Buffalo (BUF) to Dulles (IAD) flights
One airline flies nonstop from Buffalo (BUF) to Dulles (IAD): United Airlines. The two airports are 283 miles (456 km) apart. United Airlines is in Star Alliance. There are also 10 ways to fly it with one stop, through Philadelphia, New York and New York and more.
Airlines flying nonstop from BUF to IAD
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book BUF 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
BUF to IAD with one stop
10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Philadelphia (PHL)American Airlines, then United Airlines
- Via New York (EWR)United Airlines the whole way
- Via New York (LGA)Delta Air Lines and American Airlines, then United Airlines
- Via New York (JFK)Delta Air Lines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Raleigh/Durham (RDU)Frontier Airlines, then United Airlines
- Via Boston (BOS)JetBlue Airways, Delta Air Lines and 1 more, then United Airlines
- Via Charlotte (CLT)American Airlines the whole way
- Via Chicago (ORD)United Airlines the whole way
- Via Nashville (BNA)Southwest Airlines, then United Airlines
BUF to IAD: common questions
Which airlines fly nonstop from BUF to IAD?
United Airlines (Star Alliance) flies nonstop from Buffalo (BUF) to Dulles (IAD).
How far is Buffalo from Dulles by plane?
Buffalo (BUF) and Dulles (IAD) are 283 miles (456 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BUF 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 BUF 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 BUF to IAD with taxes and fees.
Where can I connect between Buffalo and Dulles?
The most direct connections are through Philadelphia (PHL), New York (EWR), New York (LGA), New York (JFK) and Detroit (DTW). On 5 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.