Cheap Flights from Austin to Knoxville
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Flights from Austin to Knoxville Starting at £61
We've found these cheap flights for you. You can book one-way or return flight tickets.
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One way
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AUS 08:254h 23m1 stopsTYS 13:48Austin - Knoxville | Wed, Apr 16 | Delta Air Lines
TYS 08:595h 26m1 stopsAUS 13:25Knoxville - Austin | Sat, Apr 19 | Delta Air Lines£158 £23433% OFF33% OFF£234 £158 -
AUS 14:405h 50m1 stopsTYS 21:30Austin - Knoxville | Tue, Apr 15 | Delta Air Lines
TYS 07:488h 2m1 stopsAUS 14:50Knoxville - Austin | Tue, Apr 22 | Delta Air Lines£158 £23433% OFF33% OFF£234 £158
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AUS 05:304h 42m1 stopsTYS 11:12Austin - Knoxville | Wed, Apr 9 | Delta Air Lines
TYS 17:005h 1m1 stopsAUS 21:01Knoxville - Austin | Wed, Apr 9 | Delta Air Lines£158 £23433% OFF33% OFF£234 £158
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AUS 05:304h 44m1 stopsTYS 11:14Austin - Knoxville | Wed, Apr 2 | Delta Air Lines
TYS 05:454h 55m1 stopsAUS 09:40Knoxville - Austin | Wed, Apr 9 | Delta Air Lines£15833% OFF£234 £158
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AUS 05:304h 42m1 stopsTYS 11:12Austin - Knoxville | Tue, Apr 8 | Delta Air Lines
TYS 17:005h 1m1 stopsAUS 21:01Knoxville - Austin | Tue, Apr 8 | Delta Air Lines£15833% OFF£234 £158
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AUS 05:304h 39m1 stopsTYS 11:09Austin - Knoxville | Wed, Apr 30 | Delta Air Lines
TYS 11:358h 5m1 stopsAUS 18:40Knoxville - Austin | Wed, May 7 | Delta Air Lines£16131% OFF£234 £161
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AUS 05:305h 38m1 stopsTYS 12:08Austin - Knoxville | Tue, Apr 1 | Delta Air Lines
TYS 19:236h 15m1 stopsAUS 00:38Knoxville - Austin | Tue, Apr 1 | Delta Air Lines£16430% OFF£234 £164
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AUS 06:306h 20m1 stopsTYS 13:50Austin - Knoxville | Tue, Mar 25 | Delta Air Lines
TYS 14:255h 28m1 stopsAUS 18:53Knoxville - Austin | Tue, Apr 1 | Delta Air Lines£16430% OFF£234 £164
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AUS 18:204h 22m1 stopsTYS 23:42Austin - Knoxville | Thu, Apr 10 | Delta Air Lines
TYS 05:305h 10m1 stopsAUS 09:40Knoxville - Austin | Tue, Apr 15 | Delta Air Lines£17426% OFF£234 £174
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AUS 18:204h 22m1 stopsTYS 23:42Austin - Knoxville | Sat, Apr 5 | Delta Air Lines
TYS 19:246h 2m1 stopsAUS 00:26Knoxville - Austin | Mon, Apr 7 | Delta Air Lines£17525% OFF£234 £175
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AUS 13:0017h 25m1 stopsTYS Invalid DateAustin - Knoxville | Sat, Mar 22 | Normal Airline
TYS 15:006hNonstopAUS 16:00Knoxville - Austin | Mon, Mar 24 | Normal AirlineFind More FlightsFind More Flights
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AUS 06:108h 31m1 stopsTYS 15:41Austin - Knoxville | Thu, Apr 10 | Frontier Airlines£61 £13053% OFF53% OFF£130 £61 -
AUS 06:108h 36m1 stopsTYS 15:46Austin - Knoxville | Sun, Apr 13 | Frontier Airlines£73 £13044% OFF44% OFF£130 £73
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AUS 08:254h 15m1 stopsTYS 13:40Austin - Knoxville | Wed, Apr 2 | Delta Air Lines£80 £13039% OFF39% OFF£130 £80
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AUS 06:455h 29m1 stopsTYS 13:14Austin - Knoxville | Wed, May 7 | Delta Air Lines£8138% OFF£130 £81
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AUS 05:304h 39m1 stopsTYS 11:09Austin - Knoxville | Wed, Apr 30 | Delta Air Lines£8237% OFF£130 £82
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AUS 05:305h 33m1 stopsTYS 12:03Austin - Knoxville | Tue, Apr 8 | Delta Air Lines£8237% OFF£130 £82
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AUS 06:1028h 36m1 stopsTYS 11:46Austin - Knoxville | Thu, Apr 17 | Frontier Airlines£8634% OFF£130 £86
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AUS 05:304h 39m1 stopsTYS 11:09Austin - Knoxville | Sun, Apr 20 | Delta Air Lines£9130% OFF£130 £91
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AUS 06:108h 36m1 stopsTYS 15:46Austin - Knoxville | Sun, Apr 20 | Frontier Airlines£9626% OFF£130 £96
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AUS 16:225h 53m1 stopsTYS 23:15Austin - Knoxville | Tue, Apr 8 | United Airlines£9825% OFF£130 £98 -
AUS 13:0017h 25m1 stopsTYS Invalid DateAustin - Knoxville | Sat, Mar 22 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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FAQ
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When are flight tickets from Austin (AUS) to Knoxville (TYS) the cheapest?
Airlines adjust prices for flights from Austin to Knoxville based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Austin (AUS) to Knoxville (TYS) cost?
According to Trip.com's data, the lowest price is around £345. -
How long is the flight from Austin (AUS) to Knoxville (TYS)?
It takes about 2 hours 4 minutes to fly from Austin (AUS) to Knoxville (TYS). -
What are the most popular airlines that fly from Austin (AUS) to Knoxville (TYS)?
Airlines with flights from Austin (AUS) to Knoxville (TYS): Allegiant Air. -
What's the most popular airline for direct flights from Austin (AUS) to Knoxville (TYS)?
Allegiant Air operates 1 direct flights from Austin (AUS) to Knoxville (TYS). -
How many airports in Knoxville (TYS)?
There are 1 airport(s) in Knoxville (TYS): Mcghee Tyson Airport.
How to find a cheap flight from Austin to Knoxville
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Austin to Knoxville. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Austin to Knoxville.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Austin to Knoxville over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Thu, Apr 10, with one-way flights priced at just £61.
Compare cheap flight deals from Austin to Knoxville across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Austin to Knoxville. The cheapest airline for this route is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Austin to Knoxville, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Austin to Knoxville.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Austin to Knoxville and snag some exclusive deals just for you.
Flight Information from Austin to Knoxville
| Cheapest one-way flight price | £61 |
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| Off-season travel month | March |
| Peak season for travel | June |
| Flight distance | 1,421.89km |
| Average flight time | 2 hours 4 minutes |
| Popular airline | United Airlines |
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