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Dulles International Airport to Portsmouth International Airport flight
    • IAD 17:50
      23h 42m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Fri, Nov 6 | Allegiant Air
      BOS 09:22
      1h 48m
      Direct
      DCA 11:10
      Boston - Washington D.C. | Mon, Nov 9 | Jetblue Airways
      €362 €517
      30% off
      30% off
      €517 €362
    • IAD 11:12
      8h 45m
      1 stop
      PSM 19:57
      Washington D.C. - Boston | Sun, Nov 1 | Frontier Airlines
      BOS 06:10
      1h 49m
      Direct
      DCA 07:59
      Boston - Washington D.C. | Tue, Nov 3 | Jetblue Airways
      €372 €517
      28% off
      28% off
      €517 €372
    • WAS 13:00
      17h 25m
      1 stop
      BOS 14:00
      Washington D.C. - Boston | Sun, Nov 1 | Normal Airline
      BOS 15:00
      6h
      Direct
      WAS 16:00
      Boston - Washington D.C. | Tue, Nov 3 | Normal Airline
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Displayed flight fares from Washington D.C. to Boston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

About Dulles International Airport and Portsmouth International Airport

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

Flight distance 724.13km
Cheapest return ticket price €362

FAQs for Dulles International Airport to Portsmouth International Airport Flights

  • What is the average price of a flight from Dulles 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 Dulles International Airport to Portsmouth International Airport is €221. Prices may vary depending on the departure date, airline, and availability.
  • Enter Dulles 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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