Louisville

$79+ Cheap flights from Houston 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SDF
Jul 27 — Aug 31
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Find cheap flights from Houston to Louisville with Cheapflights

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Cheapflights Tip: The best prices from Houston to Louisville Intl are usually found in February or August, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Houston to Louisville

Cheapest flights from Houston to Louisville
Explore the most affordable flight options available from Houston to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:16 am
IAH
-
SDF
1 stop11h 04m
Multiple Airlines
Sun 8/99:24 pm
SDF
-
IAH
1 stop12h 21m
Multiple Airlines
Deal found 6/24$234
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/144:35 pm
IAH
-
SDF
Nonstop2h 26m
United Airlines
Wed 7/156:15 am
SDF
-
IAH
Nonstop2h 27m
United Airlines
Deal found 6/23$253
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:30 pm
HOU
-
SDF
Nonstop2h 15m
Southwest
Wed 7/156:05 am
SDF
-
HOU
Nonstop2h 25m
Southwest
Deal found 6/22$253
This Southwest deal was found by Cheapflights users on 6/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:35 am
HOU
-
SDF
1 stop3h 40m
Southwest
Sat 12/1212:15 pm
SDF
-
HOU
Nonstop2h 25m
Southwest
Deal found 6/26$259
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/16:49 pm
IAH
-
SDF
Nonstop2h 26m
United Airlines
Thu 8/207:25 am
SDF
-
IAH
Nonstop2h 25m
United Airlines
Deal found 6/22$261
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:53 am
IAH
-
SDF
2 stops20h 43m
Multiple Airlines
Fri 8/79:10 pm
SDF
-
IAH
1 stop18h 55m
Multiple Airlines
Deal found 6/24$262
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Sat 9/192:08 pm
IAH
-
SDF
1 stop6h 23m
American Airlines
Tue 9/224:19 pm
SDF
-
IAH
1 stop7h 11m
American Airlines
Deal found 6/26$267
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:25 pm
HOU
-
SDF
Nonstop2h 15m
Southwest
Wed 8/1210:50 am
SDF
-
HOU
1 stop3h 50m
Southwest
Deal found 6/22$267
This Southwest deal was found by Cheapflights users on 6/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:25 pm
HOU
-
SDF
Nonstop2h 15m
Southwest
Thu 8/131:45 pm
SDF
-
HOU
Nonstop2h 20m
Southwest
Deal found 6/23$269
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/1410:39 am
IAH
-
SDF
1 stop7h 19m
American Airlines
Wed 7/155:04 am
SDF
-
IAH
1 stop5h 21m
American Airlines
Deal found 6/23$273
This Delta deal was found by Cheapflights users on 6/23. 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 9/196:00 am
HOU
-
SDF
1 stop5h 25m
Delta
Tue 9/226:00 pm
SDF
-
HOU
1 stop5h 40m
Delta
Deal found 6/23$273
This American Airlines deal was found by Cheapflights users on 6/22. 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 7/295:02 am
IAH
-
SDF
1 stop4h 37m
American Airlines
Thu 8/67:03 am
SDF
-
IAH
1 stop4h 37m
American Airlines
Deal found 6/22$281

Find flight deals from Houston to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 June 27, 2026.

Round-trip from

$234
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$459
From Houston to Louisville Intl
One-way flight from Houston to Louisville Intl
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 June 27, 2026.
Use the filters below to find and compare flights from Houston to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Sat 8/1

8:30 am-11:54 am

Nonstop2h 24m

Louisville Intl

Sat 8/8

6:15 am-7:42 am

Nonstop2h 27m

$253
Quickest round-trip

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Tue 7/14

1:30 pm-4:45 pm

Nonstop2h 15m

Louisville Intl

Wed 7/15

6:05 am-7:30 am

Nonstop2h 25m

$253

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Wed 8/12

3:20 pm-10:30 pm

1 stop6h 10m

Louisville Intl

Wed 8/19

10:50 am-1:40 pm

1 stop3h 50m

$264

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Mon 8/10

12:25 pm-3:40 pm

Nonstop2h 15m

Louisville Intl

Wed 8/12

10:50 am-1:40 pm

1 stop3h 50m

$267

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 11/26

1:15 pm-8:51 pm

1 stop6h 36m

Louisville Intl

Wed 12/16

12:53 pm-6:59 pm

1 stop7h 06m

$281

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Tue 8/4

11:20 am-8:35 pm

2 stops8h 15m

Louisville Intl

Tue 8/11

12:10 pm-7:40 pm

2 stops8h 30m

$283

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Thu 8/6

1:30 pm-6:30 pm

1 stop4h 00m

Louisville Intl

Thu 8/13

3:20 pm-7:55 pm

2 stops5h 35m

$294

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Fri 8/7

6:00 am-1:05 pm

2 stops6h 05m

Louisville Intl

Sat 8/8

12:40 pm-1:55 pm

Nonstop2h 15m

$331

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 9/1

9:45 am-1:07 pm

Nonstop2h 22m

Louisville Intl

Wed 9/2

3:35 pm-5:10 pm

Nonstop2h 35m

$333

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 8/11

6:50 pm-10:15 pm

Nonstop2h 25m

Louisville Intl

Wed 8/12

9:45 am-11:10 am

Nonstop2h 25m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Houston to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Houston 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 to Louisville

What is the cheapest month to book a flight from Houston to Louisville?

Currently, April is the cheapest month in which you can book a flight from Houston to Louisville (average of $104). Flying from Houston to Louisville in June is currently the most expensive (average of $327). 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 HOU to SDF?

Find hourly flight availability from Houston 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 June 27, 2026.

When flying from Houston to Louisville, 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 Houston to Louisville?

How far ahead should I book a flight from Houston to Louisville?

To ensure you get the cheapest price possible for a flight from Houston to Louisville, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 27, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Houston to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    Most people fly into Louisville Intl (SDF) if they book a flight to Louisville from Houston. On average, Louisville Intl has 0 inbound flights from Houston 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 Houston to Louisville?

    Departing from Houston to Louisville will take you 2h 15m. There are 802 mi between Houston and Louisville. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Louisville round-trip?

    Currently priced at $200, American Airlines will fly you from Houston to Louisville and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and United Airlines - these airlines can fly you to your destination from $229 and $296, respectively. Users have found that American Airlines is 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston to Louisville one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $124. Users have also found prices from $128 and $146 on United Airlines and Southwest, respectively.

  • What are the cheapest flights from Houston to Louisville?

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Houston Hobby - Louisville Intl) can be booked for $259 on average, our data indicates $287 when flying from Houston to Louisville.

  • Can I find deals for flights from Houston to Louisville that include hotel bookings?

    Yes. In addition to deals on Houston to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Louisville.

  • Can I find deals for business class flights from Houston to Louisville?

    Yes. Cheapflights offers flight deals from Houston 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 to Louisville?

    Currently, April is the cheapest month in which you can book a flight from Houston to Louisville (average of $104). Flying from Houston to Louisville in June is currently the most expensive (average of $327). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Houston to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Houston to Louisville

Discover the top 3 airlines that operate flights from Houston 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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$200Average$384FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$229Average$351FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$534FlexibilityNo cancel feeOn-time69%

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