$44+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
Sep 2 — Sep 91
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 July, booked 70 days in advance, depart on a Monday or Thursday 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 August 3, 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 August 3, 2026.
This CheapOair deal was found by Cheapflights users on 7/30. 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 8/178:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Fri 8/218:30 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$71
This Super.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Fri 8/288:30 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/3. 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 8/178:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 8/318:00 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 8/3![Allegiant Air logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 7/30![Allegiant Air logo]()
$87
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/218:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 8/1![Allegiant Air logo]()
$89
This CheapOair deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/148:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$90
This CheapOair deal was found by Cheapflights users on 7/30. 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
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Fri 9/188:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/218:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$92
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 August 3, 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 August 3, 2026.
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:07 pm
AUS
- TYS
1 stop5h 48m
Delta
Mon 10/55:40 am
TYS
- AUS
1 stop4h 40m
Delta
Deal found 8/2![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:33 pm
AUS
- TYS
1 stop6h 16m
United Airlines
Fri 9/116:00 am
TYS
- AUS
2 stops10h 26m
United Airlines
Deal found 7/31![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 7/30. 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 10/95:25 pm
AUS
- TYS
1 stop4h 15m
Southwest
Sat 10/241:30 pm
TYS
- AUS
Nonstop2h 40m
Southwest
Deal found 7/30![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 7/30. 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 9/186:35 pm
AUS
- TYS
1 stop4h 20m
Delta
Sun 9/205:40 am
TYS
- AUS
1 stop4h 40m
Delta
Deal found 7/30![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 7/30. 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 10/91:40 pm
AUS
- TYS
2 stops8h 00m
Southwest
Tue 10/137:15 am
TYS
- AUS
2 stops5h 30m
Southwest
Deal found 7/30![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:30 am
AUS
- TYS
2 stops10h 28m
United Airlines
Wed 9/27:00 am
TYS
- AUS
2 stops9h 26m
United Airlines
Deal found 7/31![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/29. 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 9/56:00 am
AUS
- TYS
1 stop6h 15m
Southwest
Mon 9/77:10 am
TYS
- AUS
2 stops6h 30m
Southwest
Deal found 7/29![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/277:00 am
AUS
- TYS
2 stops12h 53m
United Airlines
Sun 8/307:00 am
TYS
- AUS
2 stops9h 26m
United Airlines
Deal found 7/29![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:30 am
AUS
- TYS
2 stops5h 50m
Southwest
Fri 10/27:15 am
TYS
- AUS
2 stops5h 35m
Southwest
Deal found 7/31![Southwest logo]()
$456
This Southwest deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
AUS
- TYS
2 stops5h 00m
Southwest
Sun 9/135:55 pm
TYS
- AUS
2 stops5h 40m
Southwest
Deal found 8/1![Southwest logo]()
$476
Last-minute flights from Austin to KnoxvilleDiscover last-minute flight deals from Austin to Knoxville. Data last updated August 3, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Knoxville. Data last updated August 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/30. 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 8/178:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Fri 8/218:30 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$71
This Super.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Fri 8/288:30 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/3. 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 8/178:56 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Mon 8/318:00 am
TYS
- AUS
Nonstop2h 20m
Allegiant Air
Deal found 8/3![Allegiant Air logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 7/30![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/218:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$92
This CheapOair deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/148:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$90
This CheapOair deal was found by Cheapflights users on 7/30. 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
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Fri 9/188:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$91
This Booking.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Mon 9/218:00 am
TYS
- AUS
Nonstop2h 23m
Allegiant Air
Deal found 8/1![Allegiant Air logo]()
$89
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 August 3, 2026.
Search for one-way flight options from Austin to Knoxville. Find affordable one-way fares based on user searches. Data last updated August 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/3110:10 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$44
This Cheapflightsfares deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$45
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/2810:40 am
AUS
- TYS
Nonstop2h 21m
Allegiant Air
Deal found 7/30![Allegiant Air logo]()
$50
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:48 am
AUS
- TYS
Nonstop2h 16m
Allegiant Air
Deal found 8/1![Allegiant Air logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Deal found 8/1![Allegiant Air logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:48 pm
AUS
- TYS
Nonstop2h 16m
Allegiant Air
Deal found 8/2![Allegiant Air logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:19 pm
AUS
- TYS
Nonstop2h 16m
Allegiant Air
Deal found 7/31![Allegiant Air logo]()
$73
This CheapOair deal was found by Cheapflights users on 7/29. 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 9/1810:13 am
AUS
- TYS
Nonstop2h 14m
Allegiant Air
Deal found 7/29![Allegiant Air logo]()
$75
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 August 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $71 (CheapOair) |
One-way from | $44 (Kiwi.com) |
Popular in | April |
Cheapest in | December |
Average price | $293 |
Good round-trip deal | $132 or less |
Good one-way deal | $177 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 August 3, 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
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 10/2
5:07 pm-11:55 pm
1 stop5h 48m
Knoxville McGhee Tyson
Mon 10/5
5:40 am-9:20 am
1 stop4h 40m
$336
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 9/18
6:35 pm-11:55 pm
1 stop4h 20m
Knoxville McGhee Tyson
Sun 9/20
5:40 am-9:20 am
1 stop4h 40m
$368
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Thu 9/10
3:33 pm-10:49 pm
1 stop6h 16m
Knoxville McGhee Tyson
Fri 9/11
6:00 am-3:26 pm
2 stops10h 26m
$392
Quickest round-trip
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 10/9
5:25 pm-10:40 pm
1 stop4h 15m
Knoxville McGhee Tyson
Sat 10/24
1:30 pm-3:10 pm
Nonstop2h 40m
$426
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Fri 10/9
1:40 pm-10:40 pm
2 stops8h 00m
Knoxville McGhee Tyson
Tue 10/13
7:15 am-11:45 am
2 stops5h 30m
$433
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Sat 9/5
6:00 am-1:15 pm
1 stop6h 15m
Knoxville McGhee Tyson
Mon 9/7
7:10 am-12:40 pm
2 stops6h 30m
$433
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Sun 8/30
5:30 am-4:58 pm
2 stops10h 28m
Knoxville McGhee Tyson
Wed 9/2
7:00 am-3:26 pm
2 stops9h 26m
$437
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Mon 9/28
5:30 am-12:20 pm
2 stops5h 50m
Knoxville McGhee Tyson
Fri 10/2
7:15 am-11:50 am
2 stops5h 35m
$456
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Thu 9/10
6:20 am-12:20 pm
2 stops5h 00m
Knoxville McGhee Tyson
Sun 9/13
5:55 pm-10:35 pm
2 stops5h 40m
$476
AustinKnoxville
AUS - TYS
AUSTYS
Austin Bergstrom
Thu 8/27
7:00 am-8:53 pm
2 stops12h 53m
Knoxville McGhee Tyson
Sun 8/30
7:00 am-3:26 pm
2 stops9h 26m
$484
Showing 1-10 of 21 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 August.
| 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*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 69 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 $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 August 3, 2026.
It’s optimal to fly from Austin to Knoxville in the morning. By choosing this option you can save up to 52% 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 August 3, 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.
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
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.
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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 August 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$111 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$188 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$125 | Average$389 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$194 | Average$343 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$373 | FlexibilityNo cancel fee | On-time63% |