Direct (nonstop) flights from Saint Petersburg to Portsmouth
1 airline flys nonstop from St. Pete–Clearwater International Airport (PIE) to Pease Air Force Base (PSM). It's 1,238 miles (1,993 km), about 3h 2m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 31, 2026
Airlines with non-stop flights
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PSM → PIE: Flights from Portsmouth to Saint PetersburgOther direct flights from Saint Petersburg
Direct flights from Portsmouth (PSM)
Frequently Asked Questions
How long is the direct flight from Saint Petersburg to Portsmouth?
A nonstop flight from Saint Petersburg (PIE) to Portsmouth (PSM) takes approximately 3 hours and 2 minutes. The distance is 1,238 miles (1,993 km).
Which airlines fly nonstop from Saint Petersburg to Portsmouth?
Just Allegiant Air.
Is there a nonstop flight from Saint Petersburg to Portsmouth?
Yes. 1 airline: Allegiant Air.
How far is Saint Petersburg from Portsmouth?
The flight distance from Saint Petersburg to Portsmouth 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 Saint Petersburg to Portsmouth?
At 3h 2m, 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 Portsmouth?
Roughly 209 kg CO2 per passenger one-way. That's about the same as driving 1,045 km.
Is the return flight from Portsmouth 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 Portsmouth?
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.