United States · 1,596 miles (2,568 km)

Knoxville (TYS) to Phoenix (PHX) flights

One airline flies nonstop from Knoxville (TYS) to Phoenix (PHX): Allegiant Air. The two airports are 1,596 miles (2,568 km) apart. There are also 29 ways to fly it with one stop, through Nashville, Bentonville and Memphis and more.

Airlines flying nonstop from TYS to PHX

  • Allegiant Air logo
    Allegiant AirNot in an alliance

TYS to PHX with one stop

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

  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
    American Airlines logo
  • Via Bentonville (XNA)Delta Air Lines, then American Airlines
    Delta Air Lines logo
    American Airlines logo
  • Via Memphis (MEM)Allegiant Air, then American Airlines and Southwest Airlines
    Allegiant Air logo
    American Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Birmingham (BHM)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    +1
  • Via Austin (AUS)Southwest Airlines, American Airlines and 1 more the whole way
    Allegiant Air logo
    Southwest Airlines logo
    American Airlines logo
    +1
    American Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
    +1
  • Via Denver (DEN)United Airlines and Southwest Airlines the whole way
    United Airlines logo
    Allegiant Air logo
    Southwest Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Houston (HOU)Allegiant Air, then Southwest Airlines
    Allegiant Air logo
    Southwest Airlines logo
  • Via New Orleans (MSY)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Breeze Airways 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
    Frontier Airlines logo
    United Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
See all 29 in Routes

TYS to PHX: common questions

Which airlines fly nonstop from TYS to PHX?

Allegiant Air flies nonstop from Knoxville (TYS) to Phoenix (PHX).

How far is Knoxville from Phoenix by plane?

Knoxville (TYS) and Phoenix (PHX) are 1,596 miles (2,568 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

How many miles does TYS to PHX 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 PHX with taxes and fees.

Where can I connect between Knoxville and Phoenix?

The most direct connections are through Nashville (BNA), Bentonville (XNA), Memphis (MEM), Dallas (DFW) and Dallas (DAL). On 21 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.