Direct flights from Phoenix to Knoxville PHX → TYS
Allegiant Air flies nonstop from Phoenix (PHX) to Knoxville (TYS), 3–4 times a week. The flight takes about 3h 48m and covers 1,596 miles (2,568 km). Arrivals run on time 80.9% at PHX and 73.5% at TYS — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
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Allegiant Air
G4
Frequently asked questions
Is there a direct flight from Phoenix to Knoxville?
Yes, Allegiant Air operates nonstop flights from Phoenix (PHX) to Knoxville (TYS).
Which airlines fly direct from Phoenix to Knoxville?
Allegiant Air operates nonstop flights from Phoenix to Knoxville.
How long is the flight from Phoenix to Knoxville?
The nonstop flight from Phoenix to Knoxville takes ~3h 48m (approximately 2568 km).
How often do direct flights operate from Phoenix to Knoxville?
Nonstop flights from Phoenix to Knoxville operate 3–4×/week.
What is the on-time performance for flights from Phoenix to Knoxville?
Arrivals run on time 80.9% at PHX and 73.5% at TYS — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
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