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Ronald Reagan Washington National 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
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        BOS 14:00
        Washington D.C. - Boston | Mon, Oct 5 | Normal Airline
        Search
        Search

Flight prices from Ronald Reagan Washington National Airport to Portsmouth International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

About Ronald Reagan Washington National Airport and Portsmouth International Airport

Learn about Ronald Reagan Washington National Airport (DCA) and Portsmouth International Airport (PSM) — including location, terminals, transportation, and travel tips.

Flight distance 706.51km

FAQs for Ronald Reagan Washington National Airport to Portsmouth International Airport Flights

  • What is the average price of a flight from Ronald Reagan Washington National 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 Ronald Reagan Washington National Airport to Portsmouth International Airport is S$ 585. Prices may vary depending on the departure date, airline, and availability.
  • Enter Ronald Reagan Washington National 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.

Book with no extra fees

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.