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$66+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — 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 to Louisville Intl are usually found in August or January, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 May 1, 2025.

Round-trip from

$131
(Mytrip)

One-way from

$66
(Mytrip)

Popular in

February

Cheapest in

August

Average price

$372
From Houston to Louisville Intl
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One-way flight from Houston to Louisville Intl
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 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
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:43 pmHOU - SDF
1 stop4h 13mDelta
Tue 9/236:00 amSDF - HOU
1 stop7h 12mDelta
Deal found 4/30$251
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/21:15 pmHOU - SDF
Nonstop2h 10mSouthwest
Thu 6/52:00 pmSDF - HOU
Nonstop2h 25mSouthwest
Deal found 4/30$261
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:29 pmHOU - SDF
1 stop7h 15mAmerican Airlines
Sat 7/126:19 pmSDF - HOU
1 stop6h 30mAmerican Airlines
Deal found 4/30$292
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.
Mon 6/22:33 pmHOU - SDF
2 stops23h 05mMultiple Airlines
Thu 6/511:23 amSDF - HOU
2 stops31h 48mMultiple Airlines
Deal found 4/30$345
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.
Fri 6/278:30 amHOU - SDF
2 stops9h 59mAllegiant Air
Sun 6/293:14 pmSDF - HOU
2 stops17h 41mAllegiant Air
Deal found 4/30$384

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 May 1, 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

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

HOU - SDF

HOUSDF

Houston Hobby

Mon 6/2

1:15 pm-4:25 pm

Nonstop2h 10m

Louisville Intl

Thu 6/5

2:00 pm-3:25 pm

Nonstop2h 25m

$261

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Tue 7/8

2:29 pm-10:44 pm

1 stop7h 15m

Louisville Intl

Sat 7/12

6:19 pm-11:49 pm

1 stop6h 30m

$292

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

HOU - SDF

HOUSDF

Houston Hobby

Sat 5/17

1:02 pm-6:59 pm

1 stop4h 57m

Louisville Intl

Wed 5/21

6:00 am-9:33 am

1 stop4h 33m

$344

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Mon 6/2

2:33 pm-2:38 pm

2 stops23h 05m

Louisville Intl

Thu 6/5

11:23 am-6:11 pm

2 stops31h 48m

$345

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Fri 6/27

8:30 am-7:29 pm

2 stops9h 59m

Louisville Intl

Sun 6/29

3:14 pm-7:55 am

2 stops17h 41m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 22 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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Houston to Louisville, you should look to book at least 65 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, January is the cheapest month in which you can book a flight from Houston to Louisville (average of $299). Flying from Houston 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 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 May 1, 2025.

One of the essential ways to save on airfare from Houston to Louisville is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.

What is the cheapest day to fly from Houston to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Houston to Louisville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Louisville flight should consider departing on Friday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Qatar Airways
7.4
Good
3,563 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

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

    Currently priced at $131, Spirit Airlines will fly you from Houston to Louisville and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $231 and $251, respectively. Users have found that Spirit Airlines is 64% 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 $66. Users have also found prices from $116 and $116 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 $124. While the most popular route (Houston Hobby - Louisville Intl) can be booked for $185 on average our data indicates $388 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, January is the cheapest month in which you can book a flight from Houston to Louisville (average of $299). Flying from Houston 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?

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

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Alternative routes for Houston to Louisville

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$140Average$253FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$259Average$338FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$281Average$368FlexibilityNo cancel feeOn-time63%

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