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Cheap flights from Austin to Knoxville from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Knoxville departing on 6/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Austin to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$137Allegiant Air
Fri, May 29 - Mon, Jun 1
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
$151Allegiant Air
Fri, Jun 12 - Mon, Jun 15
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
Mon, May 25 - Fri, May 29
Multiple Airlines Logo
11:34 am - 11:27 pm
AUS
-
TYS
10h 53m
1 stop
Multiple Airlines Logo
9:36 pm - 8:53 pm
TYS
-
AUS
24h 17m
1 stop
$210Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
7:15 am - 6:26 pm
AUS
-
TYS
10h 11m
2 stops
Multiple Airlines Logo
4:25 pm - 4:04 pm
TYS
-
AUS
24h 39m
1 stop
$214Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
7:15 am - 6:31 pm
AUS
-
TYS
10h 16m
2 stops
Multiple Airlines Logo
9:36 pm - 8:53 pm
TYS
-
AUS
24h 17m
1 stop
$233Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Allegiant Air Logo
8:26 am - 11:37 am
AUS
-
TYS
2h 11mnonstop
Allegiant Air Logo
12:55 pm - 7:09 pm
TYS
-
AUS
7h 14m
1 stop
$234Allegiant Air
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
11:34 am - 8:13 pm
AUS
-
TYS
7h 39m
1 stop
Multiple Airlines Logo
11:55 am - 3:16 pm
TYS
-
AUS
28h 21m
2 stops
$235Multiple Airlines
Sat, Mar 7 - Thu, Mar 12
Multiple Airlines Logo
10:46 am - 10:34 am
AUS
-
TYS
22h 48m
1 stop
Multiple Airlines Logo
8:30 am - 5:19 pm
TYS
-
AUS
9h 49m
1 stop
$236Multiple Airlines
Sun, Feb 22 - Wed, Mar 25
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
$242Allegiant Air
Fri, Jun 12 - Mon, Jun 15

Allegiant Air flights from Austin to Knoxville

Our best Allegiant Air deals on Austin to Knoxville flight tickets
Allegiant Air
May 29
AUS8:26 amAustin Bergstrom
2h 11m
TYS11:37 amKnoxville McGhee Tyson
Jun 1
TYS6:00 amKnoxville McGhee Tyson
2h 36m
AUS7:36 amAustin Bergstrom
$137
Allegiant Air
Jun 12
AUS8:38 amAustin Bergstrom
2h 21m
TYS11:59 amKnoxville McGhee Tyson
Jun 15
TYS6:30 amKnoxville McGhee Tyson
2h 18m
AUS7:48 amAustin Bergstrom
$151
Allegiant Air
May 25
AUS8:26 amAustin Bergstrom
2h 11m
TYS11:37 amKnoxville McGhee Tyson
May 29
TYS6:00 amKnoxville McGhee Tyson
2h 36m
AUS7:36 amAustin Bergstrom
$207

Southwest flights from Austin to Knoxville

Our best Southwest deals on Austin to Knoxville flight tickets
Southwest
May 6
AUS8:30 amAustin Bergstrom
4h 50m
1 stop
TYS2:20 pmKnoxville McGhee Tyson
May 10
TYS6:40 amKnoxville McGhee Tyson
6h 00m
2 stops
AUS11:40 amAustin Bergstrom
$316
Southwest
May 6
AUS12:55 pmAustin Bergstrom
5h 45m
2 stops
TYS7:40 pmKnoxville McGhee Tyson
May 10
TYS6:40 amKnoxville McGhee Tyson
6h 00m
2 stops
AUS11:40 amAustin Bergstrom
$321
Southwest
Apr 10
AUS10:10 amAustin Bergstrom
9h 10m
2 stops
TYS8:20 pmKnoxville McGhee Tyson
Apr 13
TYS12:15 pmKnoxville McGhee Tyson
11h 45m
1 stop
AUS11:00 pmAustin Bergstrom
$322

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Austin to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 5/29

8:26 am-11:37 am

Nonstop2h 11m

Knoxville McGhee Tyson

Mon 6/1

6:00 am-7:36 am

Nonstop2h 36m

$137

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 6/12

8:38 am-11:59 am

Nonstop2h 21m

Knoxville McGhee Tyson

Mon 6/15

6:30 am-7:48 am

Nonstop2h 18m

$151

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Mon 5/25

8:26 am-11:37 am

Nonstop2h 11m

Knoxville McGhee Tyson

Fri 5/29

6:00 am-7:36 am

Nonstop2h 36m

$207

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Thu 3/5

11:34 am-11:27 pm

1 stop10h 53m

Knoxville McGhee Tyson

Mon 3/9

9:36 pm-8:53 pm

1 stop24h 17m

$210

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Wed 3/4

7:15 am-6:26 pm

2 stops10h 11m

Knoxville McGhee Tyson

Wed 3/11

4:25 pm-4:04 pm

1 stop24h 39m

$214

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Mon 3/2

7:15 am-6:31 pm

2 stops10h 16m

Knoxville McGhee Tyson

Mon 3/9

9:36 pm-8:53 pm

1 stop24h 17m

$233

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 5/29

8:26 am-11:37 am

Nonstop2h 11m

Knoxville McGhee Tyson

Mon 6/1

12:55 pm-7:09 pm

1 stop7h 14m

$234

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sat 3/7

11:34 am-8:13 pm

1 stop7h 39m

Knoxville McGhee Tyson

Thu 3/12

11:55 am-3:16 pm

2 stops28h 21m

$235

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sun 2/22

10:46 am-10:34 am

1 stop22h 48m

Knoxville McGhee Tyson

Wed 3/25

8:30 am-5:19 pm

1 stop9h 49m

$236

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 6/12

8:38 am-11:59 am

Nonstop2h 21m

Knoxville McGhee Tyson

Mon 6/15

12:49 pm-7:01 pm

1 stop7h 12m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Austin to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of December is, on average, the cheapest month to fly to Knoxville from Austin, with most prices found around $225. If you aren’t able to travel during the month of December, then book flights to Knoxville from Austin during October instead. Flights to Knoxville in October, while not as cheap as those in December, still average around $250.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Austin to Knoxville is on a Sunday. Travelers who choose to depart for Knoxville on a Sunday will often find tickets for as low as $140. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Austin to Knoxville for around $340.

What is the cheapest time of day to depart on your flight to Knoxville?

In the evening is the cheapest time of day to fly from Austin to Knoxville when you can find flight prices for as low as $104. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the afternoon when prices are around $215.

What is the cheapest Austin Bergstrom to Knoxville McGhee Tyson flight route?

Fly from Austin Bergstrom to Knoxville McGhee Tyson for the best Austin Bergstrom - Knoxville McGhee Tyson flight prices

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

You are more likely to see cheaper flights to Knoxville from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Austin for as low as $139 on momondo.

What cabin class options are available on Austin Bergstrom to Knoxville McGhee Tyson flights?

There is only 1 cabin class available to choose from on Austin Bergstrom to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Austin to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Austin to Knoxville.

How have Austin to Knoxville flight prices changed over time?

As of February 2026, prices for Austin to Knoxville flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Knoxville (AUS to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Knoxville

Best Price Found

$140

Fastest flight time

2h 11m

Direct flights

Tue and Sat

Airports in Knoxville

1 airport
The best flight deal from Austin to Knoxville found on momondo in the last 72 hours is $140
The fastest flight from Austin to Knoxville takes 2h 11m
Direct flights go from Austin to Knoxville on Tuesday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Knoxville. From Austin there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

  • How far is Austin Bergstrom to Knoxville McGhee Tyson by plane?

    The straight-line distance from Austin Bergstrom to Knoxville McGhee Tyson is 889.3 mi. 2h 11m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport refresh daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Austin to Knoxville?

  • What is the most popular airline from Austin to Knoxville?

Best airlines flying from Austin to Knoxville

Compare and see reviews for airlines that fly from Austin to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $53Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Allegiant AirPriceFrom $81Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
DeltaPriceFrom $125Free CancellationRating
7.9
8,138 reviews
Search Delta flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $223Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Knoxville?

Finding the right flight to Knoxville from Austin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

Can I find flights from Austin to Knoxville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Austin to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Austin to Knoxville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knoxville from Austin.

I’m not ready to book a flight from Austin to Knoxville right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to Knoxville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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