Dulles (IAD) to Boston (BOS) flights
One airline flies nonstop from Dulles (IAD) to Boston (BOS): United Airlines. The two airports are 411 miles (662 km) apart. United Airlines is in Star Alliance. There are also 28 ways to fly it with one stop, through New York, New York and Philadelphia and more.
Airlines flying nonstop from IAD to BOS
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to BOS 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
IAD to BOS with one stop
28 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)United Airlines, then American Airlines and Delta Air Lines
- Via Philadelphia (PHL)United Airlines, then American Airlines, JetBlue Airways and 1 more
- Via New York (JFK)Delta Air Lines the whole way
- Via Middletown (MDT)United Airlines, then American Airlines
- Via Syracuse (SYR)United Airlines, then American Airlines and JetBlue Airways
- Via Richmond (RIC)United Airlines, then JetBlue Airways and Delta Air Lines
- Via Norfolk (ORF)United Airlines, then Delta Air Lines and JetBlue Airways
- Via Rochester (ROC)United Airlines, then American Airlines
- Via Buffalo (BUF)United Airlines, then JetBlue Airways, Delta Air Lines and 1 more
- Via Pittsburgh (PIT)United Airlines, then JetBlue Airways and Delta Air Lines
- Via Montreal (YUL)Air Canada the whole way
- Via Ottawa (YOW)United Airlines, then Porter Airlines
- Via Toronto (YTZ)Porter Airlines and Air Canada the whole way
- Via Toronto (YYZ)Air Canada the whole way
IAD to BOS: common questions
Which airlines fly nonstop from IAD to BOS?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Boston (BOS).
How far is Dulles from Boston by plane?
Dulles (IAD) and Boston (BOS) are 411 miles (662 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to BOS 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 IAD to BOS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to BOS with taxes and fees.
Where can I connect between Dulles and Boston?
The most direct connections are through New York (EWR), New York (LGA), Philadelphia (PHL), New York (JFK) and Middletown (MDT). On 9 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.