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$61+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TYS
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheapflights Tip: 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 Monday or Saturday and return on a Thursday

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 April 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$99
(FlightHub)

One-way from

$68
(Booking.com)

Popular in

December

Cheapest in

August

Average price

$298

Good round-trip deal

$98 or less

Good one-way deal

$53 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. 6% potential increase in price ($20 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 April 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 April 25, 2025.

This Booking.com deal was found by Cheapflights users on 4/23. 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.
Fri 7/189:05 amAUS - TYS
Nonstop2h 17mAllegiant Air
Mon 7/216:55 amTYS - AUS
Nonstop2h 20mAllegiant Air
Deal found 4/23$105
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/245:00 amAUS - TYS
1 stop5h 44mAmerican Airlines
Sat 5/316:28 pmTYS - AUS
1 stop6h 21mAmerican Airlines
Deal found 4/24$199
This Mytrip deal was found by Cheapflights users on 4/24. 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 5/193:28 pmAUS - TYS
Nonstop2h 17mMultiple Airlines
Mon 5/266:00 amTYS - AUS
2 stops42h 03mMultiple Airlines
Deal found 4/24$201
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 5/284:59 pmAUS - TYS
1 stop5h 52mDelta
Sat 5/315:45 amTYS - AUS
1 stop6h 13mDelta
Deal found 4/24$217
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/95:41 pmAUS - TYS
1 stop5h 05mUnited Airlines
Mon 5/127:00 amTYS - AUS
1 stop6h 01mUnited Airlines
Deal found 4/25$259
This Frontier deal was found by Cheapflights users on 4/24. 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.
Sun 5/256:00 amAUS - TYS
1 stop9h 35mFrontier
Sun 6/15:25 pmTYS - AUS
1 stop7h 23mFrontier
Deal found 4/24$261

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 April 25, 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 7/7

9:05 am-12:22 pm

Nonstop2h 17m

Knoxville McGhee Tyson

Mon 7/14

6:55 am-8:15 am

Nonstop2h 20m

$99

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 5/23

7:25 pm-10:55 pm

1 stop26h 30m

Knoxville McGhee Tyson

Fri 5/30

11:06 am-12:38 pm

Nonstop2h 32m

$180

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sat 5/24

5:00 am-11:44 am

1 stop5h 44m

Knoxville McGhee Tyson

Sat 5/31

6:28 pm-11:49 pm

1 stop6h 21m

$199

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Wed 5/28

2:30 pm-9:20 pm

1 stop5h 50m

Knoxville McGhee Tyson

Thu 5/29

5:45 am-9:33 am

1 stop4h 48m

$217

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sun 5/25

6:00 am-4:35 pm

1 stop9h 35m

Knoxville McGhee Tyson

Sun 6/1

5:25 pm-11:48 pm

1 stop7h 23m

$261

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sat 5/10

2:06 pm-11:07 pm

2 stops8h 01m

Knoxville McGhee Tyson

Sun 5/11

7:05 am-10:41 am

1 stop4h 36m

$278

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 9/26

2:57 pm-6:10 pm

Nonstop2h 13m

$61

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Thu 5/29

5:40 am-1:19 pm

1 stop6h 39m

$109

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Thu 5/15

7:25 pm-12:16 pm

1 stop15h 51m

$113

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Thu 6/12

6:00 am-4:29 pm

1 stop9h 29m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 13 results
1
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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 April 18, 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 $296). 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 April 25, 2025.

It’s optimal to fly from Austin to Knoxville in the afternoon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

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 30, 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 April 25, 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
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 $99, was found to be the cheapest airline from Austin to Knoxville.Alternate airlines to your destination round-trip include American Airlines and Delta. You may be able to fly from Austin to Knoxville for 65% less than the average price by searching for these airlines.

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

    $68 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 $109 and $157, 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 $111, our data indicates the cheapest price to be $36. The most popular route (Austin Bergstrom - Knoxville McGhee Tyson), is priced around $87.

  • 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 $296). 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$85Average$172FlexibilityNo cancel feeOn-time88%
DeltaCheapest$219Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$219Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$380FlexibilityNo cancel feeOn-time69%

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