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Dulles International Airport to Portsmouth International Airport flight

Search for flights from Washington D.C. to Boston and check out affordable one-way and round-trip options.

      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • IAD 8:57 PM
        20h 35m
        1 stop
        PSM 5:32 PM
        Washington D.C. - Boston | Thu, Oct 8 | Allegiant Air
        SAR 1,015 SAR 1,450
        30% off
        30% off
        SAR 1,450 SAR 1,015
      • WAS 1:00 PM
        17h 25m
        1 stop
        BOS 2:00 PM
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
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Displayed flight fares from Dulles International Airport to Portsmouth International Airport 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 Dulles International Airport to Portsmouth International Airport?

The cheapest airline flying from Dulles International Airport to Portsmouth International Airport is Allegiant Air (from SAR 1,015) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From SAR 1,015

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What is the flight schedule from Dulles International Airport to Portsmouth International Airport?

Check the schedule for flights from Washington D.C. to Boston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. G4922

    Dulles International Airport

    8:57 PM

    IAD

    2h 28m

    Nonstop

    11:25 PM

    PGD

    - - - W - - -
    Search

  2. G4919

    Punta Gorda Airport

    7:20 AM

    PGD

    2h 58m

    Nonstop

    10:18 AM

    PSM

    - - T - T F -
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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 724.13 km
Cheapest one-way ticket price SAR 1,015

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 SAR 812. 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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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.

Change & Cancellation Policy

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Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.