Trip.com
>
Cheap Flights
>
United States
>
Boston
>
Washington D.C. to Boston flight
>
Dulles International Airport to Portsmouth International Airport flight
174K verified reviews | Excellent 4.4/5 rating on Trustpilot
Earn Trip Coins and airline miles, all in one booking
All-inclusive prices (taxes, fuel and luggage included) with no hidden fees
24/7 support in 24+ languages

Dulles International Airport to Portsmouth International Airport Flights Info

Cheapest return
€279
Breeze Airways Breeze Airways 25h 21m · 1 stop Fri, Nov 20 - Mon, Nov 23
Book Now
Recommended airlines
Jetblue Airways Jetblue AirwaysMost booked
    • IAD 18:36
      25h 21m
      1 stop
      PSM 19:57
      Washington D.C. - Boston | Fri, Nov 20 | Breeze Airways
      BOS 06:00
      1h 54m
      Direct
      DCA 07:54
      Boston - Washington D.C. | Mon, Nov 23 | American Airlines
      €279 €410
      32% off
      32% off
      €410 €279
    • IAD 21:35
      22h 22m
      1 stop
      PSM 19:57
      Washington D.C. - Boston | Fri, Nov 20 | Frontier Airlines
      BOS 06:00
      1h 54m
      Direct
      DCA 07:54
      Boston - Washington D.C. | Mon, Nov 23 | American Airlines
      €332 €410
      19% off
      19% off
      €410 €332
    • WAS 13:00
      17h 25m
      1 stop
      BOS 14:00
      Washington D.C. - Boston | Sun, Nov 15 | Normal Airline
      BOS 15:00
      6h
      Direct
      WAS 16:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights

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

See which airlines fly from Washington D.C. to Boston. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
Jetblue Airways logo Jetblue Airways Delta Air Lines logo Delta Air Lines

FAQs for Dulles International Airport to Portsmouth International Airport Flights

  • What is the average price of a flight from Dulles International 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 Dulles International Airport to Portsmouth International Airport is €272. 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.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.