> > > > > >
Portsmouth International Airport to Ronald Reagan Washington National 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

Portsmouth International Airport to Ronald Reagan Washington National Airport Flights Info

Cheapest one-way
VND 6,985,000
Allegiant Air Allegiant Air 14h 21m · 1 stop Sat, Dec 5
Book Now

Find the cheapest Boston to Washington D.C. flights over the next 3 months. One-way fares from VND 6,985,000, return fares from VND 6,985,000.

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 Ronald Reagan Washington National Airport?

The cheapest airline flying from Portsmouth International Airport to Ronald Reagan Washington National Airport is Allegiant Air (from VND 6,985,000) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

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

  • What is the average price of a flight from Portsmouth International Airport to Ronald Reagan Washington National 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 Ronald Reagan Washington National Airport is VND 5,307,000. Prices may vary depending on the departure date, airline, and availability.
  • Enter Portsmouth International Airport and Ronald Reagan Washington National 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.