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 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



- Via Bentonville (XNA)Delta Air Lines, then American Airlines


- Via Memphis (MEM)Allegiant Air, then American Airlines and Southwest Airlines



- Via Dallas (DFW)American Airlines the whole way



- Via Dallas (DAL)Southwest Airlines the whole way


- Via Birmingham (BHM)United Airlines, then Southwest Airlines


- Via Atlanta (ATL)Delta Air Lines the whole way


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- Via Austin (AUS)Southwest Airlines, American Airlines and 1 more the whole way

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- Via Denver (DEN)United Airlines and Southwest Airlines the whole way




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- Via Houston (IAH)United Airlines the whole way




- Via Houston (HOU)Allegiant Air, then Southwest Airlines


- Via New Orleans (MSY)American Airlines and Southwest Airlines the whole way





- Via Chicago (MDW)Allegiant Air, then Southwest Airlines


- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Charlotte (CLT)American Airlines the whole way


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.