Direct (nonstop) flights from Saint Petersburg to Louisville

1 airline flys nonstop from St. Pete–Clearwater International Airport (PIE) to Louisville International Airport (SDF). It's 728 miles (1,172 km), about 2h 7m in the air. Operated by Allegiant Air.

PIE
St. Pete–Clearwater International Airport
🇺🇸 Saint Petersburg, USA
SDF
Louisville International Airport
🇺🇸 Louisville, USA
Flight Time
2h 7m
Distance
728 mi
1,172 km
CO₂/pax
135 kg
−31 kg vs. layover
Airlines
1
Allegiant Air
Time Diff
Same timezone
Operated by Allegiant Air Allegiant Air

Route data last updated: May 30, 2026

Airlines with non-stop flights

Allegiant Air G4 Allegiant Air
Route
PIE → SDF
Flight Time
2h 7m
Distance
728 mi

Alternative Routes

Other ways to fly from Saint Petersburg to Louisville with one stop · direct emits 135 kg CO₂ per passenger

PIE BNA (Nashville) SDF
Leg 1: 1h 55m (612 mi) Leg 2: 1h (150 mi) Total: ~2h 55m 🍃 166 kg CO₂ (+23% vs. direct)
Leg 1
PIE → BNA
1h 55m · 612 mi
View PIE to BNA flights →
Leg 2
BNA → SDF
1h · 150 mi
View BNA to SDF flights →
PIE PIT (Pittsburgh) SDF
Leg 1: 2h 23m (878 mi) Leg 2: 1h 29m (334 mi) Total: ~3h 52m 🍃 249 kg CO₂ (+84% vs. direct)
Leg 1
PIE → PIT
2h 23m · 878 mi
View PIE to PIT flights →
Leg 2
PIT → SDF
1h 29m · 334 mi
View PIT to SDF flights →
PIE MCI (Kansas City) SDF
Leg 1: 2h 54m (1,045 mi) Leg 2: 1h 35m (491 mi) Total: ~4h 29m 🍃 293 kg CO₂ (+117% vs. direct)
Leg 1
PIE → MCI
2h 54m · 1,045 mi
View PIE to MCI flights →
Leg 2
MCI → SDF
1h 35m · 491 mi
View MCI to SDF flights →
PIE MSP (Minneapolis) SDF
Leg 1: 3h 33m (1,306 mi) Leg 2: 2h (603 mi) Total: ~5h 33m 🍃 358 kg CO₂ (+165% vs. direct)
Leg 1
PIE → MSP
3h 33m · 1,306 mi
View PIE to MSP flights →
Leg 2
MSP → SDF
2h · 603 mi
View MSP to SDF flights →

Frequently Asked Questions

How long is the direct flight from Saint Petersburg to Louisville?

A nonstop flight from Saint Petersburg (PIE) to Louisville (SDF) takes approximately 2 hours and 7 minutes. The distance is 728 miles (1,172 km).

Which airlines fly nonstop from Saint Petersburg to Louisville?

Just Allegiant Air.

Is there a nonstop flight from Saint Petersburg to Louisville?

Yes. 1 airline: Allegiant Air.

How far is Saint Petersburg from Louisville?

The flight distance from Saint Petersburg to Louisville is 728 miles (1,172 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Saint Petersburg to Louisville?

At 2h 7m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Saint Petersburg to Louisville?

Roughly 135 kg CO2 per passenger one-way. That's about the same as driving 675 km.

Is the return flight from Louisville 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 Louisville?

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.