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Portsmouth International Airport to Dulles International Airport flight

Find the cheapest Boston to Washington D.C. flights over the next 3 months. One-way fares from VND 5,820,000, return fares from VND 5,820,000.

    • Cheapest
      PSM 19:01
      15h 20m
      1 stop
      IAD 10:21
      Boston - Washington D.C. | Sun, Nov 15 | Allegiant Air
      VND 5,820,000 VND 6,802,000
      14% off
      14% off
      VND 6,802,000 VND 5,820,000
    • PSM 18:47
      15h 34m
      1 stop
      IAD 10:21
      Boston - Washington D.C. | Sun, Nov 15 | Breeze Airways
      VND 6,053,000 VND 6,802,000
      11% off
      11% off
      VND 6,802,000 VND 6,053,000
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Sat, Oct 31 | Normal Airline
      Find more flights
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    • PSM 19:01
      15h 20m
      1 stop
      IAD 10:21
      Boston - Washington D.C. | Sun, Nov 15 | Allegiant Air
      VND 5,820,000 VND 6,802,000
      14% off
      14% off
      VND 6,802,000 VND 5,820,000
    • PSM 18:47
      15h 34m
      1 stop
      IAD 10:21
      Boston - Washington D.C. | Sun, Nov 15 | Breeze Airways
      VND 6,053,000 VND 6,802,000
      11% off
      11% off
      VND 6,802,000 VND 6,053,000
    • 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 VND 4,343,000) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From VND 4,343,000

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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 VND 5,820,000

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 VND 6,993,000. 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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