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$86+ Cheap flights from Louisville to Austin (SDF - AUS)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — AUS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Louisville to Austin

Cheapest flights from Louisville to Austin
Explore the most affordable flight options available from Louisville to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
Sat 2/1412:00 pm
SDF
-
AUS
1 stop9h 53m
Spirit Airlines
Sun 2/157:15 am
AUS
-
SDF
1 stop6h 23m
Spirit Airlines
Deal found 1/26$123
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:33 pm
SDF
-
AUS
1 stop19h 56m
Multiple Airlines
Thu 3/57:15 am
AUS
-
SDF
1 stop24h 25m
Multiple Airlines
Deal found 1/27$204
This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:19 pm
SDF
-
AUS
1 stop27h 45m
Spirit Airlines
Mon 2/2311:34 am
AUS
-
SDF
1 stop26h 04m
Spirit Airlines
Deal found 1/25$206
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
Tue 2/103:36 pm
SDF
-
AUS
1 stop6h 59m
Spirit Airlines
Thu 2/127:15 am
AUS
-
SDF
1 stop6h 23m
Spirit Airlines
Deal found 1/26$208
This Priceline deal was found by Cheapflights users on 1/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:14 pm
SDF
-
AUS
1 stop9h 54m
Spirit Airlines
Thu 3/197:20 am
AUS
-
SDF
1 stop6h 13m
Spirit Airlines
Deal found 1/25$209
This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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.
Tue 3/103:33 pm
SDF
-
AUS
1 stop6h 20m
Spirit Airlines
Thu 3/127:20 am
AUS
-
SDF
1 stop6h 13m
Spirit Airlines
Deal found 1/25$256
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/153:33 pm
SDF
-
AUS
1 stop6h 20m
Spirit Airlines
Tue 2/177:15 am
AUS
-
SDF
1 stop6h 23m
Spirit Airlines
Deal found 1/27$260
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/103:36 pm
SDF
-
AUS
2 stops25h 28m
Multiple Airlines
Thu 2/127:15 am
AUS
-
SDF
1 stop24h 25m
Multiple Airlines
Deal found 1/26$265
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:33 pm
SDF
-
AUS
1 stop19h 56m
Multiple Airlines
Sun 3/88:36 pm
AUS
-
SDF
1 stop14h 45m
Multiple Airlines
Deal found 1/27$268
This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/153:33 pm
SDF
-
AUS
1 stop6h 20m
Spirit Airlines
Sun 2/224:59 pm
AUS
-
SDF
1 stop18h 22m
Spirit Airlines
Deal found 1/25$275

Find flight deals from Louisville to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Austin (AUS). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$123
(Cheapflightsfares)

One-way from

$86
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$354
Provider with most accurate pricing for Louisville Intl-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Austin Bergstrom flights.
Search Deals
From Louisville Intl to Austin Bergstrom
Search Deals
One-way flight from Louisville Intl to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Austin 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 January 27, 2026.
Use the filters below to find and compare flights from Louisville to Austin that are best for you.

Fly from

Louisville

Fly to

Austin

Route

Depart

Return

Price

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Tue 2/10

3:36 pm-9:35 pm

1 stop6h 59m

Austin Bergstrom

Thu 2/12

7:15 am-2:38 pm

1 stop6h 23m

$208

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Sat 3/7

12:00 pm-8:53 pm

1 stop9h 53m

Austin Bergstrom

Tue 3/10

7:15 am-2:38 pm

1 stop6h 23m

$211

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 3/6

1:19 pm-10:29 am

2 stops22h 10m

Austin Bergstrom

Mon 3/9

11:34 am-2:38 pm

1 stop26h 04m

$251

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Thu 3/5

11:14 am-9:36 am

1 stop23h 22m

Austin Bergstrom

Sun 3/8

8:36 pm-12:21 pm

1 stop14h 45m

$270

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Mon 2/9

6:54 pm-9:35 pm

1 stop27h 41m

Austin Bergstrom

Thu 2/12

4:35 pm-8:40 am

2 stops15h 05m

$276

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Tue 3/24

5:55 pm-10:44 pm

1 stop5h 49m

Austin Bergstrom

Sat 3/28

6:30 am-1:07 pm

1 stop5h 37m

$303

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 2/20

7:05 am-2:23 pm

1 stop8h 18m

Austin Bergstrom

Sat 2/21

5:30 am-11:27 am

1 stop4h 57m

$350

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Tue 3/24

7:00 am-2:30 pm

2 stops8h 30m

Austin Bergstrom

Sat 3/28

6:10 am-2:40 pm

2 stops7h 30m

$351

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Sun 2/15

9:50 am-5:23 pm

2 stops8h 33m

Austin Bergstrom

Tue 2/17

4:18 pm-9:46 pm

1 stop4h 28m

$355

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Sat 3/28

6:15 pm-11:35 pm

2 stops6h 20m

Austin Bergstrom

Wed 4/1

5:30 am-3:55 pm

2 stops9h 25m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
1
2

Compare providers for flights from Louisville to Austin

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Austin. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Louisville to Austin, 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 Louisville to Austin?

Currently, October is the cheapest month in which you can book a flight from Louisville to Austin (average of $60). Flying from Louisville to Austin in March is currently the most expensive (average of $106). 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.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Louisville to Austin, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
8,118 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
9,205 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Entertainment

7.5

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 Louisville to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisville to Austin?

    Departing from Louisville to Austin will take you 9h 53m. Airlines will cover a distance of 875 mi.

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

    United Airlines, at $202, was found to be the cheapest airline from Louisville to Austin.Alternate airlines to your destination round-trip include American Airlines and Southwest. These flights start at 46% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $113 on American Airlines. Other airlines that offer cheap prices include United Airlines from $134 and Delta from $135 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Louisville to Austin (average of $60). Flying from Louisville to Austin in March is currently the most expensive (average of $106). 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 Austin?

Book flights to Austin if you plan to visit one of these locations
Cedar Park
Fredericksburg
Round Rock
San Marcos
Georgetown
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Louisville to Austin

Discover the top 4 airlines that operate flights from Louisville to Austin. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$202Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$246Average$365FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$276Average$363FlexibilityNo cancel feeOn-time63%
DeltaCheapest$294Average$366FlexibilityNo cancel feeOn-timeN/A

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