Saint Petersburg (PIE) to Louisville (SDF) flights
One airline flies nonstop from Saint Petersburg (PIE) to Louisville (SDF): 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 PIE to SDF
- Allegiant AirNot in an alliance
PIE to SDF with one stop
3 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Allegiant Air, then Southwest Airlines
- Via Pittsburgh (PIT)Allegiant Air, then Breeze Airways
- Via Philadelphia (PHL)Allegiant Air, then American Airlines
PIE to SDF: common questions
Which airlines fly nonstop from PIE to SDF?
Allegiant Air flies nonstop from Saint Petersburg (PIE) to Louisville (SDF).
How far is Saint Petersburg from Louisville by plane?
Saint Petersburg (PIE) and Louisville (SDF) 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 PIE to SDF 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 SDF with taxes and fees.
Where can I connect between Saint Petersburg and Louisville?
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.