Cheap Flights from Portsmouth (PSM) to St. Petersburg (PIE)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to St. Petersburg-Clearwater Intl. Airport (PIE)

Alternative airports near St. Petersburg

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tampa Intl. TPA. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $529
TPA
Tampa Intl.
Cheapest
Average driving time to city center24 min
Flights from $529
Flights from Portsmouth (PSM) to St. Petersburg (PIE)
Origin airport
Portsmouth Intl.
Destination airport
St. Petersburg-Clearwater Intl.
Distance
1240 mi

Portsmouth to St. Petersburg Flights

The cheapest times to fly from Portsmouth to St. Petersburg

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portsmouth to St. Petersburg are during the month of . You can find some of the cheapest flights from Portsmouth to St. Petersburg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portsmouth to St. Petersburg

Sunday is one of the best days to book for cheap flights from Portsmouth to St. Petersburg: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portsmouth to St. Petersburg

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portsmouth to St. Petersburg in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portsmouth to St. Petersburg flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portsmouth to St. Petersburg airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE) cost?
Snag a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE)?
The cheapest month to fly from PSM to PIE is , when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE)?
To find the cheapest airline that'll fly you from PSM to PIE, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE)?
There aren't any daily nonstop flights departing from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PSM to PIE?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE)?
To land at St. Petersburg-Clearwater Intl. Airport (PIE) on time, book a flight that leaves from Portsmouth Intl. Airport (PSM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for St. Petersburg - Clearwater from Portsmouth Intl. Airport (PSM)?
If you're traveling on a direct flight from Portsmouth Intl. Airport (PSM) to St. Petersburg - Clearwater, Sarasota-Bradenton Intl. Airport (SRQ) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE) last-minute?
Booking your ticket from PSM to PIE just before your getaway is typically more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a PSM to PIE flight and hotel package?
Compared with arranging hotels and flights separately, booking a PSM to PIE flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to St. Petersburg-Clearwater Intl. Airport (PIE)?
If you reserved your PSM to PIE flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.