starting at $114
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Austin to Knoxville. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Austin to Knoxville
A non-stop flight is the most convenient and comfortable way to fly from Austin to Knoxville, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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You can fly from Austin to Knoxville with Allegiant Air. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $114. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Allegiant Air is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.
starting at $114
Austin — Knoxville
10/01/2026
Departure
Direct flight
G41398
starting at $175
There are most likely no direct flights on the Austin — Knoxville route
The cheapest flight ticket from Austin to Knoxville according to data for the last 48 hours costs $114
Often the best time to buy tickets from Austin to Knoxville is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Austin to Knoxville can be found flying in these months: October.
The fastest flights from Austin to Knoxville start from 2 hours 16 minutes in the air.
The following airlines operate direct flights on the route Austin — Knoxville: Allegiant Air
The cheapest one-way flight from Austin to Knoxville departs on 10/01/2026, is operated by Allegiant Air and costs $114
The cheapest roundtrip flight from Austin to Knoxville departs on 11/09/2026, is operated by Allegiant Air and costs $272
Fastest flight from Austin to Knoxville takes
All airports
There are direct flights on this route 1 day a week: Th
The distance between Austin and Knoxville is 1432km (888 miles). There are 5 direct flights from Austin to Knoxville. The time difference between Austin and Knoxville is 1h. Flights from Austin begin at 9:40 AM. The latest flight from Austin departs at 2:19 PM
We couldn't find any special offers for flights from Austin to Knoxville