stop5h 31mDelta
Deal found 4/14$280
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/166:15 pmIAH - SDF
Nonstop2h 25mUnited Airlines
Mon 5/196:07 pmSDF - IAH
1 stop7h 44mUnited Airlines
Deal found 4/14$285
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 5/275:00 amIAH - SDF
1 stop4h 25mAmerican Airlines
Sun 6/15:17 pmSDF - IAH
1 stop7h 05mAmerican Airlines
Deal found 4/14$295

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 April 15, 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

Sun 5/4

10:06 am-1:19 pm

Nonstop2h 13m

Louisville Intl

Tue 5/6

5:05 am-3:01 pm

1 stop10h 56m

$166

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Wed 4/30

6:10 pm-8:28 pm

1 stop25h 18m

Louisville Intl

Mon 5/5

6:12 pm-3:01 pm

2 stops21h 49m

$226

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Sat 5/17

9:40 am-2:36 pm

1 stop3h 56m

Louisville Intl

Wed 5/21

10:52 am-3:23 pm

1 stop5h 31m

$280

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 5/16

6:15 pm-9:40 pm

Nonstop2h 25m

Louisville Intl

Mon 5/19

6:07 pm-12:51 am

1 stop7h 44m

$285

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 5/27

5:00 am-10:25 am

1 stop4h 25m

Louisville Intl

Sun 6/1

5:17 pm-11:22 pm

1 stop7h 05m

$295

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 5/6

12:03 pm-1:12 pm

1 stop24h 09m

$76

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Sun 5/18

5:53 pm-2:25 pm

1 stop19h 32m

$84

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 7/1

4:40 pm-8:06 pm

Nonstop2h 26m

$116

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Wed 5/21

6:00 am-11:55 am

1 stop4h 55m

$126

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 7/4

6:06 am-2:04 pm

2 stops6h 58m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.
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
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 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 11, 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 April 15, 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.

Weekly flight availability from Houston George Bush Intcntl Airport to Louisville

Explore weekly flight availability from George Bush Intcntl to Louisville. 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 April 15, 2025.

The most flights from IAH to SDF are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

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 April 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Houston to Louisville by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,918 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
8,658 reviews
Delta
8.0
Very good
7,918 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,918 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,921 reviews
Delta
8.0
Very good
7,918 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 7 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 $166. Other airlines that can offer you cheap pricing are Delta, from $280, and United Airlines, from $285. Spirit Airlines is 60% 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?

    $76 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 (92%), United Airlines (85%), Mesa Airlines (85%).

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

    Looking at all options, your cheapest flight can be booked for $125. While the most popular route (Houston George Bush Intcntl - Louisville Intl) can be booked for $175 on average our data indicates $298 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$190Average$237FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$247Average$423FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$359FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.