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$83+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SDF
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 April 11, 2025.

Round-trip from

$167
(Cheapflightsfares)

One-way from

$83
(Mytrip)

Popular in

February

Cheapest in

August

Average price

$378
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. 0% potential increase in price ($2 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 April 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 April 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/10. 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.
Thu 5/110:06 amIAH - SDF
Nonstop2h 13mSpirit Airlines
Thu 5/811:23 amSDF - IAH
1 stop9h 23mSpirit Airlines
Deal found 4/10$167
This Mytrip deal was found by Cheapflights users on 4/9. 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.
Tue 4/294:35 pmIAH - SDF
1 stop28h 42mMultiple Airlines
Mon 5/56:19 pmSDF - IAH
1 stop14h 37mMultiple Airlines
Deal found 4/9$197
This Southwest deal was found by Cheapflights users on 4/10. 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.
Fri 5/21:15 pmHOU - SDF
Nonstop2h 10mSouthwest
Tue 5/65:00 pmSDF - HOU
Nonstop2h 30mSouthwest
Deal found 4/10$260
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Thu 5/86:15 pmIAH - SDF
Nonstop2h 25mUnited Airlines
Thu 5/157:00 amSDF - IAH
Nonstop2h 41mUnited Airlines
Deal found 4/10$261
This Delta deal was found by Cheapflights users on 4/9. 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 5/712:39 pmIAH - SDF
1 stop4h 50mDelta
Thu 5/88:10 pmSDF - IAH
1 stop4h 49mDelta
Deal found 4/9$266
This Delta deal was found by Cheapflights users on 4/11. 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 5/171:02 pmHOU - SDF
1 stop6h 34mDelta
Wed 5/216:00 amSDF - HOU
1 stop4h 33mDelta
Deal found 4/11$280
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Fri 5/236:29 pmIAH - SDF
1 stop4h 56mAmerican Airlines
Mon 5/266:00 amSDF - IAH
1 stop4h 19mAmerican Airlines
Deal found 4/10$310
This Mytrip deal was found by Cheapflights users on 4/10. 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 7/316:35 pmHOU - SDF
1 stop21h 14mMultiple Airlines
Sun 8/311:34 amSDF - HOU
2 stops32h 39mMultiple Airlines
Deal found 4/10$335
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Thu 5/85:00 amHOU - SDF
1 stop4h 25mAmerican Airlines
Thu 5/158:18 pmSDF - HOU
1 stop4h 40mAmerican Airlines
Deal found 4/10$380

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 April 11, 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 5/1

10:06 am-1:19 pm

Nonstop2h 13m

Louisville Intl

Thu 5/8

11:23 am-7:46 pm

1 stop9h 23m

$167

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 4/29

4:35 pm-10:17 pm

1 stop28h 42m

Louisville Intl

Mon 5/5

6:19 pm-7:56 am

1 stop14h 37m

$197

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Fri 5/2

1:15 pm-4:25 pm

Nonstop2h 10m

Louisville Intl

Tue 5/6

5:00 pm-6:30 pm

Nonstop2h 30m

$260

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 5/8

6:15 pm-9:40 pm

Nonstop2h 25m

Louisville Intl

Thu 5/15

7:00 am-8:41 am

Nonstop2h 41m

$261

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Wed 5/7

12:39 pm-6:29 pm

1 stop4h 50m

Louisville Intl

Thu 5/8

8:10 pm-11:59 pm

1 stop4h 49m

$266

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Sat 5/17

1:02 pm-8:36 pm

1 stop6h 34m

Louisville Intl

Wed 5/21

6:00 am-9:33 am

1 stop4h 33m

$280

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 5/23

6:29 pm-12:25 am

1 stop4h 56m

Louisville Intl

Mon 5/26

6:00 am-9:19 am

1 stop4h 19m

$310

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Thu 7/31

6:35 pm-4:49 pm

1 stop21h 14m

Louisville Intl

Sun 8/3

11:34 am-7:13 pm

2 stops32h 39m

$335

HoustonLouisville

HOU - SDF

HOUSDF

Houston Hobby

Thu 5/8

5:00 am-10:25 am

1 stop4h 25m

Louisville Intl

Thu 5/15

8:18 pm-11:58 pm

1 stop4h 40m

$380

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 5/13

5:53 pm-1:12 pm

1 stop18h 19m

$83

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 20 results
1
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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 4, 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 April 11, 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 April 11, 2025.
To help decide which airline to fly from Houston to Louisville, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,911 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,636 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $167, 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 Southwest and United Airlines - these airlines can fly you to your destination from $260 and $261, respectively. Users have found that Spirit Airlines is 55% 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 $83. 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 $125. While the most popular route (Houston Hobby - Louisville Intl) can be booked for $167 on average our data indicates $382 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

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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$140Average$244FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$339FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$414FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$367FlexibilityNo cancel feeOn-time63%

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