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$70+ Cheap flights from Austin to Louisville (AUS - 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SDF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Austin 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

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Cheapflights Tip: The best prices from Austin Bergstrom to Louisville Intl are usually found in February or August, booked 68 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Austin to Louisville

Cheapest flights from Austin to Louisville
Explore the most affordable flight options available from Austin to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:29 pmAUS - SDF
1 stop11h 55mMultiple Airlines
Mon 1/58:53 pmSDF - AUS
1 stop29h 05mMultiple Airlines
Deal found 12/11$207
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:29 pmAUS - SDF
1 stop11h 55mMultiple Airlines
Tue 1/65:05 amSDF - AUS
1 stop20h 53mMultiple Airlines
Deal found 12/11$215
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:30 amAUS - SDF
1 stop28h 01mMultiple Airlines
Mon 1/126:54 pmSDF - AUS
1 stop27h 41mMultiple Airlines
Deal found 12/9$237
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:30 amAUS - SDF
1 stop28h 01mMultiple Airlines
Wed 1/141:55 pmSDF - AUS
1 stop27h 09mMultiple Airlines
Deal found 12/9$239
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:30 amAUS - SDF
1 stop28h 01mMultiple Airlines
Fri 1/161:55 pmSDF - AUS
1 stop27h 09mMultiple Airlines
Deal found 12/9$262
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:30 amAUS - SDF
1 stop28h 01mMultiple Airlines
Tue 1/133:36 pmSDF - AUS
2 stops25h 28mMultiple Airlines
Deal found 12/9$268
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/254:24 pmAUS - SDF
1 stop4h 10mAmerican Airlines
Thu 1/15:49 pmSDF - AUS
1 stop7h 10mAmerican Airlines
Deal found 12/10$269

Find flight deals from Austin to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$153
(Expedia)

One-way from

$70
(Priceline)

Popular in

December

Cheapest in

February

Average price

$493
Provider with most accurate pricing for Austin Bergstrom-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Louisville Intl flights.
Search Deals
From Austin Bergstrom to Louisville Intl
Search Deals
One-way flight from Austin Bergstrom to Louisville Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 December 12, 2025.
Use the filters below to find and compare flights from Austin to Louisville that are best for you.

Fly from

Austin

Fly to

Louisville

Route

Depart

Return

Price

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Sun 1/25

7:25 am-2:41 pm

1 stop6h 16m

Louisville Intl

Sun 2/1

3:36 pm-9:35 pm

1 stop6h 59m

$178

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Fri 1/23

7:25 am-6:04 pm

1 stop9h 39m

Louisville Intl

Tue 1/27

3:36 pm-4:04 pm

2 stops25h 28m

$206

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Tue 12/30

7:29 pm-8:24 am

1 stop11h 55m

Louisville Intl

Mon 1/5

8:53 pm-12:58 am

1 stop29h 05m

$207

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Thu 1/15

4:59 pm-1:00 pm

1 stop19h 01m

Louisville Intl

Mon 1/19

1:55 pm-4:04 pm

1 stop27h 09m

$223

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Wed 2/18

4:59 pm-2:38 pm

2 stops20h 39m

Louisville Intl

Sat 2/21

12:00 pm-8:53 pm

1 stop9h 53m

$234

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Sun 1/25

7:25 am-1:00 pm

2 stops28h 35m

Louisville Intl

Thu 1/29

3:36 pm-10:34 am

1 stop19h 58m

$234

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Thu 12/25

4:24 pm-9:34 pm

1 stop4h 10m

Louisville Intl

Thu 1/1

5:49 pm-11:59 pm

1 stop7h 10m

$269

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Thu 2/12

4:59 pm-12:21 pm

1 stop18h 22m

Louisville Intl

Mon 2/16

1:19 pm-8:53 pm

2 stops32h 34m

$290

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Wed 2/18

3:45 pm-10:13 pm

1 stop5h 28m

Louisville Intl

Sat 2/21

9:00 am-3:50 pm

1 stop7h 50m

$293

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Tue 12/30

7:29 pm-8:24 am

1 stop11h 55m

Louisville Intl

Tue 1/6

5:05 am-9:57 pm

2 stops17h 52m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results
1
2

Compare providers for flights from Austin 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 Austin to Louisville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Austin-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Louisville flights, Cheapflights users trust eDreams the most. eDreams 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 Austin-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 Austin to Louisville

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

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to Louisville. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Austin to Louisville, you should look to book at least 68 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 Austin to Louisville?

Currently, September is the cheapest month in which you can book a flight from Austin to Louisville (average of $56). Flying from Austin to Louisville in January is currently the most expensive (average of $163). 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 AUS to SDF?

Find hourly flight availability from Austin 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 December 12, 2025.

When flying from Austin to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 65% versus a flight in the morning.

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 December 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Austin to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Austin to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Austin to Louisville flight route?

    Within the past month, 4 users have taken a look at flights from Austin Bergstrom to Louisville Intl.

  • How long is the flight from Austin to Louisville?

    Airlines like Spirit Airlines fly from Austin to Louisville in about 6h 16m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 875 mi.

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

    According to our current data, Delta ($199), American Airlines ($264), and Southwest ($268) offers the cheapest pricing from Austin to Louisville. Delta is currently priced 49% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Austin to Louisville are Spirit Airlines ($75), Southwest ($118), and Delta ($118).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Louisville?

    Currently, September is the cheapest month in which you can book a flight from Austin to Louisville (average of $56). Flying from Austin to Louisville in January is currently the most expensive (average of $163). 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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Top 4 airlines flying from Austin to Louisville

Discover the top 4 airlines that operate flights from Austin 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$341FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$268Average$432FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$277Average$415FlexibilityNo cancel feeOn-time69%

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