$44+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — AUS
Sep 12 — Sep 191
Round-trip
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 June or December, booked 64 days in advance, depart on a Tuesday or Monday and return on a Monday
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 August 13, 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 August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/118:00 am -
Nonstop2h 23m
Mon 9/1410:13 am -
Nonstop2h 14m
Deal found 8/8![Allegiant Air logo]()
$81
This CheapOair deal was found by Cheapflights users on 8/10. 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 10/112:01 pm -
Nonstop2h 28m
Sun 10/41:48 pm -
Nonstop2h 16m
Deal found 8/10![Allegiant Air logo]()
$88
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:00 am -
Nonstop2h 23m
Mon 9/2810:13 am -
Nonstop2h 14m
Deal found 8/12![Allegiant Air logo]()
$90
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:00 am -
Nonstop2h 23m
Mon 9/2810:13 am -
Nonstop2h 14m
Deal found 8/11![Allegiant Air logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am -
Nonstop2h 23m
Mon 9/1410:13 am -
Nonstop2h 14m
Deal found 8/10![Allegiant Air logo]()
$98
This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:30 am -
Nonstop2h 20m
Fri 8/2810:40 am -
Nonstop2h 21m
Deal found 8/10![Allegiant Air logo]()
$100
This CheapOair deal was found by Cheapflights users on 8/8. 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 9/188:00 am -
Nonstop2h 23m
Mon 9/2110:13 am -
Nonstop2h 14m
Deal found 8/8![Allegiant Air logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am -
Nonstop2h 36m
Mon 8/2410:40 am -
Nonstop2h 21m
Deal found 8/10![Allegiant Air logo]()
$145
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 August 13, 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 August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/118:00 am -
Nonstop2h 23m
Mon 9/1410:58 am -
1 stop8h 41m
Deal found 8/9![Multiple Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 10/2110:42 am -
2 stops7h 57m
Sat 10/244:15 pm -
1 stop4h 40m
Deal found 8/10![United Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:05 pm -
2 stops8h 50m
Mon 9/145:30 am -
1 stop6h 55m
Deal found 8/10![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 8/12. 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.
Fri 9/253:15 pm -
Nonstop2h 35m
Sun 9/2712:45 pm -
Nonstop2h 25m
Deal found 8/12![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 8/7. 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 9/247:10 am -
2 stops7h 50m
Sat 9/266:10 am -
2 stops6h 05m
Deal found 8/7![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 10/306:45 am -
2 stops9h 36m
Sun 11/15:15 am -
1 stop4h 57m
Deal found 8/10![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 8/12. 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.
Tue 10/68:20 am -
1 stop7h 05m
Sat 10/109:40 am -
Nonstop2h 15m
Deal found 8/12![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/296:45 am -
2 stops9h 36m
Sun 11/15:15 am -
1 stop4h 57m
Deal found 8/8![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Fri 8/287:15 am -
1 stop4h 51m
Mon 8/315:30 am -
1 stop6h 50m
Deal found 8/12![United Airlines logo]()
$475
Last-minute flights from Knoxville to AustinDiscover last-minute flight deals from Knoxville to Austin. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Austin. Data last updated August 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am -
Nonstop2h 36m
Mon 8/2410:40 am -
Nonstop2h 21m
Deal found 8/10![Allegiant Air logo]()
$145
This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:30 am -
Nonstop2h 20m
Fri 8/2810:40 am -
Nonstop2h 21m
Deal found 8/10![Allegiant Air logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:30 am -
Nonstop2h 20m
Mon 8/3110:55 am -
1 stop7h 08m
Deal found 8/10![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am -
Nonstop2h 23m
Mon 9/1410:13 am -
Nonstop2h 14m
Deal found 8/10![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/118:00 am -
Nonstop2h 23m
Mon 9/1410:13 am -
Nonstop2h 14m
Deal found 8/8![Allegiant Air logo]()
$81
This CheapOair deal was found by Cheapflights users on 8/8. 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 9/188:00 am -
Nonstop2h 23m
Mon 9/2110:13 am -
Nonstop2h 14m
Deal found 8/8![Allegiant Air logo]()
$105
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:00 am -
Nonstop2h 23m
Mon 9/2810:13 am -
Nonstop2h 14m
Deal found 8/12![Allegiant Air logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/214:18 pm -
1 stop18h 45m
Mon 9/2810:13 am -
Nonstop2h 14m
Deal found 8/12![Multiple Airlines logo]()
$179
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:00 am -
Nonstop2h 23m
Mon 9/2810:13 am -
Nonstop2h 14m
Deal found 8/11![Allegiant Air logo]()
$94
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 August 13, 2026.
Search for one-way flight options from Knoxville to Austin. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Super.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/118:00 am -
Nonstop2h 23m
Deal found 8/12![Allegiant Air logo]()
$44
This Jetabroad deal was found by Cheapflights users on 8/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:00 am -
Nonstop2h 23m
Deal found 8/11![Allegiant Air logo]()
$47
This Booking.com deal was found by Cheapflights users on 8/11. 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.
Thu 10/112:01 pm -
Nonstop2h 28m
Deal found 8/11![Allegiant Air logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 10/812:01 pm -
Nonstop2h 28m
Deal found 8/9![Allegiant Air logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/148:00 am -
Nonstop2h 23m
Deal found 8/12![Allegiant Air logo]()
$61
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:30 am -
Nonstop2h 28m
Deal found 8/11![Allegiant Air logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 11/98:30 am -
Nonstop2h 28m
Deal found 8/9![Allegiant Air logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
Nonstop2h 28m
Deal found 8/10![Allegiant Air logo]()
$78
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $81 (Kiwi.com) |
One-way from | $44 (Super.com) |
Popular in | February |
Cheapest in | June |
Average price | $338 |
Good round-trip deal | $110 or less |
Good one-way deal | $85 or less |
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 August 13, 2026.
Use the filters below to find and compare flights from Knoxville to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Fri 9/11
8:00 am-9:23 am
Nonstop2h 23m
Austin Bergstrom
Mon 9/14
10:58 am-8:39 pm
1 stop8h 41m
$209
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Wed 10/21
10:42 am-5:39 pm
2 stops7h 57m
Austin Bergstrom
Sat 10/24
4:15 pm-9:55 pm
1 stop4h 40m
$264
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Fri 9/4
2:05 pm-9:55 pm
2 stops8h 50m
Austin Bergstrom
Mon 9/14
5:30 am-1:25 pm
1 stop6h 55m
$302
Quickest round-trip
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Fri 9/25
3:15 pm-4:50 pm
Nonstop2h 35m
Austin Bergstrom
Sun 9/27
12:45 pm-4:10 pm
Nonstop2h 25m
$335
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Thu 9/24
7:10 am-2:00 pm
2 stops7h 50m
Austin Bergstrom
Sat 9/26
6:10 am-1:15 pm
2 stops6h 05m
$335
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Tue 10/6
8:20 am-2:25 pm
1 stop7h 05m
Austin Bergstrom
Sat 10/10
9:40 am-12:55 pm
Nonstop2h 15m
$398
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Fri 10/30
6:45 am-3:21 pm
2 stops9h 36m
Austin Bergstrom
Sun 11/1
5:15 am-11:12 am
1 stop4h 57m
$454
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Thu 10/29
6:45 am-3:21 pm
2 stops9h 36m
Austin Bergstrom
Sun 11/1
5:15 am-11:12 am
1 stop4h 57m
$454
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Fri 8/28
7:15 am-11:06 am
1 stop4h 51m
Austin Bergstrom
Mon 8/31
5:30 am-1:20 pm
1 stop6h 50m
$475
Cheapest one-way
KnoxvilleAustin
TYS Knoxville McGhee Tyson - AUS Austin Bergstrom
TYSAUS
Knoxville McGhee Tyson
Sat 9/12
5:40 am-10:00 am
1 stop5h 20m
$115
Showing 1-10 of 21 resultsSorted by cheapest first
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 August.
| 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 | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- 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?
Booking 63 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, June is the cheapest month in which you can book a flight from Knoxville to Austin (average of $197). Flying from Knoxville to Austin in February is currently the most expensive (average of $384). 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 August 13, 2026.
One of the essential ways to save on airfare from Knoxville to Austin is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 68% 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 August 13, 2026.
Read through reviews of airlines operating flights from Knoxville to Austin, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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Knoxville and Austin flights
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Top 6 airlines flying from Knoxville to Austin
Discover the top 6 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$390 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$86 | Average$156 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$214 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$233 | Average$328 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$375 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$367 | FlexibilityNo cancel fee | On-time63% |