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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

Displayed flight fares from Ronald Reagan Washington National Airport to Portsmouth International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com 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 HK$3,582. 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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