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$79+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — AUS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Austin Bergstrom are usually found in February or September, booked 79 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$178
(Kiwi.com)

One-way from

$79
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$358
From Louisville Intl to Austin Bergstrom
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One-way flight from Louisville Intl to Austin Bergstrom
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

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.
Wed 10/85:31 pmSDF - AUS
1 stop24h 28mSpirit Airlines
Wed 10/157:20 amAUS - SDF
1 stop8h 16mSpirit Airlines
Deal found 9/10$178
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/66:43 pmSDF - AUS
1 stop28h 02mMultiple Airlines
Thu 10/97:20 amAUS - SDF
1 stop9h 43mMultiple Airlines
Deal found 9/9$186
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/225:31 pmSDF - AUS
1 stop22h 53mMultiple Airlines
Sun 10/267:20 amAUS - SDF
1 stop25h 11mMultiple Airlines
Deal found 9/9$187
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/308:23 amSDF - AUS
1 stop14h 16mSpirit Airlines
Wed 10/87:20 amAUS - SDF
1 stop8h 16mSpirit Airlines
Deal found 9/9$190
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/67:15 amSDF - AUS
1 stop11h 10mMultiple Airlines
Wed 10/87:20 amAUS - SDF
1 stop8h 16mMultiple Airlines
Deal found 9/9$202
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 9/308:23 amSDF - AUS
1 stop14h 16mSpirit Airlines
Fri 10/35:45 amAUS - SDF
1 stop15h 19mSpirit Airlines
Deal found 9/9$204
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.
Sun 10/128:52 pmSDF - AUS
1 stop12h 04mMultiple Airlines
Sun 10/267:20 amAUS - SDF
1 stop25h 11mMultiple Airlines
Deal found 9/10$206
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:58 pmSDF - AUS
1 stop16h 27mSpirit Airlines
Wed 10/87:20 amAUS - SDF
1 stop8h 16mSpirit Airlines
Deal found 9/11$212
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.
Sun 10/128:52 pmSDF - AUS
1 stop12h 04mMultiple Airlines
Sat 10/257:20 amAUS - SDF
1 stop9h 43mMultiple Airlines
Deal found 9/10$217
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.
Wed 10/225:31 pmSDF - AUS
2 stops19h 01mSpirit Airlines
Sun 10/267:20 amAUS - SDF
1 stop26h 32mSpirit Airlines
Deal found 9/10$219

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 September 11, 2025.
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

Wed 10/22

5:31 pm-3:24 pm

1 stop22h 53m

Austin Bergstrom

Sun 10/26

7:20 am-9:31 am

1 stop25h 11m

$194

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Wed 10/8

5:31 pm-8:06 pm

2 stops27h 35m

Austin Bergstrom

Wed 10/15

7:20 am-4:36 pm

1 stop8h 16m

$212

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Wed 10/22

5:31 pm-11:32 am

2 stops19h 01m

Austin Bergstrom

Sun 10/26

7:20 am-10:52 am

1 stop26h 32m

$219

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Tue 10/21

7:09 am-12:35 pm

1 stop6h 26m

Austin Bergstrom

Thu 10/23

5:00 pm-12:01 am

1 stop6h 01m

$237

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 10/3

8:23 am-11:02 pm

1 stop15h 39m

Austin Bergstrom

Sun 10/5

4:30 pm-10:52 am

1 stop17h 22m

$254

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 10/3

8:45 am-3:20 pm

2 stops7h 35m

Austin Bergstrom

Tue 10/7

7:05 am-1:10 pm

1 stop5h 05m

$258

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 10/10

9:51 am-4:59 pm

1 stop8h 08m

Austin Bergstrom

Sun 10/12

4:30 pm-10:52 am

1 stop17h 22m

$264

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Tue 10/21

6:00 am-5:00 pm

2 stops12h 00m

Austin Bergstrom

Thu 10/23

5:45 am-12:05 pm

1 stop5h 20m

$267

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 10/31

7:55 am-2:50 pm

1 stop7h 55m

Austin Bergstrom

Sun 11/2

6:27 pm-12:01 am

1 stop4h 34m

$274

LouisvilleAustin

SDF - AUS

SDFAUS

Louisville Intl

Fri 2/13

8:40 pm-12:35 am

1 stop4h 55m

Austin Bergstrom

Tue 2/17

5:55 am-4:15 pm

2 stops9h 20m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 20 results
1
2

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Louisville to Austin, you should look to book at least 79 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, August is the cheapest month in which you can book a flight from Louisville to Austin (average of $285). Flying from Louisville to Austin in March is currently the most expensive (average of $362). 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 SDF to AUS?

Find hourly flight availability from Louisville to Austin. 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.

A simple way to save on the total cost of your ticket is to fly from Louisville to Austin at noon. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Louisville to Austin. Price data was last updated on July 27, 2025.

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

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 September 11, 2025.
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
4,248 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
Spirit Airlines
6.3
Okay
8,023 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 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 6h 26m. Airlines will cover a distance of 875 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Spirit Airlines, at $143, was found to be the cheapest airline from Louisville to Austin.Alternate airlines to your destination round-trip include American Airlines and Delta. These flights start at 63% lower than the current average price 3 months from now.

  • 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, August is the cheapest month in which you can book a flight from Louisville to Austin (average of $285). Flying from Louisville to Austin in March is currently the most expensive (average of $362). 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
San Marcos
Round Rock
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Cedar Park
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Louisville to Austin

Discover the top 5 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$143Average$283FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$271Average$380FlexibilityNo cancel feeOn-time71%
DeltaCheapest$294Average$367FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$302Average$389FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$351Average$570FlexibilityNo cancel feeOn-time69%

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