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St Petersburg

Cheap flights from Portsmouth, NH to Tampa (PSM - PIE)

PSM — PIE
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Find flight deals from Portsmouth to St Petersburg

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (PSM) to St Petersburg (PIE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

September

Average price

$237
Provider with most accurate pricing for Portsmouth Pease Intl-Tampa St. Petersburg flight deals.
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Provider most trusted by Cheapflights users for Portsmouth Pease Intl-Tampa St. Petersburg flights.
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Highest demand for flights based on searches. 17% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Compare providers for flights from Portsmouth to St Petersburg

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portsmouth to St Petersburg in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portsmouth, New Hampshire-Tampa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portsmouth, New Hampshire-Tampa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portsmouth, New Hampshire-Tampa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portsmouth, New Hampshire-Tampa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portsmouth, New Hampshire-Tampa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portsmouth to St Petersburg

Have a flexible travel schedule? Discover the best time to fly to St Petersburg from Portsmouth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Tampa

What is the cheapest month to book a flight from Portsmouth, New Hampshire to Tampa?

Currently, February is the cheapest month in which you can book a flight from Portsmouth, New Hampshire to Tampa (average of $36). Flying from Portsmouth, New Hampshire to Tampa in December is currently the most expensive (average of $80). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PSM to PIE?

Find hourly flight availability from Portsmouth to St Petersburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

It’s typically best to fly out from Portsmouth, New Hampshire to Tampa in the evening. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing St Petersburg

Get insights into the airlines that provide service to St Petersburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St Petersburg. Reviews last updated January 27, 2026.
See what other customers who have flown with Allegiant Air from Portsmouth to Tampa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
706 reviews

Entertainment

5.5

Crew

8.1

Food

5.9

Overall

7.2

Comfort

6.8

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Sara,Nov 2025

PSC - AZA

We were delayed and then couldn’t get off due to lightening.
Allegiant Air
7.2
Good
706 reviews
Allegiant Air
7.2
Good
706 reviews

Entertainment

5.5

Crew

8.1

Food

5.9

Overall

7.2

Comfort

6.8

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Sara,Nov 2025

PSC - AZA

We were delayed and then couldn’t get off due to lightening.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to St Petersburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Portsmouth, New Hampshire to Tampa flight route?

    Flights from Portsmouth Pease Intl to Tampa St. Petersburg have been viewed 1 times in the past calendar month.

  • What is the cheapest airline to fly from Portsmouth, New Hampshire to Tampa round-trip?

    According to our current data, Allegiant Air ($47), offers the cheapest pricing from Portsmouth, New Hampshire to Tampa.

  • Can I find deals for flights from Portsmouth to St Petersburg that include hotel bookings?

    Yes. In addition to deals on Portsmouth to St Petersburg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to St Petersburg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to St Petersburg.

  • Can I find deals for business class flights from Portsmouth to St Petersburg?

    Yes. Cheapflights offers flight deals from Portsmouth to St Petersburg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portsmouth, New Hampshire to Tampa?

    Currently, February is the cheapest month in which you can book a flight from Portsmouth, New Hampshire to Tampa (average of $36). Flying from Portsmouth, New Hampshire to Tampa in December is currently the most expensive (average of $80). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Portsmouth to St Petersburg

Discover the top airline that operate flights from Portsmouth to St Petersburg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$47Average$222FlexibilityNo cancel feeOn-time88%

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