Flights from Washington Dulles to Portsmouth
IADPSM
Washington Dulles International Airport (Dulles, United States) → Portsmouth International Airport at Pease (Portsmouth, United States)
- Est. nonstop
- ~1h 23m
- Distance
- 721 km
- One-way from
- $229
- Airlines
- NetJets Aviation
Fares by month
One-way, per personLowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.
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Washington Dulles to Portsmouth — frequently asked
- How long is the flight from Washington Dulles to Portsmouth?
- IAD–PSM is about 1h 23m nonstop, covering 721 km (448 mi).
- Which airlines fly nonstop from Washington Dulles to Portsmouth?
- NetJets Aviation operates this route nonstop.
- How much is a flight from Washington Dulles to Portsmouth?
- One-way fares on IAD–PSM recently started from $229. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.