Lowest Priced Flights to Portsmouth on Allegiant starting at $50*
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*Modifying this information may result in a different fare
Best flights to Portsmouth (PSM)
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Punta Gorda / Ft. Myers (PGD)to
Portsmouth (PSM)Departing: December 24 2025
From
$50
Seen: 6 hrs ago
One-way
Economy
Orlando/Sanford (SFB)to
Portsmouth (PSM)Departing: December 24 2025
From
$54
Seen: 13 hrs ago
One-way
Economy
*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.
Cheap flights to Portsmouth
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Punta Gorda / Ft. Myers (PGD) | Portsmouth (PSM) | One-way / Economy | Departing: December 24 2025 | From $50 Seen: 6 hrs ago |
| Orlando/Sanford (SFB) | Portsmouth (PSM) | One-way / Economy | Departing: February 14 2026 | From $54 Seen: 1 day ago |
| Tampa / St. Pete (PIE) | Portsmouth (PSM) | One-way / Economy | Departing: April 20 2026 | From $63 Seen: 1 day 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.
Travel Tips
Bundles are packages of popular services with an added discount.
Select a bundle to:
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Click here for more information.
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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.
Travel to Portsmouth
Portsmouth is excited for your arrival. Whether you seek endless activities or plan to do some sight seeing, Allegiant Airlines can get you there. With nonstop flights and low airfare, we're here to help make your trip memorable.
To explore other Allegiant destinations, visit our route map. To earn 3X points on Allegiant purchases, learn more about our Allways Rewards Visa® card.
