$68+ Cheap flights from Austin to Knoxville (AUS - TYS)
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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Knoxville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Austin Bergstrom to Knoxville McGhee Tyson are usually found in December or August, booked 70 days in advance, depart on a Saturday or Monday and return on a Tuesday
Cheap flight deals from Austin to Knoxville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Austin to KnoxvilleExplore the most affordable flight options available from Austin to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
Explore the most affordable flight options available from Austin to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 8/148:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 8/176:30 am
TYS
- AUS
Nonstop2h 36m
Allegiant Air
Deal found 3/14![Allegiant Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 6/128:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/156:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 3/15![Allegiant Air logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 7/248:42 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 7/276:30 am
TYS
- AUS
Nonstop2h 22m
Allegiant Air
Deal found 3/16![Allegiant Air logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Mon 6/16:00 am
TYS
- AUS
Nonstop2h 36m
Allegiant Air
Deal found 3/17![Allegiant Air logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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.
Mon 6/18:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Mon 6/87:25 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 3/16![Allegiant Air logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/228:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Mon 5/256:00 am
TYS
- AUS
Nonstop2h 36m
Allegiant Air
Deal found 3/14![Allegiant Air logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/89:33 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Thu 6/181:01 pm
TYS
- AUS
1 stop6h 41m
Allegiant Air
Deal found 3/13![Allegiant Air logo]()
$216
This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:26 am
AUS
- TYS
Nonstop2h 11m
Multiple Airlines
Mon 6/18:32 pm
TYS
- AUS
1 stop14h 11m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 6/116:00 am
AUS
- TYS
1 stop7h 57m
Multiple Airlines
Mon 6/156:30 am
TYS
- AUS
Nonstop2h 18m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$229
Best flights from Austin to KnoxvilleDiscover carefully curated flight deals from Austin to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
Discover carefully curated flight deals from Austin to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
This Southwest deal was found by Cheapflights users on 3/16. 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 4/152:45 pm
AUS
- TYS
1 stop3h 55m
Southwest
Thu 4/166:35 am
TYS
- AUS
1 stop4h 30m
Southwest
Deal found 3/16![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 3/14. 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.
Tue 6/1612:20 pm
AUS
- TYS
1 stop3h 59m
Delta
Fri 6/1910:05 am
TYS
- AUS
1 stop6h 49m
Delta
Deal found 3/14![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/412:25 pm
AUS
- TYS
1 stop4h 50m
United Airlines
Tue 4/75:15 pm
TYS
- AUS
1 stop5h 19m
United Airlines
Deal found 3/14![United Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 3/15. 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 4/255:00 am
AUS
- TYS
1 stop7h 20m
Southwest
Tue 4/285:50 pm
TYS
- AUS
1 stop6h 10m
Southwest
Deal found 3/15![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 3/16. 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 4/136:45 am
AUS
- TYS
1 stop3h 55m
Southwest
Tue 4/147:05 am
TYS
- AUS
2 stops8h 10m
Southwest
Deal found 3/16![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 3/15. 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 5/115:30 am
AUS
- TYS
2 stops7h 40m
Southwest
Wed 5/137:05 am
TYS
- AUS
1 stop4h 25m
Southwest
Deal found 3/15![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 3/17. 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 5/298:25 am
AUS
- TYS
1 stop11h 50m
Southwest
Mon 6/16:45 pm
TYS
- AUS
2 stops6h 05m
Southwest
Deal found 3/17![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 3/15. 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 4/102:00 pm
AUS
- TYS
1 stop5h 20m
Southwest
Sat 4/117:45 am
TYS
- AUS
1 stop7h 40m
Southwest
Deal found 3/15![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 3/13. 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 6/811:40 am
AUS
- TYS
2 stops9h 40m
Southwest
Thu 6/186:40 am
TYS
- AUS
2 stops8h 50m
Southwest
Deal found 3/13![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 3/13. 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 4/109:25 am
AUS
- TYS
2 stops9h 55m
Southwest
Fri 4/176:45 pm
TYS
- AUS
1 stop6h 20m
Southwest
Deal found 3/13![Southwest logo]()
$383
Last-minute flights from Austin to KnoxvilleDiscover last-minute flight deals from Austin to Knoxville. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Knoxville. Data last updated March 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:45 am
AUS
- TYS
1 stop7h 40m
Frontier
Fri 4/34:20 pm
TYS
- AUS
1 stop9h 01m
Frontier
Deal found 3/15![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 3/316:12 am
AUS
- TYS
1 stop6h 58m
Multiple Airlines
Fri 4/39:00 am
TYS
- AUS
1 stop8h 04m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/18:12 pm
AUS
- TYS
2 stops26h 27m
Multiple Airlines
Tue 4/72:56 pm
TYS
- AUS
1 stop10h 28m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/24:59 pm
AUS
- TYS
1 stop14h 11m
Multiple Airlines
Thu 4/95:10 pm
TYS
- AUS
1 stop8h 14m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$232
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:45 am
AUS
- TYS
1 stop7h 43m
Frontier
Fri 4/104:20 pm
TYS
- AUS
1 stop9h 01m
Frontier
Deal found 3/17![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/34:59 pm
AUS
- TYS
1 stop14h 37m
Multiple Airlines
Thu 4/95:10 pm
TYS
- AUS
1 stop8h 14m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/34:59 pm
AUS
- TYS
1 stop14h 37m
Multiple Airlines
Tue 4/72:56 pm
TYS
- AUS
1 stop26h 08m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/44:59 pm
AUS
- TYS
1 stop29h 40m
Multiple Airlines
Wed 4/84:25 pm
TYS
- AUS
1 stop8h 59m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/64:59 pm
AUS
- TYS
1 stop20h 07m
Multiple Airlines
Wed 4/84:25 pm
TYS
- AUS
1 stop8h 59m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$237
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:45 am
AUS
- TYS
1 stop7h 43m
Frontier
Thu 4/164:28 pm
TYS
- AUS
1 stop18h 37m
Frontier
Deal found 3/15![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/166:00 am
AUS
- TYS
1 stop7h 45m
Multiple Airlines
Fri 4/176:20 pm
TYS
- AUS
1 stop18h 01m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$261
One-way flights from Austin to KnoxvilleSearch for one-way flight options from Austin to Knoxville. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
Search for one-way flight options from Austin to Knoxville. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 6/128:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 3/15![Allegiant Air logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Deal found 3/17![Allegiant Air logo]()
$89
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:45 am
AUS
- TYS
1 stop7h 43m
Frontier
Deal found 3/17![Frontier logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Mon 6/18:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Deal found 3/15![Allegiant Air logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 4/144:59 pm
AUS
- TYS
1 stop16h 37m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 5/86:00 am
AUS
- TYS
1 stop28h 06m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 6/117:32 pm
AUS
- TYS
1 stop24h 41m
Allegiant Air
Deal found 3/15![Allegiant Air logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/166:00 am
AUS
- TYS
1 stop7h 45m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$116
Find flight deals from Austin to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Knoxville (TYS). 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 March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $127 (Kiwi.com) |
One-way from | $68 (Kiwi.com) |
Popular in | February |
Cheapest in | December |
Average price | $349 |
Good round-trip deal | $159 or less |
Good one-way deal | $76 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Knoxville 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 March 18, 2026.
Use the filters below to find and compare flights from Austin to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Wed 4/15
2:45 pm-7:40 pm
1 stop3h 55m
Knoxville McGhee Tyson
Thu 4/16
6:35 am-10:05 am
1 stop4h 30m
$306
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Sat 4/25
5:00 am-1:20 pm
1 stop7h 20m
Knoxville McGhee Tyson
Tue 4/28
5:50 pm-11:00 pm
1 stop6h 10m
$311
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Mon 4/13
6:45 am-11:40 am
1 stop3h 55m
Knoxville McGhee Tyson
Tue 4/14
7:05 am-2:15 pm
2 stops8h 10m
$311
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Mon 5/11
5:30 am-2:10 pm
2 stops7h 40m
Knoxville McGhee Tyson
Wed 5/13
7:05 am-10:30 am
1 stop4h 25m
$316
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 5/29
8:25 am-9:15 pm
1 stop11h 50m
Knoxville McGhee Tyson
Mon 6/1
6:45 pm-11:50 pm
2 stops6h 05m
$354
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 4/10
2:00 pm-8:20 pm
1 stop5h 20m
Knoxville McGhee Tyson
Sat 4/11
7:45 am-2:25 pm
1 stop7h 40m
$364
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Mon 6/8
11:40 am-10:20 pm
2 stops9h 40m
Knoxville McGhee Tyson
Thu 6/18
6:40 am-2:30 pm
2 stops8h 50m
$374
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 4/10
9:25 am-8:20 pm
2 stops9h 55m
Knoxville McGhee Tyson
Fri 4/17
6:45 pm-12:05 am
1 stop6h 20m
$383
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Tue 6/16
12:20 pm-5:19 pm
1 stop3h 59m
Knoxville McGhee Tyson
Fri 6/19
10:05 am-3:54 pm
1 stop6h 49m
$385
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Sat 4/4
12:25 pm-6:15 pm
1 stop4h 50m
Knoxville McGhee Tyson
Tue 4/7
5:15 pm-9:34 pm
1 stop5h 19m
$401
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Austin to Knoxville
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 Knoxville in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Austin-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Knoxville 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-Knoxville 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 Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Austin with our price prediction graph.
AUS-TYS
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 Knoxville
Prices
More
How far ahead should I book a flight from Austin to Knoxville?
Use this chart to determine the optimal time to book a round-trip flight from Austin to Knoxville. Price data was last updated on March 13, 2026.
The best time to book flights from Austin to Knoxville is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Austin to Knoxville?
Currently, September is the cheapest month in which you can book a flight from Austin to Knoxville (average of $79). Flying from Austin to Knoxville in February is currently the most expensive (average of $223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from AUS to TYS?
Find hourly flight availability from Austin to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 18, 2026.
It’s optimal to fly from Austin to Knoxville in the evening. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the afternoon.
What’s the top layover airport for flights from Austin to Knoxville?
Share of 1-stop round-trip flights from Austin to Knoxville chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 67% of 1-stop itineraries from Austin to Knoxville on Cheapflights.
What’s the cheapest layover airport for flights from Austin to Knoxville?
Average round-trip fare for 1-stop flights from Austin to Knoxville, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Nashville (BNA) is the most affordable 1-stop option, with an average round-trip price of $436.
What’s the fastest layover option from Austin to Knoxville?
Shortest average travel time for 1-stop one-way flights from Austin to Knoxville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 4h 20m.
Which airport typically offers the quickest layover for flights from Austin to Knoxville?
Average layover duration for 1-stop one-way flights from Austin to Knoxville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 1h 25m.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated March 18, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Austin to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
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 Knoxville. 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 Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge
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Top 6 airlines flying from Austin to Knoxville
Discover the top 6 airlines that operate flights from Austin to Knoxville. 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$119 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$168 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$345 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$273 | Average$392 | FlexibilityNo cancel fee | On-time63% |