Direct (nonstop) flights from Knoxville to Phoenix
1 airline flys nonstop from Mc Ghee Tyson (TYS) to Phoenix Sky Harbor International (PHX). It's 1,599 miles (2,573 km), about 4h 1m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Knoxville to Phoenix with one stop · direct emits 270 kg CO₂ per passenger
Looking for the return flight?
PHX → TYS: Flights from Phoenix to KnoxvilleOther direct flights from Knoxville
Direct flights from Phoenix (PHX)
Frequently Asked Questions
How long is the direct flight from Knoxville to Phoenix?
A nonstop flight from Knoxville (TYS) to Phoenix (PHX) takes approximately 4 hours and 1 minutes. The distance is 1,599 miles (2,573 km).
Which airlines fly nonstop from Knoxville to Phoenix?
Just Allegiant Air.
Is there a nonstop flight from Knoxville to Phoenix?
Yes. 1 airline: Allegiant Air.
How far is Knoxville from Phoenix?
The flight distance from Knoxville to Phoenix is 1,599 miles (2,573 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Knoxville to Phoenix?
At 4h 1m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Knoxville to Phoenix?
Roughly 270 kg CO2 per passenger one-way. That's about the same as driving 1,350 km.
Is the return flight from Phoenix to Knoxville also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Knoxville to Phoenix?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Mc Ghee Tyson for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.