Direct flights from Knoxville to Phoenix TYS → PHX
Allegiant Air flies nonstop from Knoxville (TYS) to Phoenix (PHX). The flight takes about 3h 48m and covers 1,596 miles (2,568 km). Arrivals run on time 73.5% at TYS and 80.9% at PHX — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
🔔 Watch TYS → PHX
We'll run this search daily and email you the cheapest direct fares we find.
Free · checked daily · one-click unsubscribe
Allegiant Air
G4
Frequently asked questions
Is there a direct flight from Knoxville to Phoenix?
Yes, Allegiant Air operates nonstop flights from Knoxville (TYS) to Phoenix (PHX).
Which airlines fly direct from Knoxville to Phoenix?
Allegiant Air operates nonstop flights from Knoxville to Phoenix.
How long is the flight from Knoxville to Phoenix?
The nonstop flight from Knoxville to Phoenix takes ~3h 48m (approximately 2568 km).
What is the on-time performance for flights from Knoxville to Phoenix?
Arrivals run on time 73.5% at TYS and 80.9% at PHX — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
Explore More
Scout — our search agent — hunts nonstop fares from Knoxville every night and pings you when one's worth booking.
Watch it work →