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All scheduled flights from Saint Petersburg to Portsmouth (PIE-PSM)

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There is only one scheduled flight from PIE to PSM. You can fly from Saint Petersburg to Portsmouth non-stop on Wednesdays and the flight takes about 3 hours.
PIE-PSM
- Flight has a long layover time at the stop-airport and will affect your flight time.
- Change of terminals at the layover airport. This can go quickly or take time depending on the airport.
- Flight is partially or completely overnight (Red-eye flight).
- Airline or one of the airlines in the flight path is a low-cost carrier. Some travelers wants to avoid low-cost airlines.
- This is codeshare flight. A codeshare flight is an agreement between airlines to sell seats on each others flights. Click on the flight to see the actual flight operator.

The fastest option is flying non-stop between PIE and PSM with a total flight time of 3 hours and 6 minutes.

PSM is the IATA airport code for Pease Air Force Base Airport, Portsmouth, New Hampshire.

Yes, you can fly non-stop from PIE to PSM with Allegiant Air.

It all depends on what dates you plan on flying. But the approximate round-trip price for one passenger with Allegiant Air is $156.