Direct (nonstop) flights from Knoxville to Austin
3 airlines fly nonstop from Mc Ghee Tyson (TYS) to Austin-Bergstrom International Airport (AUS). It's 882 miles (1,419 km), about 2h 28m in the air. Operated by American Airlines, Allegiant Air, Southwest Airlines.
American Airlines
Allegiant Air
Southwest Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AA
American Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Knoxville to Austin with one stop · direct emits 163 kg CO₂ per passenger
Looking for the return flight?
AUS → TYS: Flights from Austin to KnoxvilleOther direct flights from Knoxville
Direct flights from Austin (AUS)
Frequently Asked Questions
How long is the direct flight from Knoxville to Austin?
A nonstop flight from Knoxville (TYS) to Austin (AUS) takes approximately 2 hours and 28 minutes. The distance is 882 miles (1,419 km).
Which airlines fly nonstop from Knoxville to Austin?
3 airlines: American Airlines, Allegiant Air, Southwest Airlines.
Is there a nonstop flight from Knoxville to Austin?
Yes. 3 airlines: American Airlines, Allegiant Air, Southwest Airlines.
How far is Knoxville from Austin?
The flight distance from Knoxville to Austin is 882 miles (1,419 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.
What type of aircraft flies from Knoxville to Austin?
At 2h 28m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Knoxville to Austin?
Roughly 163 kg CO2 per passenger one-way. That's about the same as driving 815 km.
Is the return flight from Austin to Knoxville also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Knoxville to Austin?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Mc Ghee Tyson for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.