United States · 881 miles (1,418 km)

Knoxville (TYS) to Austin (AUS) flights

4 airlines fly nonstop from Knoxville (TYS) to Austin (AUS): Allegiant Air, American Airlines, Delta Air Lines and Southwest Airlines. The two airports are 881 miles (1,418 km) apart. American Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 22 ways to fly it with one stop, through Memphis, Nashville and Houston and more.

Airlines flying nonstop from TYS to AUS

  • Allegiant Air logo
    Allegiant AirNot in an alliance
  • American Airlines logo
    American Airlinesoneworld · bookable with 9 programsWho books it
  • Delta Air Lines logo
    Delta Air LinesSkyTeam · bookable with 8 programsWho books it
  • Southwest Airlines logo
    Southwest AirlinesNot in an allianceWho books it

Book TYS to AUS with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

TYS to AUS with one stop

22 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Memphis (MEM)Allegiant Air, then American Airlines, Delta Air Lines and 1 more
    Allegiant Air logo
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Houston (HOU)Allegiant Air, then Southwest Airlines
    Allegiant Air logo
    Southwest Airlines logo
  • Via Baton Rouge (BTR)Delta Air Lines, then American Airlines and United Airlines
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via New Orleans (MSY)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Bentonville (XNA)Delta Air Lines, then American Airlines
    Delta Air Lines logo
    American Airlines logo
  • Via Fort Walton Beach (VPS)Allegiant Air, then Southwest Airlines
    Allegiant Air logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Jacksonville (JAX)Allegiant Air, then Southwest Airlines and Delta Air Lines
    Allegiant Air logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Chicago (MDW)Allegiant Air, then Southwest Airlines
    Allegiant Air logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
See all 22 in Routes

TYS to AUS: common questions

Which airlines fly nonstop from TYS to AUS?

Allegiant Air, American Airlines (oneworld), Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Knoxville (TYS) to Austin (AUS).

How far is Knoxville from Austin by plane?

Knoxville (TYS) and Austin (AUS) are 881 miles (1,418 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book TYS to AUS award flights?

17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does TYS to AUS cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for TYS to AUS with taxes and fees.

Where can I connect between Knoxville and Austin?

The most direct connections are through Memphis (MEM), Nashville (BNA), Houston (IAH), Houston (HOU) and Baton Rouge (BTR). On 14 of them the same airline flies both flights, for example Southwest Airlines through Nashville.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.