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$70+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SDF
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Louisville Intl are usually found in August or January, booked 25 days in advance, depart on a Friday or Monday and return on a Sunday

Find 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 octubre 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
jue. 12/47:25 pmIAH - SDF
1 stop14h 06mMultiple Airlines
lun. 12/811:55 amSDF - IAH
1 stop22h 23mMultiple Airlines
Deal found 10/29$194
This Mytrip deal was found by Cheapflights users on 10/27. 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.
dom. 11/95:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
lun. 11/107:11 pmSDF - IAH
1 stop6h 07mSpirit Airlines
Deal found 10/27$204
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
jue. 11/134:11 pmIAH - SDF
1 stop25h 05mMultiple Airlines
lun. 11/248:14 pmSDF - IAH
1 stop11h 41mMultiple Airlines
Deal found 10/28$207
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 11/195:27 pmIAH - SDF
1 stop23h 26mMultiple Airlines
lun. 11/248:14 pmSDF - IAH
1 stop11h 41mMultiple Airlines
Deal found 10/28$216
This Mytrip deal was found by Cheapflights users on 10/29. 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.
jue. 12/47:25 pmIAH - SDF
1 stop14h 35mSpirit Airlines
lun. 12/811:55 amSDF - IAH
1 stop6h 48mSpirit Airlines
Deal found 10/29$217
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
jue. 11/134:11 pmIAH - SDF
1 stop25h 05mMultiple Airlines
dom. 11/234:46 pmSDF - IAH
1 stop17h 53mMultiple Airlines
Deal found 10/28$218
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/105:34 amIAH - SDF
1 stop11h 42mSpirit Airlines
vie. 11/147:11 pmSDF - IAH
1 stop6h 07mSpirit Airlines
Deal found 10/27$220
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
sáb. 11/155:27 pmIAH - SDF
1 stop23h 49mSpirit Airlines
lun. 11/177:11 pmSDF - IAH
1 stop15h 00mSpirit Airlines
Deal found 10/29$222
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 11/128:47 pmIAH - SDF
2 stops35h 17mMultiple Airlines
vie. 11/147:11 pmSDF - IAH
1 stop6h 07mMultiple Airlines
Deal found 10/28$226
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 11/128:47 pmIAH - SDF
2 stops35h 17mMultiple Airlines
dom. 11/167:11 pmSDF - IAH
1 stop6h 07mMultiple Airlines
Deal found 10/28$227
This Delta deal was found by Cheapflights users on 10/29. 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.
jue. 12/410:39 amHOU - SDF
1 stop5h 37mDelta
lun. 12/86:16 pmSDF - HOU
1 stop5h 32mDelta
Deal found 10/29$291
This Southwest deal was found by Cheapflights users on 10/29. 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.
jue. 12/412:55 pmHOU - SDF
1 stop7h 35mSouthwest
lun. 12/81:10 pmSDF - HOU
2 stops7h 35mSouthwest
Deal found 10/29$296

Cheap 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 octubre 29, 2025.

Round-trip from

$194
(Kiwi.com)

One-way from

$70
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$366
From Houston to Louisville Intl
Search Deals
One-way flight from Houston to Louisville Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 octubre 29, 2025.
Use the filters below to find and compare flights from Houston to Louisville that are best for you.

Fly from

Houston

Fly to

Louisville

Route

Depart

Return

Price

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

mar. 2/3

7:00 am-11:45 pm

1 stop15h 45m

Louisville Intl

vie. 2/6

6:00 am-8:54 am

1 stop27h 54m

$203

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

jue. 12/4

7:25 pm-10:31 am

1 stop14h 06m

Louisville Intl

lun. 12/8

4:26 pm-8:53 pm

2 stops29h 27m

$213

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

jue. 11/13

4:11 pm-6:16 pm

1 stop25h 05m

Louisville Intl

dom. 11/23

4:46 pm-9:39 am

1 stop17h 53m

$218

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

lun. 11/10

5:34 am-6:16 pm

1 stop11h 42m

Louisville Intl

vie. 11/14

7:11 pm-12:18 am

1 stop6h 07m

$220

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

sáb. 11/15

5:27 pm-6:16 pm

1 stop23h 49m

Louisville Intl

lun. 11/17

7:11 pm-9:11 am

1 stop15h 00m

$222

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

sáb. 11/15

10:28 am-2:15 pm

2 stops26h 47m

Louisville Intl

lun. 11/17

7:11 pm-9:11 am

1 stop15h 00m

$222

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

mié. 11/12

8:03 pm-6:16 pm

3 stops21h 13m

Louisville Intl

vie. 11/14

7:11 pm-12:18 am

1 stop6h 07m

$250

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

mié. 12/24

8:48 am-12:06 pm

Nonstop2h 18m

Louisville Intl

mié. 12/31

6:00 am-7:48 am

Nonstop2h 48m

$271

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

jue. 11/13

5:34 am-6:16 pm

1 stop11h 42m

Louisville Intl

dom. 11/16

7:11 pm-12:18 am

1 stop6h 07m

$276

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

dom. 11/16

11:10 pm-6:16 pm

2 stops18h 06m

Louisville Intl

lun. 11/24

9:23 am-12:41 am

1 stop16h 18m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 35 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Louisville. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Houston to Louisville, you should look to book at least 25 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.

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

Currently, June is the cheapest month in which you can book a flight from Houston to Louisville (average of $89). Flying from Houston to Louisville in December is currently the most expensive (average of $209). 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 octubre 29, 2025.

One of the essential ways to save on airfare from Houston to Louisville is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

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 octubre 29, 2025.
See what other customers who have flown with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,992 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,999 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,114 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 5 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 5h 37m. 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 $169, Delta will fly you from Houston to Louisville and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Southwest - these airlines can fly you to your destination from $178 and $251, respectively. Users have found that Delta is 54% 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 Spirit Airlines. According to our data, you can fly for as low as $103. Users have also found prices from $136 and $136 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 $112. While the most popular route (Houston Hobby - Louisville Intl) can be booked for $204 on average, our data indicates $340 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, June is the cheapest month in which you can book a flight from Houston to Louisville (average of $89). Flying from Houston to Louisville in December is currently the most expensive (average of $209). 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
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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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.
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Top 5 airlines flying from Houston to Louisville

Discover the top 5 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$314FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$178Average$243FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$251Average$348FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$254Average$424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$274Average$377FlexibilityNo cancel feeOn-time71%

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