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Dulles International Airport to Portsmouth International Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Portsmouth International Airport over the next 90 days, with one-way fares from BHD 1,380 and round-trip from BHD 2,683. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      IAD 18:20
      19h 43m
      1 stop
      PSM 14:03
      Washington D.C. - Boston | Mon, Nov 23 | Allegiant Air
      BHD 1,380 BHD 2,279
      39% off
      39% off
      BHD 2,279 BHD 1,380
    • IAD 17:50
      23h 42m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Fri, Nov 13 | Allegiant Air
      BHD 1,503 BHD 2,279
      34% off
      34% off
      BHD 2,279 BHD 1,503
    • IAD 20:57
      20h 35m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Fri, Oct 30 | Allegiant Air
      BHD 1,823 BHD 2,279
      20% off
      20% off
      BHD 2,279 BHD 1,823
    • WAS 13:00
      17h 25m
      1 stop
      BOS 14:00
      Washington D.C. - Boston | Thu, Oct 29 | Normal Airline
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    • IAD 17:50
      23h 42m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Thu, Nov 5 | Allegiant Air
      BOS 09:22
      1h 48m
      Direct
      DCA 11:10
      Boston - Washington D.C. | Sun, Nov 8 | Jetblue Airways
      BHD 2,683 BHD 4,352
      38% off
      38% off
      BHD 4,352 BHD 2,683
    • IAD 11:12
      8h 45m
      1 stop
      PSM 19:57
      Washington D.C. - Boston | Sat, Oct 31 | Frontier Airlines
      BOS 06:10
      1h 49m
      Direct
      DCA 07:59
      Boston - Washington D.C. | Mon, Nov 2 | Jetblue Airways
      BHD 2,759 BHD 4,352
      37% off
      37% off
      BHD 4,352 BHD 2,759
    • IAD 17:50
      23h 42m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Thu, Oct 29 | Allegiant Air
      BOS 06:10
      1h 49m
      Direct
      DCA 07:59
      Boston - Washington D.C. | Sun, Nov 1 | Jetblue Airways
      BHD 3,481 BHD 4,352
      20% off
      20% off
      BHD 4,352 BHD 3,481
    • WAS 13:00
      17h 25m
      1 stop
      BOS 14:00
      Washington D.C. - Boston | Thu, Oct 29 | Normal Airline
      BOS 15:00
      6h
      Direct
      WAS 16:00
      Boston - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • IAD 18:20
      19h 43m
      1 stop
      PSM 14:03
      Washington D.C. - Boston | Mon, Nov 23 | Allegiant Air
      BHD 1,380 BHD 2,279
      39% off
      39% off
      BHD 2,279 BHD 1,380
    • IAD 20:57
      20h 35m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Fri, Oct 30 | Allegiant Air
      BHD 1,823 BHD 2,279
      20% off
      20% off
      BHD 2,279 BHD 1,823
    • IAD 17:50
      23h 42m
      1 stop
      PSM 17:32
      Washington D.C. - Boston | Fri, Nov 13 | Allegiant Air
      BHD 1,503 BHD 2,279
      34% off
      34% off
      BHD 2,279 BHD 1,503
    • WAS 13:00
      17h 25m
      1 stop
      BOS 14:00
      Washington D.C. - Boston | Thu, Oct 29 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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 BHD 1,380) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From BHD 1,380

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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. G4879

    Dulles International Airport

    16:20

    IAD

    2h 28m

    Direct

    18:48

    PGD

    - - - - - - S
    Search

  2. G42497

    Punta Gorda Airport

    11:00

    PGD

    3h 3m

    Direct

    14:03

    PSM

    S - - - - - -

  3. F94355

    Dulles International Airport

    11:16

    IAD

    2h 33m

    Direct

    13:49

    MCO

    S M T W T F S
    Search

  4. MX1808

    Orlando International Airport

    13:24

    MCO

    2h 4m

    Direct

    15:28

    RDU

    - - - W - - S

  5. MX1808

    Raleigh-Durham International Airport

    16:08

    RDU

    2h 1m

    Direct

    18:09

    PSM

    - - - W - - S
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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 BHD 1,380
Cheapest return ticket price BHD 2,683

FAQs for Dulles International Airport to Portsmouth International Airport Flights

  • What are the cheapest flights from Dulles International Airport to Portsmouth International Airport?

    One-way flights from Dulles International Airport to Portsmouth International Airport currently start from BHD 1,380, and round-trip fares start from BHD 2,683. The current lowest fare is a Allegiant Air flight departing on Mon, Nov 23; prices may vary depending on availability.
  • 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 BHD 1,606. 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 lowest estimated 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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
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.