Direct (nonstop) flights from Portsmouth to Saint Petersburg

1 airline flys nonstop from Pease Air Force Base (PSM) to St. Pete–Clearwater International Airport (PIE). It's 1,238 miles (1,993 km), about 3h 19m in the air. Operated by Allegiant Air.

PSM
Pease Air Force Base
🇺🇸 Portsmouth, USA
PIE
St. Pete–Clearwater International Airport
🇺🇸 Saint Petersburg, USA
Flight Time
3h 19m
Distance
1,238 mi
1,993 km
CO₂/pax
209 kg
Airlines
1
Allegiant Air
Time Diff
Same timezone
Operated by Allegiant Air Allegiant Air

Route data last updated: May 27, 2026

Airlines with non-stop flights

Allegiant Air G4 Allegiant Air
Route
PSM → PIE
Flight Time
3h 19m
Distance
1,238 mi

Frequently Asked Questions

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

A nonstop flight from Portsmouth (PSM) to Saint Petersburg (PIE) takes approximately 3 hours and 19 minutes. The distance is 1,238 miles (1,993 km).

Which airlines fly nonstop from Portsmouth to Saint Petersburg?

Just Allegiant Air.

Is there a nonstop flight from Portsmouth to Saint Petersburg?

Yes. 1 airline: Allegiant Air.

How far is Portsmouth from Saint Petersburg?

The flight distance from Portsmouth to Saint Petersburg is 1,238 miles (1,993 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What type of aircraft flies from Portsmouth to Saint Petersburg?

At 3h 19m, 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 Portsmouth to Saint Petersburg?

Roughly 209 kg CO2 per passenger one-way. That's about the same as driving 1,045 km.

Is the return flight from Saint Petersburg to Portsmouth 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 Portsmouth 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 Pease Air Force Base for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.