Louisville (SDF) to Saint Petersburg (PIE) flights
One airline flies nonstop from Louisville (SDF) to Saint Petersburg (PIE): Allegiant Air. The two airports are 731 miles (1,176 km) apart. There are also 3 ways to fly it with one stop, through Nashville, Pittsburgh and Philadelphia.
Airlines flying nonstop from SDF to PIE
- Allegiant AirNot in an alliance

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


- Via Pittsburgh (PIT)Breeze Airways, then Allegiant Air


- Via Philadelphia (PHL)American Airlines, then Allegiant Air


SDF to PIE: common questions
Which airlines fly nonstop from SDF to PIE?
Allegiant Air flies nonstop from Louisville (SDF) to Saint Petersburg (PIE).
How far is Louisville from Saint Petersburg by plane?
Louisville (SDF) and Saint Petersburg (PIE) are 731 miles (1,176 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does SDF to PIE cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SDF to PIE with taxes and fees.
Where can I connect between Louisville and Saint Petersburg?
The most direct connections are through Nashville (BNA), Pittsburgh (PIT) and Philadelphia (PHL).
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.