Orlando/Sanford to Portsmouth Flights on Allegiant from $54*
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Flights from Orlando/Sanford to Portsmouth
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Deals from Orlando/Sanford to Portsmouth
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: December 24 2025 | From $54 Seen: 15 hrs ago |
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: February 5 2026 | From $54 Seen: 8 hrs ago |
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: February 14 2026 | From $54 Seen: 1 day ago |
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: December 23 2025 | From $62 Seen: 6 hrs ago |
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: February 8 2026 | From $72 Seen: 8 hrs ago |
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: December 11 2025 | From $84 Seen: 14 minutes ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Flight Details
Departing From:
Orlando Sanford International Airport (SFB)
Arriving To:
Portsmouth International Airport (PSM)
Average Flight Time:
02 hours 48 minutes
Travel Tips
Bundles are packages of popular services with an added discount.
Select a bundle to:
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Streamline the booking experience
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Save time
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Save money!
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Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.
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Benefits include free checked bag, carry on, etc. Click here to learn more.
Lock in the lowest price by adding your checked and carryon bags when you book your flight.
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By charging for carry-ons, we ensure there is space for everyone who needs it.
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This leads to speedier boarding. Click here to see your bag options.
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About Portsmouth
Portsmouth International Airport at Pease is located 1 mile west from the central business district of Portsmouth, NH. Explore and get to know Portsmouth by booking a car along with your flight. Allegiant offers exclusive discounts with Enterprise when you rent a car with your flight to Portsmouth.
Frequently Asked Questions
Yes, Allegiant provides in-flight service on every flight. For more details on the variety of snacks and drinks available on board flights for purchase, check out our In Flight Refreshments & Services page.
Yes, all Allegiant Air flights from Orlando / Sanford to Portsmouth are nonstop.
The day with the lowest fare can differ week to week. To find out what upcoming days have the lowest price to from fly Orlando / Sanford to Portsmouth, please check out our flight search tool, which makes finding our lowest fare a breeze.
You can make changes to your reservation from Orlando / Sanford to Portsmouth a breeze by clicking Manage Trips on our homepage. Fees and fare difference may apply.
Click Flight Status on our homepage to view the status of your upcoming flight from Orlando / Sanford to Portsmouth.
Yes you can book a rental car. Yes, rental car facilities are available in Portsmouth. Allegiant offers exclusive discounts with Alamo, Enterprise and National when you book a car together with your flight from Orlando / Sanford to Portsmouth. Allegiant’s travel bundle makes flying a breeze.
