Cheap Flights from Knoxville, TN to Austin, TX from $47
On Cheapflightsplus.com you will find 2 direct and 366 connecting flights from Knoxville to Austin. You can compare airfare deals from 4 airlines and multiple travel sites from $47, book and save on cheap plane tickets and last minute offers. Also check out TYS-AUS flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Knoxville to Austin depends on and how to choose the most interesting flight option for you.
Distance between Knoxville and Austin is 1418 miles. Time difference between the cities is 1h. Airplanes depart 05:45 to 21:34 from 1 Knoxville airport and arrive 05:45 to 21:34 to 3 Austin airports. Average flight time is 2h 26m.
- The fastest flight 2h 20m
- Average flight time 2h 26m
- The earliest flight 05:45
- The latest flight 21:34
- Distance 882 ml
Best Flights from Knoxville to Austin Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $47 | 06:55 Knoxville Mc Ghee Tyson | 08:15 Austin Austin-Bergstrom Intl | 2h 20m | Allegiant Air | G41410 |
from $65 | 11:06 Knoxville Mc Ghee Tyson | 12:38 Austin Austin-Bergstrom Intl | 2h 32m | Allegiant Air | G43061 |
The cheapest months to travel to Austin are july (from 47 $), august (from 51 $), june (from 55 $).
The most expensive months are september (from 179 $), october (from 129 $), may (from 65 $).
What is the lowest airfare Knoxville to Austin?
The cheapest plane ticket found by our users is $47. This airfare is for economy class on one-way G41410 flight by Allegiant Air for July 4, 2025 which leaves Mc Ghee Tyson in Knoxville at 06:55 am and arrives at Austin Austin-Bergstrom Intl at 08:15.
Flight Schedule Knoxville (Tennessee) to Austin (Texas)
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Popular Airlines on the Route
The flight Knoxville — Austin is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 1 departures per week at the price of from $ 770 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 770.
Direct flights
There are 2 nonstop flights on the route. The fastest direct flight is G41410 by Allegiant Air takes 2h 20m and the cheapest is G41410 by Allegiant Air for $47.
- G4 - Allegiant Airfrom $47Find
Connecting Flights
There are 366 flights with layovers on the route. The fastest connecting flight is UA4913 by United Airlines takes 4h 11m and the cheapest is G41410 by Allegiant Air for $109.
- AS - Alaska Airlinesfrom $770Find
- F9 - Frontier Airlinesfrom $109Find
- UA - United Airlinesfrom $139Find
- G4 - Allegiant Airfrom $114Find
Airports
You can fly from Knoxville to Austin from 1 airports (Mc Ghee Tyson).
Knoxville airports
- Mc Ghee Tyson-TYSfrom $47Find
Austin airports
- Austin-Bergstrom Intl-AUSFind
- Austin-ASQFind
- Camp Maybry AHP-MMRFind
Airplanes
There are flights to Austin from Knoxville by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Knoxville
You may also consider searching for discounted plane tickets to some other popular places from Knoxville within United States.
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Top International Destinations from Knoxville
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $69Find
- from $61Find
How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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