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Dulles International Airport to Portsmouth International Airport flight

Search for flights from Washington D.C. to Boston. Find affordable one-way or round-trip flights.

      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Nonstop
        WAS 16:00
        Boston - Washington D.C. | Wed, Oct 7 | Normal Airline
        Search
        Search
      • IAD 20:57
        20h 35m
        1 stop
        PSM 17:32
        Washington D.C. - Boston | Thu, Oct 8 | Allegiant Air
        KRW 367,000 KRW 524,300
        30% off
        30% off
        KRW 524,300 KRW 367,000
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        More cheap flights
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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 KRW 367,000) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From KRW 367,000

Find more flights and airlines

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

Check on the flight schedule from Washington D.C. to Boston to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. G4922

    Dulles International Airport

    20:57

    IAD

    2h 28m

    Nonstop

    23:25

    PGD

    - - - W - - -
    Search

  2. G4919

    Punta Gorda Airport

    07:20

    PGD

    2h 58m

    Nonstop

    10:18

    PSM

    - - T - T F -
Find more flights and airlines

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 KRW 367,000

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 KRW 293,600. 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 the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

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