Saint Petersburg (PIE) to Knoxville (TYS) flights
One airline flies nonstop from Saint Petersburg (PIE) to Knoxville (TYS): Allegiant Air. The two airports are 551 miles (886 km) apart. There are also 5 ways to fly it with one stop, through Nashville, Memphis and Key West and more.
Airlines flying nonstop from PIE to TYS
- Allegiant AirNot in an alliance

PIE to TYS with one stop
5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Allegiant Air, then Southwest Airlines


- Via Memphis (MEM)Allegiant Air the whole way


- Via Key West (EYW)Allegiant Air the whole way


- Via Bentonville (XNA)Allegiant Air, then Delta Air Lines


- Via Philadelphia (PHL)Allegiant Air the whole way



PIE to TYS: common questions
Which airlines fly nonstop from PIE to TYS?
Allegiant Air flies nonstop from Saint Petersburg (PIE) to Knoxville (TYS).
How far is Saint Petersburg from Knoxville by plane?
Saint Petersburg (PIE) and Knoxville (TYS) are 551 miles (886 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does PIE to TYS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PIE to TYS with taxes and fees.
Where can I connect between Saint Petersburg and Knoxville?
The most direct connections are through Nashville (BNA), Memphis (MEM), Key West (EYW), Bentonville (XNA) and Philadelphia (PHL). On 3 of them the same airline flies both flights, for example Allegiant Air through Memphis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.