$87 Cheap flight deals from Philadelphia (ILG) to Portsmouth (BOS)
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This Weekend's Flight Deals from Philadelphia to Portsmouth
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $87 One Way, $158 Round Trip from Philadelphia to Portsmouth
Prices starting at $158 for return flights and $87 for one-way flights to Portsmouth were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Portsmouth economy flight packages
The Godfrey Hotel Boston
Oct 9 - Oct 13
Philadelphia (PHL) to Boston (BOS)
Reviewed on Aug 17, 2026
Good Hotels Boston
Sep 25 - Sep 30
Philadelphia (PHL) to Boston (BOS)
Boston (BOS) to Philadelphia (PHL)
Reviewed on Aug 7, 2026
More About Flying To Portsmouth from Philadelphia
Route Information for Flights from Philadelphia to Portsmouth
Origin Airport IATA Code | ILG |
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Destination Airport IATA Code | BOS |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Philadelphia to Portsmouth
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Cruising for a bargain deal
Regardless of your destination, we always provide you fantastic bargains for your trip, and that includes on hotels and even cruises. We offer budget air fares on flights from Philadelphia to Portsmouth so you can reach your destination with more money in your pocket to spend.
Cheap Philadelphia to Portsmouth flights that lead to rewards
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Quality combinations
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Frequently asked questions
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.