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$56+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
mar 13 — mar 201
qui 3/13
qui 3/20
1 adult, Economy
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The best prices from Austin Bergstrom to Knoxville McGhee Tyson are usually found in August or January, booked 55 days in advance, depart on a Saturday or Thursday and return on a Wednesday

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 março 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$86
(Cheapflightsfares)

One-way from

$56
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$308

Good round-trip deal

$142 or less

Good one-way deal

$82 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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 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 março 8, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/21:20 pmAUS - TYS
Nonstop2h 05mAllegiant Air
seg 5/510:53 amTYS - AUS
Nonstop2h 37mAllegiant Air
Deal found 3/7$86
This Mytrip deal was found by Cheapflights users on 3/6. 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.
qua 4/21:36 pmAUS - TYS
1 stop8h 12mMultiple Airlines
seg 4/76:00 amTYS - AUS
Nonstop2h 37mMultiple Airlines
Deal found 3/6$149
This United Airlines deal was found by Cheapflights users on 3/6. 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.
sáb 4/2612:45 pmAUS - TYS
1 stop8h 37mUnited Airlines
ter 4/295:25 pmTYS - AUS
1 stop6h 35mUnited Airlines
Deal found 3/6$199
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/235:30 amAUS - TYS
1 stop5h 33mDelta
qua 4/305:30 amTYS - AUS
1 stop6h 55mDelta
Deal found 3/7$217
This Frontier deal was found by Cheapflights users on 3/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 4/36:10 amAUS - TYS
1 stop8h 31mFrontier
qui 4/104:31 pmTYS - AUS
1 stop8h 02mFrontier
Deal found 3/7$220
This American Airlines deal was found by Cheapflights users on 3/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/26:17 pmAUS - TYS
1 stop4h 46mAmerican Airlines
dom 4/67:54 pmTYS - AUS
1 stop5h 00mAmerican Airlines
Deal found 3/6$224

Find flights from Austin to Knoxville within your budget

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 março 8, 2025.

Fly from

Austin

Fly to

Knoxville

Route

Depart

Return

Price

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

sex 5/2

1:20 pm-4:25 pm

Nonstop2h 05m

Knoxville McGhee Tyson

seg 5/5

10:53 am-12:30 pm

Nonstop2h 37m

$86

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

qua 4/2

1:36 pm-10:48 pm

1 stop8h 12m

Knoxville McGhee Tyson

seg 4/7

6:00 am-7:37 am

Nonstop2h 37m

$149

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

sáb 4/26

12:45 pm-10:22 pm

1 stop8h 37m

Knoxville McGhee Tyson

ter 4/29

5:25 pm-11:00 pm

1 stop6h 35m

$199

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

qua 4/23

5:30 am-12:03 pm

1 stop5h 33m

Knoxville McGhee Tyson

qua 4/30

5:30 am-11:25 am

1 stop6h 55m

$217

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

qui 4/3

6:10 am-3:41 pm

1 stop8h 31m

Knoxville McGhee Tyson

qui 4/10

4:31 pm-11:33 pm

1 stop8h 02m

$220

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

qua 4/2

6:17 pm-12:03 am

1 stop4h 46m

Knoxville McGhee Tyson

dom 4/6

7:54 pm-11:54 pm

1 stop5h 00m

$224

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

sex 4/4

8:27 am-11:32 am

Nonstop2h 05m

$56

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

sex 4/11

9:08 pm-10:21 pm

1 stop24h 13m

$122

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

qua 3/26

6:30 am-1:50 pm

1 stop6h 20m

$126

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

qui 3/20

6:10 am-3:23 pm

1 stop8h 13m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 13 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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.
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.

Travel insights for flights from Austin to Knoxville

Get recent, data-driven insights about flights from Austin to Knoxville including ideal travel times, pricing trends, and more.

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 February 28, 2025.

The best time to book flights from Austin to Knoxville is 55 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, January is the cheapest month in which you can book a flight from Austin to Knoxville (average of $297). Flying from Austin to Knoxville in March is currently the most expensive (average of $376). 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 março 8, 2025.

It’s optimal to fly from Austin to Knoxville in the afternoon. By choosing this option you can save up to 71% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Austin to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Austin to Knoxville. Price data was last updated on March 2, 2025.

Travelers seeking maximum savings on their Austin to Knoxville flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 março 8, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Austin to Knoxville. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,716 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,716 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,024 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,649 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Allegiant Air
7.3
Good
748 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,716 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $86, was found to be the cheapest airline from Austin to Knoxville.Alternate airlines to your destination round-trip include United Airlines and Delta. 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 airlines to fly from Austin to Knoxville one-way?

    $56 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 Delta and Frontier, with prices starting from $126 and $235, 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 $136, our data indicates the cheapest price to be $52. The most popular route (Austin Bergstrom - Knoxville McGhee Tyson), is priced around $90.

  • 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, January is the cheapest month in which you can book a flight from Austin to Knoxville (average of $297). Flying from Austin to Knoxville in March is currently the most expensive (average of $376). 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 Austin?

Book flights to Austin if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

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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 março 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$88Average$172FlexibilityNo cancel feeOn-time88%
DeltaCheapest$222Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$223Average$357FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$380FlexibilityNo cancel feeOn-time69%
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