St. Petersburg to Portsmouth nonstop
Yes: Allegiant flies direct from St. Petersburg (PIE) to Portsmouth (PSM) about 1 time a week, in the summer season only.
Hotel bookings pay us a small commission; the flight search doesn't.
St. Petersburg to Portsmouth in numbers
Measured from US DOT filings, not estimated from distance.
- Distance and flight time
- 1,239 miles nonstop, about 3 hr 5 min gate to gate. Flight time is an estimate from the great-circle distance; the filings carry distance, not scheduled elapsed time.
- Seasonality
- Flew Apr 2026 to Aug 2026, up to 3 flights a week, with no flights the rest of the year.
- Sep 2025: no regular flights
- Oct 2025: no regular flights
- Nov 2025: no regular flights
- Dec 2025: no regular flights
- Jan 2026: no regular flights
- Feb 2026: no regular flights
- Mar 2026: no regular flights
- Apr 2026: 1 flights a week
- May 2026: 3 flights a week
- Jun 2026: 2 flights a week
- Jul 2026: 2 flights a week
- Aug 2026: 1 flights a week
Flights a week by month, Sep 2025 to Aug 2026, from US DOT on-time filings. - Who operates the flights
- Allegiant is the only carrier filing this pair.
- Fares
- Half of the 283 tickets in the US DOT fare survey for Q2 2025 sold between $25 and $125 one way, median $50. The survey runs a couple of quarters behind, so read it as the shape of the route's pricing rather than today's quote.
Flying the other way? Portsmouth to St. Petersburg nonstop.
Other airports near St. Petersburg with nonstops to Portsmouth
Within about 100 miles of St. Petersburg Clearwater International Airport
Also nonstop from St. Petersburg (PIE)
Busiest other routes out of the same airport
- Asheville (AVL) about 10 times a week
- Knoxville (TYS) about 8 times a week
- Cincinnati (CVG) about 7 times a week
- Key West (EYW) about 6 times a week
- Allentown/Bethlehem/Easton (ABE) about 5 times a week
- Grand Rapids (GRR) about 5 times a week
- Flint (FNT) about 4 times a week
- Concord (USA) about 4 times a week
Staying in Portsmouth?
Sort out where you'll sleep and what you'll do once you land.
Exploring Portsmouth on foot? Take the free GPS audio walking tour
Nonstop Scout earns a commission on bookings made through these links, at no extra cost to you. It does not change which routes or fares we show.
Ready to compare fares?
Nonstop Scout earns a commission on hotel and activity bookings made through the links above. The flight search link pays us nothing; it's here because it's the best one.
Take every nonstop with you. Get the free Nonstop Scout app for iPhone.
