Boston (BOS) to Dulles (IAD) flights
One airline flies nonstop from Boston (BOS) to Dulles (IAD): United Airlines. The two airports are 411 miles (662 km) apart. United Airlines is in Star Alliance. There are also 29 ways to fly it with one stop, through New York, New York and Philadelphia and more.
Airlines flying nonstop from BOS to IAD
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book BOS 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
BOS to IAD with one stop
29 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, JetBlue Airways and 1 more, then United Airlines
- Via New York (JFK)Delta Air Lines the whole way
- Via Middletown (MDT)American Airlines, then United Airlines
- Via Syracuse (SYR)American Airlines and JetBlue Airways, then United Airlines
- Via Richmond (RIC)JetBlue Airways and Delta Air Lines, then United Airlines
- Via Norfolk (ORF)Delta Air Lines and JetBlue Airways, then United Airlines
- Via Rochester (ROC)American Airlines, then United Airlines
- Via Buffalo (BUF)JetBlue Airways, Delta Air Lines and 1 more, then United Airlines
- Via Pittsburgh (PIT)JetBlue Airways and Delta Air Lines, then United Airlines
- Via Montreal (YUL)Air Canada the whole way
- Via Ottawa (YOW)Porter Airlines, then United Airlines
- Via Toronto (YTZ)Porter Airlines and Air Canada the whole way
- Via Toronto (YYZ)Air Canada the whole way
BOS to IAD: common questions
Which airlines fly nonstop from BOS to IAD?
United Airlines (Star Alliance) flies nonstop from Boston (BOS) to Dulles (IAD).
How far is Boston from Dulles by plane?
Boston (BOS) and Dulles (IAD) 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 BOS 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 BOS 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 BOS to IAD with taxes and fees.
Where can I connect between Boston and Dulles?
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.