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Philadelphia International Airport to Portsmouth International Airport flight

Find flight deals from Philadelphia to Boston for the next 3 months. Book one way flights from $305 or round trip flights from $305.

    • Cheapest
      PHL 8:50 AM
      9h 17m
      1 stop
      PSM 6:07 PM
      Philadelphia - Boston | Mon, Oct 26 | Frontier Airlines
      $305 $455
      33% off
      33% off
      $455 $305
    • PHL 3:26 PM
      25h 43m
      1 stop
      PSM 5:09 PM
      Philadelphia - Boston | Tue, Oct 27 | Frontier Airlines
      $336 $455
      26% off
      26% off
      $455 $336
    • PHL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      Philadelphia - Boston | Mon, Oct 26 | Normal Airline
      Find more flights
      Find more flights
    • PHL 8:50 AM
      9h 17m
      1 stop
      PSM 6:07 PM
      Philadelphia - Boston | Mon, Oct 26 | Frontier Airlines
      $305 $455
      33% off
      33% off
      $455 $305
    • PHL 3:26 PM
      25h 43m
      1 stop
      PSM 5:09 PM
      Philadelphia - Boston | Tue, Oct 27 | Frontier Airlines
      $336 $455
      26% off
      26% off
      $455 $336
    • PHL 1:00 PM
      17h 25m
      1 stop
      BOS 2:00 PM
      Philadelphia - Boston | Mon, Oct 26 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Philadelphia to Boston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Philadelphia International Airport to Portsmouth International Airport?

The cheapest airline flying from Philadelphia International Airport to Portsmouth International Airport is Frontier Airlines (from $305) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $305

Find more flights and airlines

About Philadelphia International Airport and Portsmouth International Airport

Learn about Philadelphia International Airport (PHL) and Portsmouth International Airport (PSM) — including location, terminals, transportation, and travel tips.

Flight distance 516.83 km
Cheapest one-way ticket price $305

FAQs for Philadelphia International Airport to Portsmouth International Airport Flights

  • What is the average price of a flight from Philadelphia International Airport to Portsmouth International Airport?

    Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Philadelphia International Airport to Portsmouth International Airport is $260. Prices may vary depending on the departure date, airline, and availability.
  • Enter Philadelphia International Airport and Portsmouth International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

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