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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 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        BOS 15:00
        6h
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        Direct
        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
        CAD 434 CAD 620
        30% off
        30% off
        CAD 620 CAD 434
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        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 data.

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 CAD 384) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From CAD 384

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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

    20:57

    IAD

    2h 28m

    Direct

    23:25

    PGD

    - - - W - - -
    Search

  2. G4919

    Punta Gorda Airport

    07:20

    PGD

    2h 58m

    Direct

    10:18

    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 724.13km
Cheapest one-way ticket price CAD 434

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 CAD 308. 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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