$159+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SDF
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Cheapest flights from Austin to LouisvilleExplore 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 July 27, 2026.
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 July 27, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 8/195:30 am
AUS
- SDF
1 stop6h 37m
United Airlines
Wed 8/195:45 pm
SDF
- AUS
1 stop6h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/136:30 am
AUS
- SDF
1 stop4h 51m
Delta
Sat 8/1511:17 am
SDF
- AUS
1 stop5h 33m
Delta
Deal found 7/22![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 7/23. 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 8/197:45 am
AUS
- SDF
2 stops7h 35m
Southwest
Wed 8/196:45 pm
SDF
- AUS
1 stop5h 20m
Southwest
Deal found 7/23![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:58 pm
AUS
- SDF
1 stop5h 13m
American Airlines
Tue 9/86:05 am
SDF
- AUS
1 stop5h 26m
American Airlines
Deal found 7/26![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:34 pm
AUS
- SDF
1 stop5h 08m
Delta
Sun 9/63:25 pm
SDF
- AUS
1 stop5h 57m
Delta
Deal found 7/25![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
AUS
- SDF
2 stops8h 15m
Southwest
Sat 9/264:55 pm
SDF
- AUS
1 stop5h 00m
Southwest
Deal found 7/27![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:15 am
AUS
- SDF
1 stop5h 03m
Delta
Mon 9/76:00 am
SDF
- AUS
1 stop4h 37m
Delta
Deal found 7/25![Delta logo]()
$331
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:45 am
AUS
- SDF
2 stops7h 35m
Southwest
Sat 8/226:45 am
SDF
- AUS
2 stops5h 30m
Southwest
Deal found 7/26![Southwest logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 8/265:37 pm
AUS
- SDF
2 stops21h 52m
Multiple Airlines
Sun 8/305:19 pm
SDF
- AUS
1 stop17h 51m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:34 pm
AUS
- SDF
1 stop4h 56m
Delta
Sat 8/228:05 am
SDF
- AUS
1 stop5h 24m
Delta
Deal found 7/26![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:10 pm
AUS
- SDF
1 stop5h 05m
United Airlines
Sun 9/67:10 am
SDF
- AUS
1 stop5h 39m
United Airlines
Deal found 7/26![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 10/107:00 am
AUS
- SDF
1 stop6h 55m
Southwest
Mon 10/126:55 pm
SDF
- AUS
1 stop6h 15m
Southwest
Deal found 7/23![Southwest logo]()
$357
Best flights from Austin to LouisvilleDiscover carefully curated flight deals from Austin to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Austin to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 9/234:53 pm
AUS
- SDF
1 stop5h 29m
American Airlines
Sat 9/262:47 pm
SDF
- AUS
1 stop8h 11m
American Airlines
Deal found 7/22![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 7/22. 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 8/128:15 am
AUS
- SDF
1 stop5h 03m
Delta
Sat 8/156:00 am
SDF
- AUS
1 stop5h 01m
Delta
Deal found 7/22![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 7/22. 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 9/2312:55 pm
AUS
- SDF
2 stops7h 35m
Southwest
Sat 9/264:55 pm
SDF
- AUS
1 stop4h 55m
Southwest
Deal found 7/22![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 9/2312:12 pm
AUS
- SDF
2 stops9h 47m
United Airlines
Sat 9/265:15 am
SDF
- AUS
2 stops9h 07m
United Airlines
Deal found 7/22![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:30 am
AUS
- SDF
1 stop4h 51m
Delta
Thu 8/207:05 am
SDF
- AUS
1 stop4h 55m
Delta
Deal found 7/26![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 7/24. 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.
Sun 8/232:40 pm
AUS
- SDF
1 stop4h 30m
Southwest
Mon 8/249:00 am
SDF
- AUS
2 stops6h 05m
Southwest
Deal found 7/24![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 8/299:33 am
AUS
- SDF
2 stops8h 33m
United Airlines
Tue 9/89:00 am
SDF
- AUS
2 stops9h 54m
United Airlines
Deal found 7/24![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:24 pm
AUS
- SDF
1 stop5h 10m
Delta
Sun 8/237:05 am
SDF
- AUS
1 stop4h 55m
Delta
Deal found 7/26![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 7/23. 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 9/111:25 pm
AUS
- SDF
2 stops6h 05m
Southwest
Sun 9/136:25 pm
SDF
- AUS
1 stop5h 10m
Southwest
Deal found 7/23![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:40 pm
AUS
- SDF
2 stops5h 55m
Southwest
Sun 9/66:30 am
SDF
- AUS
1 stop5h 55m
Southwest
Deal found 7/26![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 7/24. 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.
Fri 9/253:00 pm
AUS
- SDF
1 stop4h 33m
Delta
Mon 9/287:55 pm
SDF
- AUS
1 stop5h 04m
Delta
Deal found 7/24![Delta logo]()
$423
Last-minute flights from Austin to LouisvilleDiscover last-minute flight deals from Austin to Louisville. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Louisville. Data last updated July 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/22. 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 8/1212:05 pm
AUS
- SDF
1 stop6h 26m
Delta
Mon 8/176:00 am
SDF
- AUS
1 stop4h 37m
Delta
Deal found 7/22![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/136:30 am
AUS
- SDF
1 stop4h 51m
Delta
Sat 8/1511:17 am
SDF
- AUS
1 stop5h 33m
Delta
Deal found 7/22![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:24 pm
AUS
- SDF
1 stop5h 10m
Delta
Sun 8/237:05 am
SDF
- AUS
1 stop4h 55m
Delta
Deal found 7/26![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 8/195:30 am
AUS
- SDF
1 stop6h 37m
United Airlines
Wed 8/195:45 pm
SDF
- AUS
1 stop6h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 7/23. 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 8/197:45 am
AUS
- SDF
2 stops7h 35m
Southwest
Wed 8/196:45 pm
SDF
- AUS
1 stop5h 20m
Southwest
Deal found 7/23![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:45 am
AUS
- SDF
2 stops7h 35m
Southwest
Sat 8/226:45 am
SDF
- AUS
1 stop5h 00m
Southwest
Deal found 7/26![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:34 pm
AUS
- SDF
1 stop4h 56m
Delta
Sat 8/228:05 am
SDF
- AUS
1 stop5h 24m
Delta
Deal found 7/26![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/233:08 pm
AUS
- SDF
1 stop6h 23m
United Airlines
Mon 8/247:10 am
SDF
- AUS
1 stop5h 39m
United Airlines
Deal found 7/24![United Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 8/265:37 pm
AUS
- SDF
2 stops21h 52m
Multiple Airlines
Sun 8/305:19 pm
SDF
- AUS
1 stop17h 51m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:20 pm
AUS
- SDF
1 stop5h 39m
United Airlines
Sun 8/309:00 am
SDF
- AUS
1 stop5h 58m
United Airlines
Deal found 7/25![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:58 pm
AUS
- SDF
1 stop5h 13m
American Airlines
Tue 9/86:05 am
SDF
- AUS
1 stop5h 26m
American Airlines
Deal found 7/26![American Airlines logo]()
$325
One-way flights from Austin to LouisvilleSearch for one-way flight options from Austin to Louisville. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Austin to Louisville. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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 10/73:55 pm
AUS
- SDF
1 stop6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 9/85:37 pm
AUS
- SDF
2 stops45h 57m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 8/175:30 am
AUS
- SDF
2 stops6h 35m
Southwest
Deal found 7/23![Southwest logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/171:33 pm
AUS
- SDF
3 stops47h 43m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Wed 9/96:33 pm
AUS
- SDF
3 stops24h 56m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/235:37 pm
AUS
- SDF
2 stops15h 12m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:10 am
AUS
- SDF
1 stop6h 59m
United Airlines
Deal found 7/27![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:45 pm
AUS
- SDF
1 stop5h 31m
American Airlines
Deal found 7/27![American Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:00 am
AUS
- SDF
1 stop4h 39m
American Airlines
Deal found 7/27![American Airlines logo]()
$249
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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (United Airlines) |
One-way from | $159 (Southwest) |
Popular in | August |
Cheapest in | November |
Average price | $422 |
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 July 27, 2026.
Use the filters below to find and compare flights from Austin to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Wed 9/23
4:53 pm-11:22 pm
1 stop5h 29m
Louisville Intl
Sat 9/26
2:47 pm-9:58 pm
1 stop8h 11m
$317
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Wed 8/12
8:15 am-2:18 pm
1 stop5h 03m
Louisville Intl
Sat 8/15
6:00 am-10:01 am
1 stop5h 01m
$317
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Wed 8/19
6:30 am-12:21 pm
1 stop4h 51m
Louisville Intl
Thu 8/20
7:05 am-11:00 am
1 stop4h 55m
$325
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Wed 9/23
12:55 pm-9:30 pm
2 stops7h 35m
Louisville Intl
Sat 9/26
4:55 pm-8:50 pm
1 stop4h 55m
$378
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Mon 8/17
6:24 pm-12:34 am
1 stop5h 10m
Louisville Intl
Sun 8/23
7:05 am-11:00 am
1 stop4h 55m
$381
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Sun 8/23
2:40 pm-8:10 pm
1 stop4h 30m
Louisville Intl
Mon 8/24
9:00 am-2:05 pm
2 stops6h 05m
$398
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Fri 9/11
1:25 pm-8:30 pm
2 stops6h 05m
Louisville Intl
Sun 9/13
6:25 pm-10:35 pm
1 stop5h 10m
$403
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Fri 9/4
1:40 pm-8:35 pm
2 stops5h 55m
Louisville Intl
Sun 9/6
6:30 am-11:25 am
1 stop5h 55m
$403
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Wed 9/23
12:12 pm-10:59 pm
2 stops9h 47m
Louisville Intl
Sat 9/26
5:15 am-1:22 pm
2 stops9h 07m
$407
AustinLouisville
AUS - SDF
AUSSDF
Austin Bergstrom
Sat 8/29
9:33 am-7:06 pm
2 stops8h 33m
Louisville Intl
Tue 9/8
9:00 am-5:54 pm
2 stops9h 54m
$415
Showing 1-10 of 18 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Austin-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Louisville flight deals on Cheapflights vs. FlightHub >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 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 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.
AUS-SDF
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
What is the cheapest month to book a flight from Austin to Louisville?
Currently, November is the cheapest month in which you can book a flight from Austin to Louisville (average of $381). Flying from Austin to Louisville in August is currently the most expensive (average of $640). 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.
How much does it cost to fly round-trip from Austin to Louisville?
Airfare is below average for this route at the moment.
Austin to Louisville flights typically cost between $371 and $724 in August.The cheapest round-trip price found within the last 5 days was $312 on United Airlines (Aug 19-Aug 19).
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 July 27, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown
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Other flights to Louisville
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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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$432 | FlexibilityNo cancel fee | On-time63% |