$42+ Cheap flights from Austin to Knoxville (AUS - TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
Oct 13 — Oct 201
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 49 days in advance, depart on a Monday or Thursday and return on a Monday
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 September 13, 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 September 13, 2026.
This CheapOair deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:48 am -
Nonstop2h 21m
Mon 11/168:30 am -
Nonstop2h 28m
Deal found 9/11![Allegiant Air logo]()
$98
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:18 am -
Nonstop2h 21m
Mon 11/168:30 am -
Nonstop2h 28m
Deal found 9/10![Allegiant Air logo]()
$99
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:29 am -
Nonstop2h 14m
Fri 12/118:00 am -
Nonstop2h 39m
Deal found 9/11![Allegiant Air logo]()
$104
This Jetabroad deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:13 am -
Nonstop2h 14m
Mon 9/218:00 am -
Nonstop2h 23m
Deal found 9/10![Allegiant Air logo]()
$131
This Booking.com deal was found by Cheapflights users on 9/8. 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 10/3010:48 am -
Nonstop2h 16m
Mon 11/27:20 am -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Sun 10/41:48 pm -
Nonstop2h 16m
Thu 10/812:01 pm -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:48 am -
Nonstop2h 21m
Mon 11/162:21 pm -
2 stops46h 18m
Deal found 9/11![Multiple Airlines logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:13 pm -
Nonstop2h 13m
Mon 12/78:00 am -
Nonstop2h 39m
Deal found 9/11![Allegiant Air logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:48 pm -
Nonstop2h 16m
Mon 10/267:20 am -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$228
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 September 13, 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 September 13, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 10/214:49 pm -
1 stop4h 33m
Tue 10/2710:29 am -
1 stop6h 15m
Deal found 9/8![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:55 am -
1 stop7h 55m
Sun 12/67:05 am -
1 stop4h 25m
Deal found 9/12![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/319:37 am -
2 stops10h 17m
Tue 11/36:45 am -
2 stops9h 36m
Deal found 9/8![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:25 am -
1 stop4h 03m
Mon 11/167:22 pm -
1 stop6h 00m
Deal found 9/10![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/239:38 am -
1 stop6h 21m
Thu 11/267:00 am -
1 stop5h 13m
Deal found 9/8![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:05 am -
1 stop9h 35m
Wed 10/147:15 am -
2 stops5h 30m
Deal found 9/9![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/115:55 am -
2 stops8h 25m
Sun 3/146:40 am -
2 stops5h 50m
Deal found 9/11![Southwest logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/1912:49 pm -
1 stop7h 05m
Sun 11/226:45 am -
2 stops9h 36m
Deal found 9/8![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/298:45 am -
2 stops14h 30m
Mon 1/45:57 pm -
1 stop5h 53m
Deal found 9/10![United Airlines logo]()
$579
Last-minute flights from Austin to KnoxvilleDiscover last-minute flight deals from Austin to Knoxville. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Knoxville. Data last updated September 13, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:13 am -
Nonstop2h 14m
Mon 9/148:00 am -
Nonstop2h 23m
Deal found 9/8![Allegiant Air logo]()
$258
This Jetabroad deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:13 am -
Nonstop2h 14m
Mon 9/218:00 am -
Nonstop2h 23m
Deal found 9/10![Allegiant Air logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Thu 10/12:19 pm -
Nonstop2h 16m
Sun 10/411:30 am -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Sun 10/41:48 pm -
Nonstop2h 16m
Thu 10/812:01 pm -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:48 pm -
Nonstop2h 16m
Mon 10/267:20 am -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$228
This Booking.com deal was found by Cheapflights users on 9/8. 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 10/3010:48 am -
Nonstop2h 16m
Mon 11/27:20 am -
Nonstop2h 28m
Deal found 9/8![Allegiant Air logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:20 pm -
2 stops20h 45m
Mon 11/27:20 am -
Nonstop2h 28m
Deal found 9/11![Multiple Airlines logo]()
$243
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 September 13, 2026.
Search for one-way flight options from Austin to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:29 am -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$42
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:29 am -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Allegiant Air logo]()
$53
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:48 am -
Nonstop2h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Allegiant Air logo]()
$55
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Mon 12/1410:29 am -
Nonstop2h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:18 am -
Nonstop2h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Allegiant Air logo]()
$72
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:48 pm -
Nonstop2h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Allegiant Air logo]()
$108
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:19 pm -
Nonstop2h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Allegiant Air logo]()
$119
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $98 (CheapOair) |
One-way from | $42 (CheapOair) |
Popular in | April |
Cheapest in | December |
Average price | $328 |
Good round-trip deal | $135 or less |
Good one-way deal | $85 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 7,457,451 searches. Data last updated September 13, 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 Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Mon 12/14
10:29 am-1:43 pm
Nonstop2h 14m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$64
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Tue 10/6
5:20 am-10:54 am
1 stop4h 34m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Mon 11/9
5:20 am-11:28 am
1 stop5h 08m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Thu 10/1
6:35 pm-11:55 pm
1 stop4h 20m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Tue 12/8
6:25 am-11:27 am
1 stop4h 02m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Mon 12/7
6:44 pm-11:57 pm
1 stop4h 13m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Sat 12/12
3:05 pm-8:14 pm
1 stop4h 09m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Fri 12/11
12:10 pm-6:31 pm
1 stop5h 21m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Sat 10/3
9:40 am-12:55 pm
Nonstop2h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
AustinKnoxville
AUS Austin Bergstrom - TYS Knoxville McGhee Tyson
AUSTYS
Austin Bergstrom
Wed 10/7
5:20 am-10:54 am
1 stop4h 34m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
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 September.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 48 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 $185). Flying from Austin to Knoxville in April is currently the most expensive (average of $392). 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 September 13, 2026.
It’s optimal to fly from Austin to Knoxville in the morning. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the evening.
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 September 13, 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
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Entertainment
7.5
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
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Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
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Top 5 airlines flying from Austin to Knoxville
Discover the top 5 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$192 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$159 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$367 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$377 | FlexibilityNo cancel fee | On-time63% |