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Cheap flights from Knoxville to Austin from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Austin departing on 4/17. 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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Find the cheapest flights from Knoxville to Austin

Cheap round-trip flights

These are some of the best round-trip flight deals from Knoxville to Austin that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Knoxville to Austin.

Cheap last minute flights

Planning a quick getaway from Knoxville to Austin? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Austin, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Knoxville to Austin

Find recent round-trip train or bus tickets from Knoxville to Austin.

All round-trip flight deals from Knoxville to Austin

The cheapest plane tickets from Knoxville to Austin found on KAYAK recently.
6:00 am - 7:37 amTYS-AUS
2h 37mnonstop
8:27 am - 11:32 amAUS-TYS
2h 05mnonstop
$120Allegiant Air
Find Deal
Fri, Apr 4 - Mon, Apr 7
10:53 am - 12:30 pmTYS-AUS
2h 37mnonstop
1:20 pm - 4:25 pmAUS-TYS
2h 05mnonstop
$132Allegiant Air
Find Deal
Mon, Apr 28 - Fri, May 2
4:31 pm - 11:33 pmTYS-AUS
8h 02m1 stop
6:10 am - 3:46 pmAUS-TYS
8h 36m1 stop
$210Frontier
Find Deal
Thu, Apr 10 - Sun, Apr 13
9:15 am - 3:24 pmTYS-AUS
7h 09m1 stop
11:59 am - 6:07 pmAUS-TYS
5h 08m1 stop
$224United Airlines
Find Deal
Thu, Feb 20 - Sat, Feb 22
4:08 pm - 10:28 pmTYS-AUS
7h 20m1 stop
9:00 am - 3:25 pmAUS-TYS
5h 25m1 stop
$229American Airlines
Find Deal
Fri, Jan 31 - Wed, Feb 5
4:08 pm - 10:33 pmTYS-AUS
7h 25m2 stops
6:40 pm - 12:12 amAUS-TYS
4h 32m1 stop
$234American Airlines
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Sat, Feb 1 - Mon, Feb 3
5:45 am - 11:42 amTYS-AUS
6h 57m1 stop
5:30 am - 1:27 pmAUS-TYS
6h 57m1 stop
$249Delta
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Fri, Feb 7 - Mon, Feb 10
5:45 am - 9:50 amTYS-AUS
5h 05m1 stop
1:16 pm - 9:39 pmAUS-TYS
7h 23m1 stop
$259Delta
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Fri, Jan 31 - Mon, Feb 3
5:23 am - 11:36 amTYS-AUS
7h 13m1 stop
7:00 am - 3:38 pmAUS-TYS
7h 38m2 stops
$264American Airlines
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Wed, Jan 29 - Sat, Feb 1
5:47 pm - 11:06 pmTYS-AUS
6h 19m1 stop
5:15 am - 4:59 pmAUS-TYS
10h 44m2 stops
$304United Airlines
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Fri, Jan 31 - Wed, Feb 5
4:31 pm - 11:33 pmTYS-AUS
8h 02m1 stop
$75Frontier
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Thu, Apr 17
6:36 pm - 10:47 pmTYS-AUS
5h 11m1 stop
$100American Airlines
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Tue, Feb 18
7:00 am - 3:24 pmTYS-AUS
9h 24m2 stops
$105United Airlines
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Wed, Feb 19
6:00 am - 7:40 amTYS-AUS
2h 40mnonstop
$127Allegiant Air
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Fri, Mar 14
8:35 am - 4:07 pmTYS-AUS
8h 32m1 stop
Fri, Feb 21
7:45 am - 4:07 pmTYS-AUS
9h 22m1 stop
Sun, Feb 16
9:24 pm - 4:07 pmTYS-AUS
19h 43m2 stops
Thu, Feb 20
8:15 am - 7:24 pmTYS-AUS
12h 09m2 stops
Fri, Feb 21
7:00 am - 12:36 pmTYS-AUS
6h 36m1 stop
$196United Airlines
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Sun, Feb 16
7:23 pm - 10:58 pmTYS-AUS
4h 35m1 stop
$255Delta
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Fri, Mar 14
6:37 pm - 10:33 pmTYS-AUS
4h 56m1 stop
5:32 pm - 12:12 amAUS-TYS
5h 40m1 stop
$304American Airlines
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Fri, Jan 17 - Fri, Jan 31
4:15 pm - 10:33 pmTYS-AUS
7h 18m1 stop
6:00 am - 11:26 amAUS-TYS
4h 26m1 stop
$349American Airlines
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Fri, Jan 17 - Sun, Jan 19
7:00 am - 3:26 pmTYS-AUS
9h 26m2 stops
4:22 pm - 11:46 pmAUS-TYS
6h 24m1 stop
$409United Airlines
Find Deal
Sun, Jan 19 - Fri, Jan 31
5:47 pm - 11:06 pmTYS-AUS
6h 19m1 stop
5:55 pm - 11:46 pmAUS-TYS
4h 51m1 stop
$429United Airlines
Find Deal
Fri, Jan 17 - Sat, Feb 1
4:55 pm - 10:58 pmTYS-AUS
7h 03m1 stop
5:55 pm - 11:46 pmAUS-TYS
4h 51m1 stop
$459United Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 31
10:00 am - 11:28 amTYS-AUS
26h 28m2 stops
8:26 pm - 4:25 pmAUS-TYS
18h 59m2 stops
Sun, Jan 19 - Fri, Jan 31
6:20 am - 3:26 pmTYS-AUS
10h 06m2 stops
4:22 pm - 11:46 pmAUS-TYS
6h 24m1 stop
$550United Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 31
6:20 am - 11:58 amTYS-AUS
6h 38m1 stop
4:45 pm - 10:29 pmAUS-TYS
28h 44m1 stop
$597United Airlines
Find Deal
Mon, Jan 20 - Fri, Jan 24
10:00 am - 11:28 amTYS-AUS
26h 28m2 stops
7:14 pm - 7:17 pmAUS-TYS
23h 03m3 stops
Sun, Jan 19 - Fri, Jan 31
9:15 am - 7:31 pmTYS-AUS
11h 16m2 stops
8:26 pm - 9:09 pmAUS-TYS
23h 43m2 stops
Mon, Jan 20 - Fri, Jan 24
6:00 am - 7:37 amTYS-AUS
2h 37mnonstop
8:27 am - 11:32 amAUS-TYS
2h 05mnonstop
$120Allegiant Air
Find Deal
Fri, Apr 4 - Mon, Apr 7
10:53 am - 12:30 pmTYS-AUS
2h 37mnonstop
1:20 pm - 4:25 pmAUS-TYS
2h 05mnonstop
$132Allegiant Air
Find Deal
Mon, Apr 28 - Fri, May 2
6:00 am - 7:40 amTYS-AUS
2h 40mnonstop
8:30 am - 11:34 amAUS-TYS
2h 04mnonstop
$203Allegiant Air
Find Deal
Fri, Mar 14 - Fri, Mar 21

Allegiant Air flights from Knoxville to Austin

Our best Allegiant Air deals on Knoxville to Austin flight tickets
Allegiant Air
Apr 4
TYS6:00 amKnoxville McGhee Tyson
2h 37m
AUS7:37 amAustin Bergstrom
Apr 7
AUS8:27 amAustin Bergstrom
2h 05m
TYS11:32 amKnoxville McGhee Tyson
Allegiant Air
Apr 28
TYS10:53 amKnoxville McGhee Tyson
2h 37m
AUS12:30 pmAustin Bergstrom
May 2
AUS1:20 pmAustin Bergstrom
2h 05m
TYS4:25 pmKnoxville McGhee Tyson

Delta flights from Knoxville to Austin

Our best Delta deals on Knoxville to Austin flight tickets
Delta
Feb 7
TYS5:45 amKnoxville McGhee Tyson
6h 57m
1 stop
AUS11:42 amAustin Bergstrom
Feb 10
AUS5:30 amAustin Bergstrom
6h 57m
1 stop
TYS1:27 pmKnoxville McGhee Tyson
Delta
Jan 31
TYS5:45 amKnoxville McGhee Tyson
5h 05m
1 stop
AUS9:50 amAustin Bergstrom
Feb 3
AUS1:16 pmAustin Bergstrom
7h 23m
1 stop
TYS9:39 pmKnoxville McGhee Tyson
Delta
Feb 15
TYS5:15 pmKnoxville McGhee Tyson
4h 51m
1 stop
AUS9:06 pmAustin Bergstrom
Feb 22
AUS8:25 amAustin Bergstrom
4h 02m
1 stop
TYS1:27 pmKnoxville McGhee Tyson

See travel insights to Austin from

How to get the cheapest flight ticket from Knoxville to Austin

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 Austin?

The cheapest month to fly to Austin from Knoxville is in April. Flight prices, which tend to average around $244, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in April, then February is your next best option. Flight prices from Knoxville to Austin during February average around $253.

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

The cheapest day to depart on your flight to Austin is on a Monday when prices can be found for as low as $218. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Knoxville to Austin for around $442.

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

In the evening is the cheapest time of day to fly from Knoxville to Austin when you can find flight prices for as low as $165. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the morning, with an average ticket price of $327. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Austin from Knoxville when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $287 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Knoxville for as low as $196 on momondo.

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

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

How have Knoxville to Austin flight prices changed over time?

As of January 2025, prices for Knoxville to Austin flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Knoxville to Austin

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

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

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

Best Price Found

$75

Fastest flight time

2h 37m

Direct flights

Tue and Sat

Airports in Austin

1 airport
The best one-way flight to Austin from Knoxville in the past 72 hours is $75. The best round-trip flight deal from Knoxville to Austin found on momondo in the last 72 hours is $120.
The fastest flight from Knoxville to Austin takes 2h 37m
Direct flights go from Knoxville to Austin on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Austin: Austin Bergstrom (AUS)

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

    A flight from Knoxville McGhee Tyson to Austin Bergstrom will travel around 889.3 mi. A reasonable flight in good conditions will take 2h 37m.

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

    Prices for flights from Knoxville McGhee Tyson Airport to Austin Bergstrom Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Knoxville to Austin

Compare and see reviews for airlines that fly from Knoxville to Austin with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $88Free CancellationRating
7.3
801 reviews
Search Allegiant Air flights
DeltaPriceFrom $228Free CancellationRating
8.0
8,511 reviews
Search Delta flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Round Rock
San Marcos
Georgetown
Marble Falls
Wimberley
Cedar Park
Seguin
Pflugerville
Canyon Lake
Dripping Springs
Horseshoe Bay
Bastrop
Buda
Kyle
Flatonia

Why use momondo?

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

Finding the right flight to Austin from Knoxville 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 Austin quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Austin from Knoxville with this policy.

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

Once all potential Knoxville to Austin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Knoxville to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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