AUS - TYS

$58 Find Cheap Flights from Austin to Knoxville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Austin to Knoxville departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Knoxville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Austin to Knoxville.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Austin to Knoxville.
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Everything you should know

Cheapest round-trip
$127
Overall average: $293
Allegiant Air
Fri 6/12Mon 6/15
AUS - TYS • Non-stop
Cheapest one-way
$58
Typical prices: $52-$301
Allegiant Air
Fri 8/7
AUS - TYS • Non-stop
Nonstop flights
Mon, Fri
You can fly direct with Allegiant Air. Average duration is 0
Direct flights
Direct flights
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Direct flights
Direct flights
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Top airlines
Cheapest • from $127 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Top layover airports
Cheapest • Avg $218 (round-trip)
Shortest trip • 4h 40m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Austin to Knoxville (AUS-TYS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Austin to Knoxville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Knoxville

Fri, Jun 12 - Mon, Jun 15
Allegiant Air Logo
8:38 am - 11:59 am
AUS
-
TYS
2h 21mnonstop
Allegiant Air Logo
6:30 am - 7:48 am
TYS
-
AUS
2h 18mnonstop
$127Allegiant Air
Fri, May 29 - Mon, Jun 1
Allegiant Air Logo
8:26 am - 11:37 am
AUS
-
TYS
2h 11mnonstop
Allegiant Air Logo
6:00 am - 7:36 am
TYS
-
AUS
2h 36mnonstop
$148Allegiant Air
Mon, Jun 1 - Mon, Jun 8
Allegiant Air Logo
8:26 am - 11:37 am
AUS
-
TYS
2h 11mnonstop
Allegiant Air Logo
7:25 am - 8:43 am
TYS
-
AUS
2h 18mnonstop
$150Allegiant Air
Fri, May 22 - Mon, May 25
Allegiant Air Logo
8:26 am - 11:37 am
AUS
-
TYS
2h 11mnonstop
Allegiant Air Logo
6:00 am - 7:36 am
TYS
-
AUS
2h 36mnonstop
$207Allegiant Air
Fri, May 22 - Mon, May 25
Allegiant Air Logo
8:26 am - 11:37 am
AUS
-
TYS
2h 11mnonstop
Allegiant Air Logo
6:00 am - 7:36 am
TYS
-
AUS
2h 36mnonstop
$213Allegiant Air
Mon, Jun 8 - Thu, Jun 18
Allegiant Air Logo
9:33 am - 12:54 pm
AUS
-
TYS
2h 21mnonstop
Allegiant Air Logo
1:01 pm - 6:42 pm
TYS
-
AUS
6h 41m
1 stop
$216Allegiant Air
Fri, Jun 12 - Mon, Jun 15
Allegiant Air Logo
8:38 am - 11:59 am
AUS
-
TYS
2h 21mnonstop
Allegiant Air Logo
12:49 pm - 7:01 pm
TYS
-
AUS
7h 12m
1 stop
$218Allegiant Air
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
8:26 am - 11:37 am
AUS
-
TYS
2h 11mnonstop
Multiple Airlines Logo
8:32 pm - 9:43 am
TYS
-
AUS
14h 11m
1 stop
$227Multiple Airlines
Thu, Jun 11 - Mon, Jun 15
Multiple Airlines Logo
6:00 am - 2:57 pm
AUS
-
TYS
7h 57m
1 stop
Multiple Airlines Logo
6:30 am - 7:48 am
TYS
-
AUS
2h 18mnonstop
$229Multiple Airlines
Sat, Apr 4 - Wed, Apr 8
Multiple Airlines Logo
4:59 pm - 11:39 pm
AUS
-
TYS
29h 40m
1 stop
Multiple Airlines Logo
4:25 pm - 12:24 am
TYS
-
AUS
8h 59m
1 stop
$231Multiple Airlines
Booking Insights

KAYAK's insights & trends for Austin to Knoxville flights

Get data-powered insights and trends into flights from Austin to Knoxville to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Austin to Knoxville?

The average price of all round-trip flights from Austin to Knoxville clicked on KAYAK for each day over the last 12 months.

For Austin to Knoxville, Sunday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Knoxville back to Austin, the best deals are generally found on Tuesday, with Saturday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Austin to Knoxville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Austin to Knoxville is December, where tickets cost $225 (return) on average. On the other hand, the most expensive months are February and March, where the average cost of round-trip tickets is $360 and $349 respectively.

Can I save money by flying with a layover from Austin to Knoxville?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $349, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Austin to Knoxville?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Austin to Knoxville, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Austin to Knoxville, you should book around 3 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$57
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Austin to Knoxville

When to book flights from Austin to Knoxville

Are your dates flexible? Find out the best times to travel from Austin to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Austin to Knoxville

  • Where can I get car rentals after landing at McGhee Tyson Airport in Knoxville?

    Car rentals offer the most convenient form of transport for travelers arriving at McGhee Tyson Airport in Knoxville who would like to connect to various destinations in the city. Enterprise car rental has an onsite office in the airport, which is located in the main terminal near the baggage claim.

  • Which kid-friendly amenities are available on flights from Austin to Knoxville?

    The kid-friendly entertainment offered by American Airlines is one of the reasons you should consider using the airline for your flight from Austin to Knoxville when traveling with your family and children. If you use Allegiant Airlines to fly from Austin to Knoxville, your kids are guaranteed to enjoy the company of their parents because the airline does not allow unaccompanied minors to travel on their own.

  • Which other cities does McGhee Tyson Airport serve apart from Knoxville?

    Located in Alcoa, 12 miles from Knoxville, McGhee Tyson Airport serves other cities such as Oak Ridge and Maryville. Travelers from Austin to Knoxville can, therefore, visit any of these cities after landing at McGhee Tyson Airport.

  • How can one move to Knoxville city center from McGhee Tyson Airport?

    Airport shuttles are the most convenient means of transport from McGhee Tyson Airport to Knoxville city center. Additionally, travelers can use rental cars from Enterprise and Budget to connect from the airport to the city center.

  • What is the cheapest flight from Austin to Knoxville?

    In the last 3 days, the lowest price for a flight from Austin to Knoxville was $58 for a one-way ticket and $127 for a round-trip.

  • Do I need a passport to fly between Austin and Knoxville?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Austin to Knoxville?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Austin to Knoxville flight route.

  • Which airline alliances offer flights from Austin to Knoxville?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Austin and Knoxville, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Knoxville from Austin?

    Dallas is the most popular layover city among KAYAK users traveling from Austin to Knoxville.

  • Which is the best airline for flights from Austin to Knoxville, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Austin to Knoxville are Southwest and Delta. With an average price for the route of $392 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $352 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Austin to Knoxville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Austin to Knoxville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Austin to Knoxville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville from Austin is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Austin to Knoxville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knoxville with an airline and back to Austin with another airline. Booking your flights between Austin and TYS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Austin to Knoxville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knoxville from Austin up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Austin to Knoxville

  • Looking for a cheap flight? 25% of our users found flights on this route for $76 or less one-way and $159 or less round-trip.
  • You can catch up conveniently with the earliest flight from Austin to Knoxville, if you spend the night at one of the hotels near the airport. Hampton Inn & Suites Austin-Airport, located 1.9 miles from the airport, is an ideal facility to keep you near the airport for convenient traveling.
  • The availability of various means of transport to AUS makes it the departure airport of choice among travelers leaving Austin to Knoxville despite other airports like The South Terminal at Austin- Bergstrom offering similar flights. You can use a taxi, rental car, bus, or airport shuttle to connect from the city center or downtown to connect to their airport before catching up with your flight to Knoxville.
  • Pet lovers have nothing to worry about when planning for their flights from Austin to Knoxville. The pet-friendly policy at AUS enables them to remain in the company of their favorite pet while traveling to Knoxville. According to this policy, ticketed passengers can have their registered pets with them. However, the passengers must ensure they remain in their carriers at all times.
  • Having the largest number of flights per day compared to the other airlines, American Airlines offers the most reliable flight services for travelers from AUS to McGhee Tyson Airport (TYS) in Knoxville. However, travelers can enjoy greater discounts and other exciting deals if they use Allegiant Airlines when flying from Austin to Knoxville.
  • Travelers with reduced mobility will enjoy curb-to-aircraft wheelchair services at AUS when seeking to board their flight to Knoxville. All airlines serving flights from Austin to Knoxville, including American Airlines, Allegiant Airlines, Frontier, and United Airlines, all have their staff available to offer assistance through the airport for those with mobility or visual impairment.

Prefer to fly direct from Austin to Knoxville?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Austin Bergstrom to Knoxville McGhee Tyson.
Find which airlines fly direct from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport, which days they fly and book direct flights.

Direct departures

Austin Bergstrom to Knoxville McGhee Tyson

Monday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

See more direct flights

Direct returns

Knoxville McGhee Tyson to Austin Bergstrom

Monday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

See more direct flights

Reviews of the top 5 airlines serving from Austin to Knoxville

 
See real verified KAYAK customer reviews for airlines flying from Austin to Knoxville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Austin to Knoxville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4320 reviews
7.5Entertainment
7.0Food
8.0Comfort
8.6Crew
8.1Boarding
Airline reviews

I elected to pay for the upgrades and found very little difference

6.0 GoodChris, Mar 2026
DAL - SAT
Read more Southwest reviews

I elected to pay for the upgrades and found very little difference

Flight was hours late, unable to sit next to spouse, I have had so much better experiences. Substantially better, only saving grace was that it was a short flight.

I was assigned seat 7E, yet my boarding was Group 5, which caused me to have to put my luggage in the back of the plance above `19 or 20 aisle, as passengers who had boarded earlier took the overhead bins in the front. SW needs to monitor bin space and ensure that bin space above the seat are aligned to those sitting near their seats. Also the seating assignments needs to align with group number. Maybe board those last first and so on? Having said the ALL the passengers on the plane were gracious enough to allow me and other passengers in this dilema to retrieve our luggage and helped us along the way. I always love the flight staff, as always their fantastic and I can't rave about them enough!

Great vacation. Can't wait till next year for another one.

The flight crew was extremely rude and especially not helpful when our flight was delayed.

Check-in, Boarding and flight were smooth. All the employees and crew was very nice and funny. They gave the kids crayons and workbooks to keep them occupied which was a big win. I’ve flown Southwest many times and that’s the first time I’ve seen that and it is a great addition.

Flight was on time. Wi-fi was a little spotty/slow. Boarding and exit were efficient.

Still a fan of open seating. Flight was on schedule and arrived on time. The 737 MAX is very comfortable.

Had to get off plane from prior flight even though I had to reboard same plane to continue to my final destination.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

Perhaps when you’re sitting in 1st class and the crew closes the bathroom for the pilots, there could be a notification other than holding your hands up as a blockade when you get there and you’re told the restrooms are closed please turn around … especially at night when visibility is poor and you’re met by a flight attendants with their arms up

First class is comfortable. Enjoyed a movie and was able to relax compared to coach.

Loved flying First Class. Very comfortable. The seat was amazing. Enjoyed a movie and was able to relax so much better than in coach.

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

The WiFi was not working. That made for a long flight.

Absolutely no communication on why there's a delay and multiple flight time reschedules. I would have canceled the flight and drove back home if I known it was going to be rescheduled 3 or 4 times.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Love delta smaller commuter plane so no entertainment and paid wifi on MKE-LGA leg was extremely unreliable and slow

Stop changing gates. Stop cancelling flights Stop moving my seat.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

Overall we had a good experience during our flight from San Francisco to Houston.

Airport terminal was outdated, flight was on a small jet with no wifi

Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.

The power at the seat didn't work and the seat itself was difficult to adjust - this was a business class seat. Flight attendant gave me miles to compensate. The attendant was very professional and on top of his game the entire flight.

Delayed, toilets did not flush, pilot parked to far away from Gate

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

I like flying first class, and United has a nice one

Unbelievably poor service from flight attendants. They didn’t even do water service on a four hour flight. Just disrespectful.

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Superb. Staff great. Great flight. As with other airlines, seating too tight and restrictive.

There is not one likable thing about this airline. It’s starts with the deceptive pricing and continues through the whole flight. The worst staff I’ve ever experienced way over priced bags absolutely no food or drink (unacceptable and you should be embarrassed) the seats are cramped and uncomfortable there is no entertainment there is nothing about this trash airline that constitutes any amount of money. It’s worse than spirit and way more expensive it is disgraceful. Do not travel with Allegiant I repeat do not bother no matter what they say the price is it is never ever going to be the right choice I’m mind blown at how awful the entire experience was I’m embarrassed that I chose so poorly I cannot reiterate enough how beyond horrible this company and its staff are, not one person on this flight or at the airport is qualified to sweep up trash on a city sidewalk they should certainly never be given any job that requires a brain or manners or communication with human beings, what a disgrace to the human race. Your criminal chiselers and should be put out to pasture

Great flight. Friendly staff. Free snacks and drinks would be nice. I would love fewer taxes and fees added on.

My 90 year old father flew with me. He needed wheel chair assistance and is nearly deaf. The staff was amazing with him.

It was fine. Nobody was outstandingly friendly but no one was rude and everything was smooth . The captain thanked us for flying but no one greeted me as I walked on the plane or as I exited which is the least they could do lol

Clean, friendly, roomy. But check-in from the phone link was terrible. Repeated attempts wouldn’t save at the final step. Just kept spinning! It was very frustrating. Finally, I used the app (vs website link) to check-in which worked very smoothly on the first attempt.

Check in on the web portal was cumbersome! After several attempts I finally got the boarding pass.

Excellent flight and even arrived 23 min early. No entertainment , or wi fi on board, but I downloaded a couple of movies beforehand which kept me entertained. Really like flying Allegiant airlines.

WE were delayed about an hour and never any communications from the employees working the gate. We also were moved to a total of three gates.

I love how they show love to their customers and care about them too.

Easy boarding. Rows are smaller but that may be an older and bigger me now :)

Check in was rough because the check in crew did not know how to manage my international visa documents. Required a long process and 4 people to finally be able to proceed to security. They told us incorrect information several times before acknowledging we did indeed have everything we needed from the start.

Poor communication ahead of time about flight delays and old planes/other equipment.

Mechanical issue delayed us 2hrs and then once we landed sat on tarmac for 30mins because someone left a vehicle in front of the gaye

The crew was excellent and overall the flight was good. No complaints.

Like all of the flights I took to get down to Dallas. They were delayed

Forced to check bags. Crew uninterested in collecting trash. Unclean seats.

Flight pulled out on time but sat on runway for 30 mins. It was extremely cold in the aircraft despite wearing a winter coat. Surprisingly they had a vegetarian meal but could have some better snack choices for a 8 hour flight.

We had a male flight attendant who was super attentive and wonderful! Very professional. I have both gluten and dairy intolerance, and was only able to get a gluten free part, and not the dairy free part of the meal. Easy to order ahead of time and I appreciate being able to do that.

It was a train wreck but on an airplane. First off, flight was delayed then we board only to hear two announcements, First weather delays in Orlando and second backup battery warning on emergency lights. After sitting on the plane for almost 2 hours they have us deplane due to the maintenance issue. We were told they were getting another plane. In the mean time, I notice another American- Orlando flight and ask the gate agent if I can switch. He says he cant help me and I'd have to walk to A13 from A37. Really!? I get down there and get a seat only to get an announcement my original flight was RE-boarding. The Then inflight there's no communication and I notice on flightaware were circling over the Gulf of America. I call the flight attendant and of course she has no clue and apparently 5m later the pilot finally tells us about another delay. Why does American always have these service and delay issues? They are my LAST choice in flights now!

Everything you need to know for your flight from Austin to Knoxville

Information on your arrival and departure airports