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Cheap flights from Austin to Knoxville from $92

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 2/17. 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.
Multiple Airlines Logo
7:15 am - 10:08 am
AUS
-
TYS
25h 53m
1 stop
Multiple Airlines Logo
5:14 pm - 4:04 pm
TYS
-
AUS
23h 50m
1 stop
$184Multiple Airlines
mar., feb. 17 - mar., feb. 24
Multiple Airlines Logo
7:15 am - 10:08 am
AUS
-
TYS
25h 53m
1 stop
Multiple Airlines Logo
7:22 pm - 8:53 pm
TYS
-
AUS
26h 31m
2 stops
$186Multiple Airlines
mar., feb. 17 - lun., feb. 23
Multiple Airlines Logo
7:15 am - 10:08 am
AUS
-
TYS
25h 53m
1 stop
Multiple Airlines Logo
7:22 pm - 8:53 pm
TYS
-
AUS
26h 31m
2 stops
$200Multiple Airlines
mar., feb. 17 - vie., feb. 20
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
$201Allegiant Air
vie., may. 22 - lun., may. 25
Multiple Airlines Logo
7:15 am - 11:27 pm
AUS
-
TYS
15h 12m
1 stop
Multiple Airlines Logo
6:24 pm - 4:04 pm
TYS
-
AUS
22h 40m
1 stop
$209Multiple Airlines
jue., mar. 5 - mar., mar. 10
Multiple Airlines Logo
7:15 am - 11:27 pm
AUS
-
TYS
15h 12m
1 stop
Multiple Airlines Logo
9:36 pm - 8:53 pm
TYS
-
AUS
24h 17m
1 stop
$212Multiple Airlines
jue., mar. 5 - lun., mar. 9
Multiple Airlines Logo
7:15 am - 10:08 am
AUS
-
TYS
25h 53m
1 stop
Multiple Airlines Logo
5:56 pm - 8:53 pm
TYS
-
AUS
27h 57m
2 stops
$215Multiple Airlines
mar., feb. 17 - dom., feb. 22
Multiple Airlines Logo
7:15 am - 10:08 am
AUS
-
TYS
25h 53m
1 stop
Multiple Airlines Logo
2:54 pm - 9:51 am
TYS
-
AUS
19h 57m
1 stop
$216Multiple Airlines
mar., feb. 17 - sáb., feb. 21
Multiple Airlines Logo
7:25 am - 10:25 pm
AUS
-
TYS
38h 00m
2 stops
Multiple Airlines Logo
5:14 pm - 4:04 pm
TYS
-
AUS
23h 50m
1 stop
$217Multiple Airlines
mié., feb. 11 - mar., feb. 24
Multiple Airlines Logo
7:15 am - 11:27 pm
AUS
-
TYS
15h 12m
1 stop
Multiple Airlines Logo
4:25 pm - 11:06 am
TYS
-
AUS
19h 41m
1 stop
$221Multiple Airlines
jue., mar. 5 - mié., mar. 11

United Airlines flights from Austin to Knoxville

Our best United Airlines deals on Austin to Knoxville flight tickets
United Airlines
Feb 24
AUS2:15 pmAustin Bergstrom
4h 40m
1 stop
TYS7:55 pmKnoxville McGhee Tyson
Mar 3
TYS6:45 amKnoxville McGhee Tyson
9h 37m
2 stops
AUS3:22 pmAustin Bergstrom
$270
United Airlines
Feb 24
AUS1:10 pmAustin Bergstrom
6h 27m
1 stop
TYS8:37 pmKnoxville McGhee Tyson
Feb 25
TYS7:05 amKnoxville McGhee Tyson
5h 09m
1 stop
AUS11:14 amAustin Bergstrom
$275

Frontier flights from Austin to Knoxville

Our best Frontier deals on Austin to Knoxville flight tickets
Frontier
Feb 6
AUS6:55 amAustin Bergstrom
7h 35m
1 stop
TYS3:30 pmKnoxville McGhee Tyson
Feb 9
TYS4:30 pmKnoxville McGhee Tyson
8h 46m
1 stop
AUS12:16 amAustin Bergstrom
$291
Frontier
Feb 6
AUS6:55 amAustin Bergstrom
7h 35m
1 stop
TYS3:30 pmKnoxville McGhee Tyson
Feb 9
TYS4:30 pmKnoxville McGhee Tyson
8h 46m
1 stop
AUS12:16 amAustin Bergstrom
$301

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 enero 29, 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

mar. 2/17

7:15 am-10:08 am

1 stop25h 53m

Knoxville McGhee Tyson

mar. 2/24

5:14 pm-4:04 pm

1 stop23h 50m

$184

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mar. 2/17

7:15 am-10:08 am

1 stop25h 53m

Knoxville McGhee Tyson

lun. 2/23

7:22 pm-8:53 pm

2 stops26h 31m

$186

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mar. 2/17

7:15 am-10:08 am

1 stop25h 53m

Knoxville McGhee Tyson

vie. 2/20

7:22 pm-8:53 pm

2 stops26h 31m

$200

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

vie. 5/22

8:26 am-11:37 am

Nonstop2h 11m

Knoxville McGhee Tyson

lun. 5/25

6:00 am-7:36 am

Nonstop2h 36m

$201

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

jue. 3/5

7:15 am-11:27 pm

1 stop15h 12m

Knoxville McGhee Tyson

mar. 3/10

6:24 pm-4:04 pm

1 stop22h 40m

$209

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

jue. 3/5

7:15 am-11:27 pm

1 stop15h 12m

Knoxville McGhee Tyson

lun. 3/9

9:36 pm-8:53 pm

1 stop24h 17m

$212

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mar. 2/17

7:15 am-10:08 am

1 stop25h 53m

Knoxville McGhee Tyson

dom. 2/22

5:56 pm-8:53 pm

2 stops27h 57m

$215

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mar. 2/17

7:15 am-10:08 am

1 stop25h 53m

Knoxville McGhee Tyson

sáb. 2/21

2:54 pm-9:51 am

1 stop19h 57m

$216

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

mié. 2/11

7:25 am-10:25 pm

2 stops38h 00m

Knoxville McGhee Tyson

mar. 2/24

5:14 pm-4:04 pm

1 stop23h 50m

$217

AustinKnoxville

AUS - TYS

AUSTYS

Austin Bergstrom

jue. 3/5

7:15 am-11:27 pm

1 stop15h 12m

Knoxville McGhee Tyson

mié. 3/11

4:25 pm-11:06 am

1 stop19h 41m

$221

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 $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.

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 January 2026, prices for Austin to Knoxville flights are approximately 23% 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

$140

Fastest flight time

2h 11m

Direct flights

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 Saturday. The only airline offering direct flights is Allegiant Air.
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
3,056 reviews
Search Frontier flights
Allegiant AirPriceFrom $81Free CancellationRating
7.2
706 reviews
Search Allegiant Air flights
DeltaPriceFrom $125Free CancellationRating
7.9
8,127 reviews
Search Delta flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $223Free CancellationRating
7.2
11,206 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
Murphy
Alcoa
Maryville
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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