Cheap Flights from Austin, TX to Knoxville, TN from $51
On Cheapflightsplus.com you will find 3 direct and 437 connecting flights from Austin to Knoxville. You can compare airfare deals from 5 airlines and multiple travel sites from $51, book and save on cheap plane tickets and last minute offers. Also check out AUS-TYS 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 Austin to Knoxville depends on and how to choose the most interesting flight option for you.
Distance between Austin and Knoxville is 1418 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 20:57 from 3 Austin airports and arrive 05:00 to 20:57 to 1 Knoxville airport. Average flight time is 2h 17m.
- The fastest flight 2h 16m
- Average flight time 2h 17m
- The earliest flight 05:00
- The latest flight 20:57
- Distance 882 ml
Best Flights from Austin to Knoxville Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $51 | 13:28 Austin Austin-Bergstrom Intl | 16:45 Knoxville Mc Ghee Tyson | 2h 17m | Allegiant Air | G41431 |
| from $75 | 09:05 Austin Austin-Bergstrom Intl | 12:22 Knoxville Mc Ghee Tyson | 2h 17m | Allegiant Air | G43032 |
| from $81 | 08:28 Austin Austin-Bergstrom Intl | 10:24+1 день Knoxville Mc Ghee Tyson | 24h 56m layover 20h 39m - Sarasota | Allegiant Air | G43007 G43002 |
| from $95 | 19:28 Austin Austin-Bergstrom Intl | 15:12+1 день Knoxville Mc Ghee Tyson | 18h 44m layover 14h 37m - Sanford | Allegiant Air | G42825 G41411 |
The cheapest months to travel to Knoxville are august (from 51 $), july (from 75 $), june (from 79 $).
The most expensive months are october (from 130 $), september (from 120 $), may (from 104 $).
What is the lowest airfare Austin to Knoxville?
The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way G41431 flight by Allegiant Air for August 15, 2025 which leaves Austin-Bergstrom Intl in Austin at 13:28 am and arrives at Knoxville Mc Ghee Tyson at 16:45.
Flight Schedule Austin (Texas) to Knoxville (Tennessee)
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Popular Airlines on the Route
The flight Austin — Knoxville is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 2 departures per week at the price of from $ 1200 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1200.
Direct flights
There are 3 nonstop flights on the route. The fastest direct flight is G43033 by Allegiant Air takes 2h 16m and the cheapest is G41431 by Allegiant Air for $51.
- G4 - Allegiant Airfrom $51Find
Connecting Flights
There are 437 flights with layovers on the route. The fastest connecting flight is UA1646 by United Airlines takes 4h 19m and the cheapest is G41431 by Allegiant Air for $81.
- AS - Alaska Airlinesfrom $1200Find
- F9 - Frontier Airlinesfrom $122Find
- UA - United Airlinesfrom $139Find
- G4 - Allegiant Airfrom $81Find
- NK - Spirit Airlinesfrom $120Find
Airports
You can fly from Austin to Knoxville from 3 airports (Austin-Bergstrom Intl, Austin, Camp Maybry AHP).
Austin airports
- Austin-Bergstrom Intl-AUSfrom $51Find
- Austin-ASQFind
- Camp Maybry AHP-MMRFind
Knoxville airports
- Mc Ghee Tyson-TYSFind
Airplanes
There are flights to Knoxville from Austin by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Austin
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Top International Destinations from Austin
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.
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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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