Cheap Flights from Austin to Knoxville
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Cheap Flights from Austin to Knoxville
Cheap Flights from Austin to Knoxville starting at S$ 106
We've found these cheap flights for you. You can book one-way or return flight tickets.
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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 LinesS$ 273 S$ 40533% OFF33% OFFS$ 405 S$ 273 -
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 LinesS$ 273 S$ 40533% OFF33% OFFS$ 405 S$ 273
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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 LinesS$ 273 S$ 40533% OFF33% OFFS$ 405 S$ 273
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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 LinesS$ 27333% OFFS$ 405 S$ 273
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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 LinesS$ 27333% OFFS$ 405 S$ 273
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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 LinesS$ 27931% OFFS$ 405 S$ 279
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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 LinesS$ 28330% OFFS$ 405 S$ 283
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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 LinesS$ 28430% OFFS$ 405 S$ 284
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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 LinesS$ 30126% OFFS$ 405 S$ 301
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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 LinesS$ 30425% OFFS$ 405 S$ 304
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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 AirlinesS$ 106 S$ 22553% OFF53% OFFS$ 225 S$ 106 -
AUS 06:108h 36m1 stopsTYS 15:46Austin - Knoxville | Sun, Apr 13 | Frontier AirlinesS$ 126 S$ 22544% OFF44% OFFS$ 225 S$ 126
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AUS 08:254h 15m1 stopsTYS 13:40Austin - Knoxville | Wed, Apr 2 | Delta Air LinesS$ 138 S$ 22539% OFF39% OFFS$ 225 S$ 138
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AUS 06:455h 29m1 stopsTYS 13:14Austin - Knoxville | Wed, May 7 | Delta Air LinesS$ 14138% OFFS$ 225 S$ 141
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AUS 05:304h 39m1 stopsTYS 11:09Austin - Knoxville | Wed, Apr 30 | Delta Air LinesS$ 14137% OFFS$ 225 S$ 141
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AUS 05:305h 33m1 stopsTYS 12:03Austin - Knoxville | Tue, Apr 8 | Delta Air LinesS$ 14137% OFFS$ 225 S$ 141
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AUS 06:1028h 36m1 stopsTYS 11:46Austin - Knoxville | Thu, Apr 17 | Frontier AirlinesS$ 14834% OFFS$ 225 S$ 148
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AUS 05:304h 39m1 stopsTYS 11:09Austin - Knoxville | Sun, Apr 20 | Delta Air LinesS$ 15730% OFFS$ 225 S$ 157
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AUS 06:108h 36m1 stopsTYS 15:46Austin - Knoxville | Sun, Apr 20 | Frontier AirlinesS$ 16626% OFFS$ 225 S$ 166
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AUS 16:225h 53m1 stopsTYS 23:15Austin - Knoxville | Tue, Apr 8 | United AirlinesS$ 16925% OFFS$ 225 S$ 169 -
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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Frequently Asked Questions
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When to buy 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 is a flight from Austin (AUS) to Knoxville (TYS) cost?
According to Trip.com's data, the lowest price is around S$ 599. -
How long is a 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?
There are 1 airports near Knoxville: 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.
Choose your dates flexibly and get the best deals on flights from Austin to Knoxville.
Tap 'Date' on the flight search bar to browse the calendar for Austin to Knoxville airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Thu, Apr 10, with one-way flights starting at S$ 106.
Compare cheap flight deals from hundreds of airlines for Austin to Knoxville flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Austin to Knoxville. The cheapest flight at the moment is with Frontier Airlines.
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Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from Austin to Knoxville to get your exclusive deals.
Find cheapest flight ticket from Austin to Knoxville
| Cheapest one-way flight price | S$ 105 |
|---|---|
| Off-season for travel | 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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