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$72+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
déc. 4 — déc. 111
jeu. 12/4
jeu. 12/11
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Knoxville McGhee Tyson are usually found in October or August, booked 70 days in advance, depart on a Saturday or Monday and return on a Tuesday

Cheap flight deals from Austin to Knoxville

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 novembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$155
(Cheapflightsfares)

One-way from

$72
(Frontier)

Popular in

December

Cheapest in

October

Average price

$305

Good round-trip deal

$195 or less

Good one-way deal

$75 or less
Provider with most accurate pricing for Austin Bergstrom-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Knoxville McGhee Tyson flights.
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From Austin Bergstrom to Knoxville McGhee Tyson
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One-way flight from Austin Bergstrom to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Austin Bergstrom to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Austin Bergstrom to Knoxville McGhee Tyson.
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Find flight deals from Austin to Knoxville

Cheapest flights from Austin to Knoxville
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 novembre 4, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/54:05 pmAUS - TYS
Nonstop2h 09mAllegiant Air
lun. 12/81:41 pmTYS - AUS
Nonstop2h 34mAllegiant Air
Deal found 11/2$155
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/17:44 pmAUS - TYS
Nonstop2h 08mAllegiant Air
lun. 12/81:41 pmTYS - AUS
Nonstop2h 34mAllegiant Air
Deal found 11/1$163
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
mer. 12/36:45 amAUS - TYS
1 stop29h 26mMultiple Airlines
lun. 12/81:41 pmTYS - AUS
Nonstop2h 34mMultiple Airlines
Deal found 11/1$176
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/54:05 pmAUS - TYS
Nonstop2h 09mMultiple Airlines
lun. 12/84:52 pmTYS - AUS
1 stop8h 22mMultiple Airlines
Deal found 11/3$181
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
lun. 12/17:44 pmAUS - TYS
Nonstop2h 08mAllegiant Air
ven. 12/51:41 pmTYS - AUS
Nonstop2h 34mAllegiant Air
Deal found 11/1$184
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
mar. 12/26:10 amAUS - TYS
1 stop28h 53mMultiple Airlines
ven. 12/51:41 pmTYS - AUS
Nonstop2h 34mMultiple Airlines
Deal found 11/1$194
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
mar. 12/26:10 amAUS - TYS
1 stop28h 53mMultiple Airlines
lun. 12/81:41 pmTYS - AUS
Nonstop2h 34mMultiple Airlines
Deal found 11/1$198
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
mer. 12/36:45 amAUS - TYS
1 stop29h 26mMultiple Airlines
jeu. 12/114:52 pmTYS - AUS
1 stop8h 22mMultiple Airlines
Deal found 11/1$204
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
sam. 11/157:45 amAUS - TYS
1 stop28h 59mMultiple Airlines
lun. 11/1712:50 pmTYS - AUS
Nonstop2h 39mMultiple Airlines
Deal found 11/4$207
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
jeu. 12/186:45 amAUS - TYS
1 stop7h 46mMultiple Airlines
lun. 12/224:23 pmTYS - AUS
Nonstop2h 34mMultiple Airlines
Deal found 11/2$209
This Frontier deal was found by Cheapflights users on 11/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/296:45 amAUS - TYS
1 stop11h 25mFrontier
jeu. 12/114:52 pmTYS - AUS
1 stop8h 22mFrontier
Deal found 11/1$210
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/173:19 pmAUS - TYS
Nonstop2h 04mMultiple Airlines
mar. 12/26:33 pmTYS - AUS
2 stops54h 41mMultiple Airlines
Deal found 11/3$212

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 novembre 4, 2025.
Use the filters below to find and compare flights from Austin to Knoxville that are best for you.

Fly from

Austin

Fly to

Knoxville

Route

Depart

Return

Price

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

sam. 11/15

7:45 am-1:44 pm

1 stop28h 59m

Knoxville McGhee Tyson

lun. 11/17

12:50 pm-2:29 pm

Nonstop2h 39m

$207

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

ven. 11/14

3:19 pm-6:23 pm

Nonstop2h 04m

Knoxville McGhee Tyson

lun. 11/17

9:09 pm-10:49 pm

1 stop26h 40m

$218

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

lun. 12/1

7:44 pm-10:52 pm

Nonstop2h 08m

Knoxville McGhee Tyson

jeu. 12/11

4:52 pm-12:14 am

1 stop8h 22m

$226

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

lun. 11/17

3:19 pm-6:23 pm

Nonstop2h 04m

Knoxville McGhee Tyson

mer. 11/26

6:46 pm-9:14 am

1 stop15h 28m

$250

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

ven. 11/14

3:19 pm-6:23 pm

Nonstop2h 04m

Knoxville McGhee Tyson

dim. 11/16

7:00 am-9:42 am

1 stop27h 42m

$251

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

sam. 12/13

1:42 pm-8:10 pm

1 stop5h 28m

Knoxville McGhee Tyson

mar. 12/16

8:35 am-2:19 pm

1 stop6h 44m

$259

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mar. 12/2

6:40 am-1:44 pm

1 stop6h 04m

Knoxville McGhee Tyson

mar. 12/9

5:40 am-11:15 am

1 stop6h 35m

$259

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mer. 12/3

8:00 am-1:44 pm

1 stop4h 44m

Knoxville McGhee Tyson

sam. 12/6

8:35 am-12:37 pm

1 stop5h 02m

$259

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mer. 12/3

8:00 am-1:44 pm

1 stop4h 44m

Knoxville McGhee Tyson

mer. 12/10

5:40 am-9:50 am

1 stop5h 10m

$259

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

jeu. 11/13

6:00 am-6:22 pm

1 stop11h 22m

Knoxville McGhee Tyson

dim. 11/16

7:07 pm-12:32 am

1 stop6h 25m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 21 results
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Knoxville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Knoxville. Price data was last updated on October 31, 2025.

The best time to book flights from Austin to Knoxville is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Austin to Knoxville?

Currently, September is the cheapest month in which you can book a flight from Austin to Knoxville (average of $79). Flying from Austin to Knoxville in January is currently the most expensive (average of $125). 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 novembre 4, 2025.

It’s optimal to fly from Austin to Knoxville in the evening. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Austin to Knoxville?

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 novembre 4, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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.
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,002 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
696 reviews
Delta
7.9
Good
8,003 reviews

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What are the cheapest airlines flying from Austin to Knoxville round-trip?

    Allegiant Air, at $85, was found to be the cheapest airline from Austin to Knoxville.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Austin to Knoxville for 70% less than the average price by searching for these airlines.

  • What are the cheapest flights from Austin to Knoxville?

    Looking for the cheapest flight from Austin to Knoxville? While on average our users pay $190, our data indicates the cheapest price to be $57. The most popular route (Austin Bergstrom - Knoxville McGhee Tyson), is priced around $106.

  • Can I find deals for flights from Austin to Knoxville that include hotel bookings?

    Yes. In addition to deals on Austin to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Knoxville.

  • Can I find deals for business class flights from Austin to Knoxville?

    Yes. Cheapflights offers flight deals from Austin to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Knoxville?

    Currently, September is the cheapest month in which you can book a flight from Austin to Knoxville (average of $79). Flying from Austin to Knoxville in January is currently the most expensive (average of $125). 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.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Austin to Knoxville

Discover the top 4 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 novembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$85Average$188FlexibilityNo cancel feeOn-time88%
DeltaCheapest$172Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$174Average$382FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$223Average$342FlexibilityNo cancel feeOn-time71%

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