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Cheap flights from Austin to Knoxville from $48

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 4/25. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Austin to Knoxville.
1:20 pm - 4:25 pmAUS-TYS
2h 05mnonstop
11:06 am - 12:38 pmTYS-AUS
2h 32mnonstop
$86Allegiant Air
Find Deal
Mon, May 12 - Fri, May 30
9:05 am - 12:22 pmAUS-TYS
2h 17mnonstop
6:55 am - 8:15 amTYS-AUS
2h 20mnonstop
$99Allegiant Air
Find Deal
Mon, Jul 7 - Mon, Jul 14
1:20 pm - 4:25 pmAUS-TYS
2h 05mnonstop
9:03 pm - 11:03 pmTYS-AUS
27h 00m1 stop
Mon, May 12 - Fri, May 30
12:10 pm - 8:00 pmAUS-TYS
6h 50m1 stop
6:28 pm - 11:02 pmTYS-AUS
5h 34m1 stop
$199American Airlines
Find Deal
Sat, May 24 - Wed, May 28
1:20 pm - 4:25 pmAUS-TYS
2h 05mnonstop
1:55 pm - 12:52 amTYS-AUS
35h 57m2 stops
Fri, Apr 25 - Sun, Apr 27
2:45 pm - 9:27 pmAUS-TYS
5h 42m1 stop
7:30 am - 2:50 pmTYS-AUS
8h 20m1 stop
$217Delta
Find Deal
Tue, Jul 29 - Tue, Aug 5
6:15 am - 12:29 pmAUS-TYS
5h 14m1 stop
2:54 pm - 8:57 pmTYS-AUS
7h 03m1 stop
$224American Airlines
Find Deal
Sat, May 3 - Mon, May 5
5:30 am - 12:06 pmAUS-TYS
5h 36m1 stop
5:15 pm - 10:04 pmTYS-AUS
5h 49m1 stop
$233Delta
Find Deal
Wed, Jul 9 - Mon, Jul 14
12:45 pm - 10:22 pmAUS-TYS
8h 37m1 stop
7:00 am - 5:46 pmTYS-AUS
11h 46m2 stops
$274United Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
5:00 am - 5:05 pmAUS-TYS
11h 05m2 stops
7:00 am - 5:13 pmTYS-AUS
11h 13m2 stops
$279United Airlines
Find Deal
Wed, Jul 30 - Wed, Aug 6

Allegiant Air flights from Austin to Knoxville

Our best Allegiant Air deals on Austin to Knoxville flight tickets
Allegiant Air
May 12
AUS1:20 pmAustin Bergstrom
2h 05m
TYS4:25 pmKnoxville McGhee Tyson
May 30
TYS11:06 amKnoxville McGhee Tyson
2h 32m
AUS12:38 pmAustin Bergstrom
Allegiant Air
Jul 7
AUS9:05 amAustin Bergstrom
2h 17m
TYS12:22 pmKnoxville McGhee Tyson
Jul 14
TYS6:55 amKnoxville McGhee Tyson
2h 20m
AUS8:15 amAustin Bergstrom
Allegiant Air
Sep 12
AUS8:01 pmAustin Bergstrom
2h 13m
TYS11:14 pmKnoxville McGhee Tyson
Sep 15
TYS12:45 pmKnoxville McGhee Tyson
2h 22m
AUS2:07 pmAustin Bergstrom

American Airlines flights from Austin to Knoxville

Our best American Airlines deals on Austin to Knoxville flight tickets
American Airlines
May 24
AUS12:10 pmAustin Bergstrom
6h 50m
1 stop
TYS8:00 pmKnoxville McGhee Tyson
May 28
TYS6:28 pmKnoxville McGhee Tyson
5h 34m
1 stop
AUS11:02 pmAustin Bergstrom
American Airlines
May 3
AUS6:15 amAustin Bergstrom
5h 14m
1 stop
TYS12:29 pmKnoxville McGhee Tyson
May 5
TYS2:54 pmKnoxville McGhee Tyson
7h 03m
1 stop
AUS8:57 pmAustin Bergstrom
American Airlines
Apr 28
AUS6:11 pmAustin Bergstrom
4h 34m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
May 5
TYS2:54 pmKnoxville McGhee Tyson
7h 03m
1 stop
AUS8:57 pmAustin Bergstrom

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 August is, on average, the cheapest month to fly to Knoxville from Austin, with most prices found around $228. If you aren’t able to travel during the month of August, then book flights to Knoxville from Austin during January instead. Flights to Knoxville in January, while not as cheap as those in August, still average around $258.

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

The cheapest day to depart from Austin to Knoxville is on a Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $154. When flying out on a Saturday, 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 afternoon is the cheapest time of day to fly from Austin to Knoxville when you can find flight prices for as low as $120. Flying to Knoxville in the afternoon 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 morning when prices are around $214.

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 9 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $291 when searching 9 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 $180 on momondo.

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

There are 1 cabin classes 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 March 2025, prices for Austin to Knoxville flights are approximately 55% 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

$48

Fastest flight time

2h 05m

Direct flights

Tue and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Austin in the past 72 hours is $48. The best round-trip flight deal from Austin to Knoxville found on momondo in the last 72 hours is $86.
The fastest flight from Austin to Knoxville takes 2h 05m
Direct flights go from Austin to Knoxville on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • 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 05m 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 $87Free CancellationRating
7.3
731 reviews
Search Allegiant Air flights
DeltaPriceFrom $219Free CancellationRating
8.0
7,899 reviews
Search Delta flights
American AirlinesPriceFrom $223Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,614 reviews
Search United 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
Murphy
Crossville
Maryville
Newport
Alcoa
Oak Ridge
Kodak
Lenoir City
Dandridge
Clinton
Jefferson City
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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