Direct (nonstop) flights from Saint Petersburg to Knoxville
1 airline flys nonstop from St. Pete–Clearwater International Airport (PIE) to Mc Ghee Tyson (TYS). It's 549 miles (883 km), about 1h 42m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 23, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Saint Petersburg to Knoxville with one stop · direct emits 102 kg CO₂ per passenger
Looking for the return flight?
TYS → PIE: Flights from Knoxville to Saint PetersburgOther direct flights from Saint Petersburg
Direct flights from Knoxville (TYS)
Frequently Asked Questions
How long is the direct flight from Saint Petersburg to Knoxville?
A nonstop flight from Saint Petersburg (PIE) to Knoxville (TYS) takes approximately 1 hours and 42 minutes. The distance is 549 miles (883 km).
Which airlines fly nonstop from Saint Petersburg to Knoxville?
Just Allegiant Air.
Is there a nonstop flight from Saint Petersburg to Knoxville?
Yes. 1 airline: Allegiant Air.
How far is Saint Petersburg from Knoxville?
The flight distance from Saint Petersburg to Knoxville is 549 miles (883 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Saint Petersburg to Knoxville?
At 1h 42m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Saint Petersburg to Knoxville?
Roughly 102 kg CO2 per passenger one-way. That's about the same as driving 510 km.
Is the return flight from Knoxville to Saint Petersburg 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 Saint Petersburg 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 St. Pete–Clearwater International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.