Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Austin to Knoxville from $87

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 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Austin to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:55 am - 3:30 pm
AUS
-
TYS
7h 35m1 stop
Frontier Logo
4:30 pm - 12:16 am
TYS
-
AUS
8h 46m1 stop
$167Frontier
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
7:25 am - 3:57 pm
AUS
-
TYS
7h 32m1 stop
Multiple Airlines Logo
10:58 am - 9:35 pm
TYS
-
AUS
11h 37m1 stop
$175Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
7:26 pm - 10:28 pm
AUS
-
TYS
26h 02m1 stop
Multiple Airlines Logo
10:58 am - 9:35 pm
TYS
-
AUS
11h 37m1 stop
$179Multiple Airlines
Sun, Jan 25 - Wed, Feb 11
Frontier Logo
6:55 am - 3:30 pm
AUS
-
TYS
7h 35m1 stop
Frontier Logo
4:30 pm - 12:16 am
TYS
-
AUS
8h 46m1 stop
$195Frontier
Fri, Jan 23 - Mon, Jan 26
Delta Logo
5:22 am - 11:15 am
AUS
-
TYS
4h 53m1 stop
Delta Logo
11:18 am - 6:57 pm
TYS
-
AUS
8h 39m1 stop
$197Delta
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
10:40 am - 5:53 pm
AUS
-
TYS
30h 13m2 stops
Multiple Airlines Logo
10:58 am - 9:35 pm
TYS
-
AUS
11h 37m1 stop
$201Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
11:30 am - 8:39 am
AUS
-
TYS
20h 09m1 stop
Multiple Airlines Logo
1:00 pm - 9:35 pm
TYS
-
AUS
33h 35m2 stops
$202Multiple Airlines
Sat, Jan 31 - Tue, Feb 3
Multiple Airlines Logo
7:25 am - 6:28 pm
AUS
-
TYS
10h 03m1 stop
Multiple Airlines Logo
6:18 pm - 9:35 pm
TYS
-
AUS
28h 17m2 stops
$216Multiple Airlines
Thu, Feb 5 - Mon, Feb 9
Delta Logo
5:15 pm - 11:51 pm
AUS
-
TYS
5h 36m1 stop
Delta Logo
11:18 am - 6:57 pm
TYS
-
AUS
8h 39m1 stop
$217Delta
Mon, Mar 23 - Tue, Mar 31
Multiple Airlines Logo
7:25 am - 8:39 am
AUS
-
TYS
24h 14m1 stop
Multiple Airlines Logo
1:39 pm - 5:02 pm
TYS
-
AUS
28h 23m2 stops
$220Multiple Airlines
Wed, Jan 21 - Sun, Jan 25

Frontier flights from Austin to Knoxville

Our best Frontier deals on Austin to Knoxville flight tickets
Frontier
Jan 23
AUS6:55 amAustin Bergstrom
7h 35m
1 stop
TYS3:30 pmKnoxville McGhee Tyson
Jan 26
TYS4:30 pmKnoxville McGhee Tyson
8h 46m
1 stop
AUS12:16 amAustin Bergstrom
$167
Frontier
Jan 15
AUS6:45 amAustin Bergstrom
11h 38m
1 stop
TYS7:23 pmKnoxville McGhee Tyson
Jan 26
TYS4:30 pmKnoxville McGhee Tyson
8h 46m
1 stop
AUS12:16 amAustin Bergstrom
$181
Frontier
Jan 23
AUS6:55 amAustin Bergstrom
7h 35m
1 stop
TYS3:30 pmKnoxville McGhee Tyson
Jan 26
TYS4:30 pmKnoxville McGhee Tyson
8h 46m
1 stop
AUS12:16 amAustin Bergstrom
$195

Delta flights from Austin to Knoxville

Our best Delta deals on Austin to Knoxville flight tickets
Delta
Apr 1
AUS8:25 amAustin Bergstrom
6h 41m
1 stop
TYS4:06 pmKnoxville McGhee Tyson
Apr 7
TYS11:18 amKnoxville McGhee Tyson
8h 39m
1 stop
AUS6:57 pmAustin Bergstrom
$197
Delta
Mar 23
AUS5:15 pmAustin Bergstrom
5h 36m
1 stop
TYS11:51 pmKnoxville McGhee Tyson
Apr 1
TYS5:30 amKnoxville McGhee Tyson
5h 15m
1 stop
AUS9:45 amAustin Bergstrom
$217
Delta
Apr 1
AUS5:22 amAustin Bergstrom
4h 53m
1 stop
TYS11:15 amKnoxville McGhee Tyson
Apr 3
TYS6:38 pmKnoxville McGhee Tyson
4h 47m
1 stop
AUS10:25 pmAustin Bergstrom
$258

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 January 8, 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 1/23

6:55 am-3:30 pm

1 stop7h 35m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-12:16 am

1 stop8h 46m

$167

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Wed 2/4

7:25 am-3:57 pm

1 stop7h 32m

Knoxville McGhee Tyson

Wed 2/11

10:58 am-9:35 pm

1 stop11h 37m

$175

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sun 1/25

7:26 pm-10:28 pm

1 stop26h 02m

Knoxville McGhee Tyson

Wed 2/11

10:58 am-9:35 pm

1 stop11h 37m

$179

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Fri 1/23

6:55 am-3:30 pm

1 stop7h 35m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-12:16 am

1 stop8h 46m

$195

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Wed 4/1

5:22 am-11:15 am

1 stop4h 53m

Knoxville McGhee Tyson

Wed 4/8

11:18 am-6:57 pm

1 stop8h 39m

$197

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Wed 2/4

10:40 am-5:53 pm

2 stops30h 13m

Knoxville McGhee Tyson

Wed 2/11

10:58 am-9:35 pm

1 stop11h 37m

$201

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Sat 1/31

11:30 am-8:39 am

1 stop20h 09m

Knoxville McGhee Tyson

Tue 2/3

1:00 pm-9:35 pm

2 stops33h 35m

$202

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Thu 2/5

7:25 am-6:28 pm

1 stop10h 03m

Knoxville McGhee Tyson

Mon 2/9

6:18 pm-9:35 pm

2 stops28h 17m

$216

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Mon 3/23

5:15 pm-11:51 pm

1 stop5h 36m

Knoxville McGhee Tyson

Tue 3/31

11:18 am-6:57 pm

1 stop8h 39m

$217

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

Wed 1/21

7:25 am-8:39 am

1 stop24h 14m

Knoxville McGhee Tyson

Sun 1/25

1:39 pm-5:02 pm

2 stops28h 23m

$220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $248.

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 $282 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.

How have Austin to Knoxville flight prices changed over time?

As of January 2026, prices for Austin to Knoxville flights are approximately 11% more expensive 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

$106

Fastest flight time

2h 11m

Direct flights

None
The best one-way flight to Knoxville from Austin in the past 72 hours is $106. The best round-trip 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
There are no direct flights from Austin to Knoxville. There are no popular flight routes from Austin to Knoxville.
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
Allegiant AirPriceFrom $84Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
DeltaPriceFrom $219Free CancellationRating
7.9
8,025 reviews
Search Delta flights
American AirlinesPriceFrom $223Free CancellationRating
7.2
11,094 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
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Newport
Lenoir City
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.

An easier way to manage your Knoxville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/7
Sat 2/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States