Portland (PWM) to Dulles (IAD) flights
One airline flies nonstop from Portland (PWM) to Dulles (IAD): United Airlines. The two airports are 492 miles (792 km) apart. United Airlines is in Star Alliance. There are also 12 ways to fly it with one stop, through New York, New York and Philadelphia and more.
Airlines flying nonstop from PWM to IAD
- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book PWM to IAD with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
PWM to IAD with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New York (EWR)United Airlines the whole way


- Via New York (LGA)American Airlines and Delta Air Lines, then United Airlines



- Via Philadelphia (PHL)American Airlines, then United Airlines


- Via New York (JFK)Delta Air Lines the whole way



- Via Norfolk (ORF)Breeze Airways, then United Airlines


- Via Pittsburgh (PIT)Breeze Airways, then United Airlines


- Via Raleigh/Durham (RDU)Breeze Airways, then United Airlines


- Via Columbus (CMH)Breeze Airways, then United Airlines


- Via Detroit (DTW)Delta Air Lines the whole way



- Via Charlotte (CLT)American Airlines the whole way



- Via Cincinnati (CVG)Breeze Airways, then United Airlines


- Via Charleston (CHS)Breeze Airways, then United Airlines


PWM to IAD: common questions
Which airlines fly nonstop from PWM to IAD?
United Airlines (Star Alliance) flies nonstop from Portland (PWM) to Dulles (IAD).
How far is Portland from Dulles by plane?
Portland (PWM) and Dulles (IAD) are 492 miles (792 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book PWM to IAD award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does PWM to IAD cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PWM to IAD with taxes and fees.
Where can I connect between Portland and Dulles?
The most direct connections are through New York (EWR), New York (LGA), Philadelphia (PHL), New York (JFK) and Norfolk (ORF). On 4 of them the same airline flies both flights, for example United Airlines through New York.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.