$98+ Cheap flights from Knoxville to Austin (TYS - 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — AUS
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Knoxville to Austin 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 Knoxville McGhee Tyson to Austin Bergstrom are usually found in October or December, booked 58 days in advance, depart on a Tuesday or Friday and return on a Saturday
Cheap flight deals from Knoxville to Austin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to AustinExplore the most affordable flight options available from Knoxville to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Knoxville to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:51 pm
TYS
- AUS
1 stop6h 25m
Frontier
Mon 3/26:45 am
AUS
- TYS
1 stop11h 33m
Frontier
Deal found 2/2![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/29:00 am
TYS
- AUS
1 stop11h 02m
Multiple Airlines
Wed 3/47:15 am
AUS
- TYS
2 stops27h 19m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/288:00 am
TYS
- AUS
1 stop13h 53m
Multiple Airlines
Mon 3/27:15 am
AUS
- TYS
2 stops10h 16m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/258:30 am
TYS
- AUS
1 stop9h 49m
Multiple Airlines
Sun 3/294:59 pm
AUS
- TYS
1 stop14h 09m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 2/132:06 pm
TYS
- AUS
1 stop7h 38m
Multiple Airlines
Tue 2/177:15 am
AUS
- TYS
1 stop25h 53m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$262
This Priceline deal was found by Cheapflights users on 2/2. 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.
Thu 5/74:28 pm
TYS
- AUS
1 stop8h 53m
Frontier
Sun 5/106:45 am
AUS
- TYS
1 stop7h 48m
Frontier
Deal found 2/2![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/43:54 pm
TYS
- AUS
1 stop19h 35m
Multiple Airlines
Wed 3/114:14 pm
AUS
- TYS
2 stops28h 13m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/1110:58 am
TYS
- AUS
1 stop11h 37m
Multiple Airlines
Tue 3/316:12 am
AUS
- TYS
1 stop27h 24m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/183:52 pm
TYS
- AUS
1 stop30h 01m
Multiple Airlines
Mon 2/237:15 am
AUS
- TYS
2 stops10h 17m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$282
Best flights from Knoxville to AustinDiscover carefully curated flight deals from Knoxville to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Knoxville to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 2/132:06 pm
TYS
- AUS
1 stop7h 38m
Multiple Airlines
Tue 2/177:15 am
AUS
- TYS
1 stop25h 53m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$262
This Priceline deal was found by Cheapflights users on 2/2. 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.
Thu 5/74:28 pm
TYS
- AUS
1 stop8h 53m
Frontier
Sun 5/106:45 am
AUS
- TYS
1 stop7h 48m
Frontier
Deal found 2/2![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 7/912:59 pm
TYS
- AUS
1 stop6h 56m
Allegiant Air
Mon 7/138:42 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 2/1![Allegiant Air logo]()
$293
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/46:45 am
TYS
- AUS
1 stop6h 21m
United Airlines
Wed 3/117:00 am
AUS
- TYS
1 stop5h 18m
United Airlines
Deal found 2/2![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/1. 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 5/15:54 pm
TYS
- AUS
1 stop7h 23m
Delta
Mon 5/43:34 pm
AUS
- TYS
1 stop5h 06m
Delta
Deal found 2/1![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/145:00 pm
TYS
- AUS
1 stop7h 45m
American Airlines
Fri 3/203:29 pm
AUS
- TYS
1 stop7h 22m
American Airlines
Deal found 2/2![American Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/183:52 pm
TYS
- AUS
1 stop30h 01m
Multiple Airlines
Mon 2/2310:16 am
AUS
- TYS
1 stop8h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/2. 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 5/87:32 pm
TYS
- AUS
1 stop5h 58m
Delta
Sun 5/106:38 pm
AUS
- TYS
1 stop4h 11m
Delta
Deal found 2/2![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 7/96:30 am
TYS
- AUS
1 stop6h 25m
United Airlines
Mon 7/139:00 am
AUS
- TYS
1 stop7h 01m
United Airlines
Deal found 2/1![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/174:04 pm
TYS
- AUS
1 stop29h 49m
Multiple Airlines
Mon 2/233:53 pm
AUS
- TYS
2 stops41h 13m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 2/2. 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 3/205:24 pm
TYS
- AUS
1 stop6h 20m
Delta
Mon 3/238:25 am
AUS
- TYS
1 stop6h 41m
Delta
Deal found 2/2![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 2/1. 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 3/275:10 pm
TYS
- AUS
1 stop6h 15m
Delta
Mon 3/306:39 pm
AUS
- TYS
1 stop4h 18m
Delta
Deal found 2/1![Delta logo]()
$319
Last-minute flights from Knoxville to AustinDiscover last-minute flight deals from Knoxville to Austin. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Austin. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/1110:58 am
TYS
- AUS
1 stop11h 37m
Multiple Airlines
Tue 3/316:12 am
AUS
- TYS
1 stop27h 24m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/127:00 am
TYS
- AUS
1 stop14h 53m
Multiple Airlines
Mon 2/167:15 am
AUS
- TYS
1 stop25h 53m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 2/132:06 pm
TYS
- AUS
1 stop7h 38m
Multiple Airlines
Tue 2/177:15 am
AUS
- TYS
1 stop25h 53m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/183:52 pm
TYS
- AUS
1 stop30h 01m
Multiple Airlines
Mon 2/237:15 am
AUS
- TYS
2 stops10h 17m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$282
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:51 pm
TYS
- AUS
1 stop6h 25m
Frontier
Mon 3/26:45 am
AUS
- TYS
1 stop11h 33m
Frontier
Deal found 2/2![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/288:00 am
TYS
- AUS
1 stop13h 53m
Multiple Airlines
Mon 3/27:15 am
AUS
- TYS
2 stops10h 16m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/29:00 am
TYS
- AUS
1 stop11h 02m
Multiple Airlines
Wed 3/47:15 am
AUS
- TYS
2 stops27h 19m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/43:54 pm
TYS
- AUS
1 stop19h 35m
Multiple Airlines
Wed 3/114:14 pm
AUS
- TYS
2 stops28h 13m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/258:30 am
TYS
- AUS
1 stop9h 49m
Multiple Airlines
Sun 3/294:59 pm
AUS
- TYS
1 stop14h 09m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$249
One-way flights from Knoxville to AustinSearch for one-way flight options from Knoxville to Austin. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Knoxville to Austin. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 7/66:30 am
TYS
- AUS
Nonstop2h 22m
Allegiant Air
Deal found 1/31![Allegiant Air logo]()
$98
This Priceline deal was found by Cheapflights users on 2/2. 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.
Mon 3/234:20 pm
TYS
- AUS
1 stop8h 56m
Frontier
Deal found 2/2![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/253:50 pm
TYS
- AUS
1 stop19h 39m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$112
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:12 pm
TYS
- AUS
1 stop29h 04m
Frontier
Deal found 2/2![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/199:32 pm
TYS
- AUS
1 stop24h 21m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/232:06 pm
TYS
- AUS
2 stops26h 58m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$135
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/34:04 pm
TYS
- AUS
1 stop7h 46m
American Airlines
Deal found 2/2![American Airlines logo]()
$140
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/256:45 am
TYS
- AUS
2 stops9h 37m
United Airlines
Deal found 2/2![United Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 2/1. 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 6/125:57 pm
TYS
- AUS
1 stop7h 29m
Delta
Deal found 2/1![Delta logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fri 2/202:06 pm
TYS
- AUS
2 stops31h 47m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$162
Find flight deals from Knoxville to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $189 (Expedia) |
One-way from | $98 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $318 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville 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 February 3, 2026.
Use the filters below to find and compare flights from Knoxville to Austin that are best for you.
Fly from
Knoxville
Fly to
Austin
Route
Depart
Return
Price
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 2/13
2:06 pm-8:44 pm
1 stop7h 38m
Austin Bergstrom
Tue 2/17
7:15 am-10:08 am
1 stop25h 53m
$262
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Thu 5/7
4:28 pm-12:21 am
1 stop8h 53m
Austin Bergstrom
Sun 5/10
6:45 am-3:33 pm
1 stop7h 48m
$270
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Thu 7/9
12:59 pm-6:55 pm
1 stop6h 56m
Austin Bergstrom
Mon 7/13
8:42 am-12:03 pm
Nonstop2h 21m
$293
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Wed 3/4
6:45 am-12:06 pm
1 stop6h 21m
Austin Bergstrom
Wed 3/11
7:00 am-1:18 pm
1 stop5h 18m
$299
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Wed 2/18
3:52 pm-8:53 pm
1 stop30h 01m
Austin Bergstrom
Mon 2/23
10:16 am-7:18 pm
1 stop8h 02m
$299
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 5/1
5:54 pm-12:17 am
1 stop7h 23m
Austin Bergstrom
Mon 5/4
3:34 pm-9:40 pm
1 stop5h 06m
$301
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Tue 2/17
4:04 pm-8:53 pm
1 stop29h 49m
Austin Bergstrom
Mon 2/23
3:53 pm-10:06 am
2 stops41h 13m
$316
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Sat 3/14
5:00 pm-11:45 pm
1 stop7h 45m
Austin Bergstrom
Fri 3/20
3:29 pm-11:51 pm
1 stop7h 22m
$319
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 5/8
7:32 pm-12:30 am
1 stop5h 58m
Austin Bergstrom
Sun 5/10
6:38 pm-11:49 pm
1 stop4h 11m
$319
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Thu 7/9
6:30 am-11:55 am
1 stop6h 25m
Austin Bergstrom
Mon 7/13
9:00 am-5:01 pm
1 stop7h 01m
$319
Showing 1-10 of 22 results
Compare providers for flights from Knoxville 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 Knoxville to Austin in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-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 Knoxville-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 Knoxville to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Knoxville with our price prediction graph.
TYS-AUS
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 Knoxville to Austin
How far ahead should I book a flight from Knoxville to Austin?
Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Austin. Price data was last updated on January 30, 2026.
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Knoxville to Austin?
Currently, May is the cheapest month in which you can book a flight from Knoxville to Austin (average of $86). Flying from Knoxville to Austin in March is currently the most expensive (average of $133). 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 TYS to AUS?
Find hourly flight availability from Knoxville 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 February 3, 2026.
One of the essential ways to save on airfare from Knoxville to Austin is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 58% on airfare.
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 February 3, 2026.
Read through reviews of airlines operating flights from Knoxville 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.
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Austin. 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 Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Fredericksburg
Round Rock
San Marcos
Georgetown
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay
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Alternative routes for Knoxville to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Knoxville to Austin
Discover the top 5 airlines that operate flights from Knoxville 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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$139 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$118 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$233 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$349 | FlexibilityNo cancel fee | On-time63% |