$36+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
Jun 15 — Jun 221
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 October, booked 85 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 May 16, 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 May 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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.
Fri 8/148:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 8/176:30 am
TYS
- AUS
Nonstop2h 36m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:40 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 8/248:30 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$91
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:40 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 8/318:00 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 5/14![Allegiant Air logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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.
Fri 6/268:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/296:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 9/2810:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Thu 10/112:01 pm
TYS
- AUS
Nonstop2h 28m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/128:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/296:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/14![Allegiant Air logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:42 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 7/136:30 am
TYS
- AUS
Nonstop2h 22m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$134
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 9/49:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/77:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/128:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/156:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/18:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Fri 6/57:25 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$141
This Super.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/89:33 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/156:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$145
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 May 16, 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 May 16, 2026.
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:30 am
AUS
- TYS
1 stop3h 35m
Southwest
Tue 10/275:30 pm
TYS
- AUS
1 stop6h 10m
Southwest
Deal found 5/11![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 5/12. 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 6/55:25 am
AUS
- TYS
1 stop6h 45m
Delta
Mon 6/298:35 am
TYS
- AUS
1 stop6h 04m
Delta
Deal found 5/12![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 5/12. 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 7/183:37 pm
AUS
- TYS
1 stop5h 57m
United Airlines
Thu 7/236:00 am
TYS
- AUS
2 stops8h 12m
United Airlines
Deal found 5/12![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 5/13. 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 6/1212:10 pm
AUS
- TYS
2 stops8h 00m
Southwest
Mon 6/156:40 am
TYS
- AUS
2 stops6h 25m
Southwest
Deal found 5/13![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:30 am
AUS
- TYS
2 stops10h 28m
United Airlines
Fri 8/287:00 am
TYS
- AUS
1 stop5h 49m
United Airlines
Deal found 5/13![United Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 6/1612:15 pm
AUS
- TYS
2 stops7h 41m
United Airlines
Fri 6/196:00 am
TYS
- AUS
1 stop6h 57m
United Airlines
Deal found 5/12![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:44 pm
AUS
- TYS
2 stops12h 59m
United Airlines
Wed 6/247:15 am
TYS
- AUS
1 stop5h 04m
United Airlines
Deal found 5/11![United Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:15 pm
AUS
- TYS
1 stop4h 52m
United Airlines
Thu 7/97:15 am
TYS
- AUS
1 stop6h 57m
United Airlines
Deal found 5/15![United Airlines logo]()
$608
Last-minute flights from Austin to KnoxvilleDiscover last-minute flight deals from Austin to Knoxville. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Knoxville. Data last updated May 16, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 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 5/13![Allegiant Air logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/18:26 am
AUS
- TYS
Nonstop2h 11m
Allegiant Air
Fri 6/57:25 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$141
This Super.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/89:33 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/156:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/128:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/296:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/14![Allegiant Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/128:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/156:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares 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
Fri 6/196:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/296:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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.
Fri 6/268:38 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 6/296:30 am
TYS
- AUS
Nonstop2h 18m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$110
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 May 16, 2026.
Search for one-way flight options from Austin to Knoxville. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$36
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Mon 8/108:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$46
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 8/148:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$49
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:42 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/11![Allegiant Air logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 7/108:42 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$53
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 11/910:48 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/13![Allegiant Air logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Mon 7/138:42 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/15![Allegiant Air logo]()
$70
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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $87 (Cheapflightsfares) |
One-way from | $36 (Kiwi.com) |
Popular in | April |
Cheapest in | December |
Average price | $338 |
Good round-trip deal | $117 or less |
Good one-way deal | $73 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 May 16, 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
Tue 10/20
8:30 am-1:05 pm
1 stop3h 35m
Knoxville McGhee Tyson
Tue 10/27
5:30 pm-10:40 pm
1 stop6h 10m
$296
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 6/5
5:25 am-1:10 pm
1 stop6h 45m
Knoxville McGhee Tyson
Mon 6/29
8:35 am-1:39 pm
1 stop6h 04m
$394
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 6/12
12:10 pm-9:10 pm
2 stops8h 00m
Knoxville McGhee Tyson
Mon 6/15
6:40 am-12:05 pm
2 stops6h 25m
$394
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Sat 7/18
3:37 pm-10:34 pm
1 stop5h 57m
Knoxville McGhee Tyson
Thu 7/23
6:00 am-1:12 pm
2 stops8h 12m
$470
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Mon 8/24
5:30 am-4:58 pm
2 stops10h 28m
Knoxville McGhee Tyson
Fri 8/28
7:00 am-11:49 am
1 stop5h 49m
$470
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Tue 6/16
12:15 pm-8:56 pm
2 stops7h 41m
Knoxville McGhee Tyson
Fri 6/19
6:00 am-11:57 am
1 stop6h 57m
$539
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Mon 6/15
7:44 pm-9:43 am
2 stops12h 59m
Knoxville McGhee Tyson
Wed 6/24
7:15 am-11:19 am
1 stop5h 04m
$545
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Wed 7/1
12:15 pm-6:07 pm
1 stop4h 52m
Knoxville McGhee Tyson
Thu 7/9
7:15 am-1:12 pm
1 stop6h 57m
$608
Cheapest one-way
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Wed 8/12
6:30 am-7:36 pm
1 stop12h 06m
$101
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Wed 6/24
7:40 am-5:00 pm
1 stop8h 20m
$151
Showing 1-10 of 17 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
How far ahead should I book a flight from Austin to Knoxville?
The best time to book flights from Austin to Knoxville is 84 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, December is the cheapest month in which you can book a flight from Austin to Knoxville (average of $211). Flying from Austin to Knoxville in April is currently the most expensive (average of $398). 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 May 16, 2026.
It’s optimal to fly from Austin to Knoxville in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the afternoon.
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 May 16, 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.
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Entertainment
7.5
Boarding
8.1
Overall
8.0
Crew
8.6
Comfort
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 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
Morristown
Bryson City
Murphy
Alcoa
Oak Ridge
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Other flights to Knoxville
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Austin and Knoxville flights
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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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$119 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$185 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$348 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$377 | FlexibilityNo cancel fee | On-time63% |