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Knoxville

$68+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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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

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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:24 amAUS - TYS
Nonstop2h 09mMultiple Airlines
Sun 1/47:15 amTYS - AUS
1 stop27h 32mMultiple Airlines
Deal found 12/16$271
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:45 amAUS - TYS
1 stop7h 46mFrontier
Thu 12/254:26 pmTYS - AUS
1 stop8h 48mFrontier
Deal found 12/17$393
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:55 amAUS - TYS
1 stop29h 16mMultiple Airlines
Fri 12/194:14 pmTYS - AUS
Nonstop2h 34mMultiple Airlines
Deal found 12/15$434
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:55 amAUS - TYS
1 stop29h 16mMultiple Airlines
Wed 12/246:00 amTYS - AUS
Nonstop2h 34mMultiple Airlines
Deal found 12/16$443
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/1812:15 pmAUS - TYS
2 stops9h 24mUnited Airlines
Thu 12/257:00 amTYS - AUS
1 stop6h 56mUnited Airlines
Deal found 12/17$476
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:24 amAUS - TYS
Nonstop2h 09mMultiple Airlines
Fri 12/266:00 amTYS - AUS
2 stops19h 58mMultiple Airlines
Deal found 12/14$502
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:24 amAUS - TYS
Nonstop2h 09mMultiple Airlines
Sun 12/2810:04 pmTYS - AUS
1 stop24h 53mMultiple Airlines
Deal found 12/15$514
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:59 pmAUS - TYS
1 stop4h 43mUnited Airlines
Sat 1/36:45 amTYS - AUS
1 stop6h 18mUnited Airlines
Deal found 12/15$527

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$162
(Priceline)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$279

Good round-trip deal

$147 or less

Good one-way deal

$127 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
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Austin Bergstrom to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Austin Bergstrom to Knoxville McGhee Tyson.
Search Deals

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 December 18, 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

Mon 1/5

6:45 am-3:51 pm

1 stop8h 06m

Knoxville McGhee Tyson

Thu 1/8

4:23 pm-12:16 am

1 stop8h 53m

$162

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Mon 1/5

1:46 pm-4:55 pm

Nonstop2h 09m

Knoxville McGhee Tyson

Thu 1/8

7:26 pm-10:34 am

3 stops40h 08m

$198

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 1/9

7:25 am-7:56 pm

2 stops11h 31m

Knoxville McGhee Tyson

Mon 1/12

8:30 am-9:35 pm

1 stop14h 05m

$234

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Tue 1/13

3:03 pm-9:21 pm

1 stop5h 18m

Knoxville McGhee Tyson

Tue 1/20

5:36 pm-12:38 am

1 stop8h 02m

$242

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sun 1/4

6:00 am-11:09 pm

1 stop16h 09m

Knoxville McGhee Tyson

Tue 1/6

7:22 pm-12:58 am

1 stop6h 36m

$275

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Mon 1/12

5:50 am-5:28 pm

2 stops10h 38m

Knoxville McGhee Tyson

Mon 1/19

7:15 am-4:04 pm

3 stops33h 49m

$298

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 1/16

7:25 am-5:28 pm

2 stops9h 03m

Knoxville McGhee Tyson

Fri 1/30

8:30 am-11:24 pm

2 stops15h 54m

$299

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 2/27

11:34 am-8:46 pm

1 stop8h 12m

Knoxville McGhee Tyson

Mon 3/2

2:06 pm-4:04 pm

1 stop26h 58m

$306

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Thu 1/15

1:45 pm-8:52 pm

1 stop6h 07m

Knoxville McGhee Tyson

Sat 1/31

11:07 am-7:55 pm

2 stops9h 48m

$312

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Tue 3/17

8:00 am-4:33 pm

1 stop7h 33m

Knoxville McGhee Tyson

Thu 3/19

5:01 pm-10:25 pm

1 stop6h 24m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 18 results
1
2

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 December.
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 December 12, 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 $80). Flying from Austin to Knoxville in January is currently the most expensive (average of $126). 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 December 18, 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.

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 December 18, 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
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

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
9,091 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

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
11,054 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

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
700 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

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.

  • How long is the flight from Austin to Knoxville?

    Frontier and American Airlines can get you from Austin to Knoxville in just under 5h 18m. Your travel time can differ by up to 2h 48m. Austin and Knoxville are separated by a distance of 881 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Allegiant Air, at $82, 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 71% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Austin to Knoxville one-way?

    $45 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $99 and $99, respectively.

  • What are the cheapest flights from Austin to Knoxville?

    Looking for the cheapest flight from Austin to Knoxville? While on average our users pay $204, our data indicates the cheapest price to be $52. The most popular route (Austin Bergstrom - Knoxville McGhee Tyson), is priced around $185.

  • 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 $80). Flying from Austin to Knoxville in January is currently the most expensive (average of $126). 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
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Austin to Knoxville

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$85Average$182FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$194Average$374FlexibilityNo cancel feeOn-time69%
DeltaCheapest$219Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$223Average$331FlexibilityNo cancel feeOn-time71%

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