Direct (nonstop) flights from Philadelphia to Knoxville
2 airlines fly nonstop from Philadelphia International Airport (PHL) to Mc Ghee Tyson (TYS). It's 554 miles (892 km), about 2h 12m in the air. Operated by American Airlines, Allegiant Air.
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Philadelphia to Knoxville with one stop · direct emits 103 kg CO₂ per passenger
Looking for the return flight?
TYS → PHL: Flights from Knoxville to PhiladelphiaOther direct flights from Philadelphia
Direct flights from Knoxville (TYS)
Frequently Asked Questions
How long is the direct flight from Philadelphia to Knoxville?
A nonstop flight from Philadelphia (PHL) to Knoxville (TYS) takes approximately 2 hours and 12 minutes. The distance is 554 miles (892 km).
Which airlines fly nonstop from Philadelphia to Knoxville?
2 airlines: American Airlines, Allegiant Air.
Is there a nonstop flight from Philadelphia to Knoxville?
Yes. 2 airlines: American Airlines, Allegiant Air.
How far is Philadelphia from Knoxville?
The flight distance from Philadelphia to Knoxville is 554 miles (892 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Philadelphia to Knoxville?
At 2h 12m, 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 Philadelphia to Knoxville?
Roughly 103 kg CO2 per passenger one-way. That's about the same as driving 515 km.
Is the return flight from Knoxville to Philadelphia 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 Philadelphia to Knoxville?
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 Philadelphia International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.