Direct (nonstop) flights from Knoxville to Saint Petersburg
1 airline flys nonstop from Mc Ghee Tyson (TYS) to St. Pete–Clearwater International Airport (PIE). It's 549 miles (883 km), about 1h 40m 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 Saint Petersburg with one stop · direct emits 102 kg CO₂ per passenger
Looking for the return flight?
PIE → TYS: Flights from Saint Petersburg to KnoxvilleOther direct flights from Knoxville
Direct flights from Saint Petersburg (PIE)
Frequently Asked Questions
How long is the direct flight from Knoxville to Saint Petersburg?
A nonstop flight from Knoxville (TYS) to Saint Petersburg (PIE) takes approximately 1 hours and 40 minutes. The distance is 549 miles (883 km).
Which airlines fly nonstop from Knoxville to Saint Petersburg?
Just Allegiant Air.
Is there a nonstop flight from Knoxville to Saint Petersburg?
Yes. 1 airline: Allegiant Air.
How far is Knoxville from Saint Petersburg?
The flight distance from Knoxville to Saint Petersburg is 549 miles (883 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Knoxville to Saint Petersburg?
At 1h 40m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Knoxville to Saint Petersburg?
Roughly 102 kg CO2 per passenger one-way. That's about the same as driving 510 km.
Is the return flight from Saint Petersburg 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 Saint Petersburg?
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.