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Portsmouth International Airport to Dulles International Airport flight

Explore the cheapest flights from Boston to Washington D.C. in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at NZD 407, and return tickets start at NZD 407.

    • Cheapest
      PSM 18:47
      15h 34m
      1 stop
      IAD 10:21
      Boston - Washington D.C. | Mon, Nov 16 | Breeze Airways
      NZD 407 NZD 458
      11% off
      11% off
      NZD 458 NZD 407
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights
    • PSM 18:47
      15h 34m
      1 stop
      IAD 10:21
      Boston - Washington D.C. | Mon, Nov 16 | Breeze Airways
      NZD 407 NZD 458
      11% off
      11% off
      NZD 458 NZD 407
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Sat, Oct 31 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Boston to Washington D.C. 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 Portsmouth International Airport to Dulles International Airport?

The cheapest airline flying from Portsmouth International Airport to Dulles International Airport is Allegiant Air (from NZD 402) among 2 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From NZD 402
Breeze Airways
From NZD 418

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. MX119

    Portsmouth International Airport

    18:49

    PSM

    2h 20m

    Direct

    21:09

    RDU

    - - - W - - S
    Search

  2. MX119

    Raleigh-Durham International Airport

    21:49

    RDU

    1h 59m

    Direct

    23:48

    MCO

    - - - W - - S

  3. F94230

    Orlando International Airport

    08:00

    MCO

    2h 21m

    Direct

    10:21

    IAD

    S M T W T F S
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About Portsmouth International Airport and Dulles International Airport

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

Flight distance 724.13km
Cheapest one-way ticket price NZD 407

FAQs for Portsmouth International Airport to Dulles International Airport Flights

  • What is the average price of a flight from Portsmouth International Airport to Dulles 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 Portsmouth International Airport to Dulles International Airport is NZD 483. Prices may vary depending on the departure date, airline, and availability.
  • Enter Portsmouth International Airport and Dulles 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, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

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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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