HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$79+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SDF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Austin Bergstrom to Louisville Intl are usually found in August or February, booked 10 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 September 11, 2025.

Round-trip from

$144
(Cheapflightsfares)

One-way from

$79
(Cheapflightsfares)

Popular in

January

Cheapest in

August

Average price

$418
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. 2% potential increase in price ($12 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 September 2025
Search Deals

Find 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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Wed 10/87:20 amAUS - SDF
1 stop8h 16mSpirit Airlines
Fri 10/1011:47 amSDF - AUS
1 stop6h 12mSpirit Airlines
Deal found 9/10$144
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Wed 10/227:20 amAUS - SDF
1 stop8h 16mSpirit Airlines
Fri 10/2411:47 amSDF - AUS
1 stop6h 12mSpirit Airlines
Deal found 9/10$158
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:20 amAUS - SDF
1 stop9h 43mSpirit Airlines
Mon 10/2711:47 amSDF - AUS
1 stop6h 12mSpirit Airlines
Deal found 9/11$171
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:50 amAUS - SDF
1 stop6h 10mSouthwest
Wed 10/151:45 pmSDF - AUS
1 stop4h 35mSouthwest
Deal found 9/11$184
This Southwest deal was found by Cheapflights users on 9/10. 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.
Tue 11/119:20 amAUS - SDF
1 stop4h 25mSouthwest
Tue 11/1811:45 amSDF - AUS
2 stops6h 40mSouthwest
Deal found 9/10$189
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:56 amAUS - SDF
1 stop11h 51mSpirit Airlines
Fri 10/2411:47 amSDF - AUS
1 stop6h 12mSpirit Airlines
Deal found 9/11$197
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:20 amAUS - SDF
1 stop8h 16mSpirit Airlines
Mon 10/2011:47 amSDF - AUS
1 stop6h 12mSpirit Airlines
Deal found 9/11$209
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:30 pmAUS - SDF
1 stop15h 31mMultiple Airlines
Sun 10/267:15 amSDF - AUS
1 stop26h 36mMultiple Airlines
Deal found 9/10$211

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 September 11, 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

Wed 10/8

5:50 am-1:00 pm

1 stop6h 10m

Louisville Intl

Wed 10/15

3:50 pm-11:45 pm

1 stop8h 55m

$184

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Tue 11/11

2:35 pm-9:30 pm

1 stop5h 55m

Louisville Intl

Tue 11/18

6:05 am-1:45 pm

1 stop8h 40m

$184

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Fri 10/17

9:56 am-10:47 pm

1 stop11h 51m

Louisville Intl

Fri 10/24

11:47 am-4:59 pm

1 stop6h 12m

$197

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Fri 10/24

3:01 pm-10:47 pm

1 stop6h 46m

Louisville Intl

Sun 10/26

7:15 am-8:51 am

1 stop26h 36m

$213

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Mon 10/13

4:20 pm-12:10 am

1 stop6h 50m

Louisville Intl

Wed 10/15

1:45 pm-6:45 pm

1 stop6h 00m

$228

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Fri 10/17

6:02 pm-8:35 am

2 stops13h 33m

Louisville Intl

Mon 10/20

6:43 pm-9:45 pm

1 stop28h 02m

$234

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Tue 10/21

3:45 pm-11:35 pm

1 stop6h 50m

Louisville Intl

Fri 10/24

8:10 pm-11:15 pm

1 stop4h 05m

$236

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Mon 11/24

5:40 am-2:04 pm

1 stop7h 24m

Louisville Intl

Thu 11/27

6:00 am-9:54 am

1 stop4h 54m

$237

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Wed 10/22

7:20 am-4:36 pm

1 stop8h 16m

$79

AustinLouisville

AUS - SDF

AUSSDF

Austin Bergstrom

Wed 12/3

2:35 pm-9:30 pm

1 stop5h 55m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 18 results
1
2

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Austin to Louisville, you should look to book at least 10 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, January is the cheapest month in which you can book a flight from Austin to Louisville (average of $299). Flying from Austin 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 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 September 11, 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 afternoon, which can drop the price by up to 64% 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 September 11, 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
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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 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 Southwest and Spirit Airlines fly from Austin to Louisville in about 6h 10m. The time it takes to get you to your destination can typically vary by up to 5h 41m. Airlines will cover a distance of 875 mi. This flight may include one or multiple stops.

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

    According to our current data, Delta ($236), American Airlines ($287), and Southwest ($306) offers the cheapest pricing from Austin to Louisville. Delta is currently priced 39% below the average price you’ll pay for this route.

  • 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, January is the cheapest month in which you can book a flight from Austin to Louisville (average of $299). Flying from Austin 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 Louisville?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Nashville flights
Dallas/Fort Worth to Nashville flights
George Bush Intcntl to Nashville flights
Dallas/Fort Worth to Cincinnati flights
Dallas/Fort Worth to Knoxville flights
Hobby to Cincinnati flights
Dallas/Fort Worth to Louisville flights
Love Field to Nashville flights
George Bush Intcntl to Knoxville flights
George Bush Intcntl to Cincinnati flights
Austin to Nashville flights
Hobby to Knoxville flights
Austin to Cincinnati flights
Hobby to Louisville flights
San Antonio to Nashville flights
Love Field to Louisville flights
George Bush Intcntl to Louisville flights
Dallas/Fort Worth to Lexington flights
Love Field to Cincinnati flights
Austin to Lexington flights
Hobby to Lexington flights
Austin to Knoxville flights
George Bush Intcntl to Lexington flights
Love Field to Knoxville flights
San Antonio to Louisville flights
El Paso to Nashville flights
San Antonio to Cincinnati flights
Hobby to Blountville flights
Dallas/Fort Worth to Evansville flights
Dallas/Fort Worth to Blountville flights
George Bush Intcntl to Blountville flights
San Antonio to Lexington flights
San Antonio to Knoxville flights
El Paso to Cincinnati flights
Amarillo to Knoxville flights
Corpus Christi to Nashville flights
McAllen to Cincinnati flights
Corpus Christi to Knoxville flights
McAllen to Nashville flights
El Paso to Knoxville flights
Austin to Blountville flights
McAllen to Louisville flights
Love Field to Lexington flights
Corpus Christi to Cincinnati flights
El Paso to Lexington flights
El Paso to Louisville flights
Harlingen to Nashville flights
Midland to Knoxville flights
Lubbock to Nashville flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$369FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$433FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$356Average$498FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.