What is the flight distance between BUF and IAD?

Distance between Buffalo Niagara International Airport (BUF) and Dulles International Airport (IAD) is 458 kilometers or 284 miles.

Distance From Buffalo Niagara International Airport to Dulles International Airport (BUF - IAD Distance)

Q: How long is the flight from BUF to IAD?

Flight time from Buffalo Niagara International Airport, Buffalo, United States to Dulles International Airport, Washington, United States is 0 hours 34 minutes under avarage conditions.

Q: What is the time difference between Buffalo, United States and Washington, United States?

Time difference between Buffalo (United States) and Washington (United States) is 0 Hours. It is currently 21:34 in Buffalo Niagara International Airport (BUF) and 21:34 in Dulles International Airport (IAD).

The flight distance from Buffalo Niagara International Airport (BUF) to Dulles International Airport (IAD) is 284 miles. This is equivalent to 458 kilometers or 247 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

458 kilometers is the distance from Buffalo Niagara International Airport, United States to Dulles International Airport, United States.

Flight Duration between Buffalo, United States and Washington, United States

Estimated flight time from Buffalo Niagara International Airport, Buffalo, United States to Dulles International Airport, Washington, United States is 0 hours 34 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • BUF - IAD

Time difference between Buffalo (United States) and Washington (United States) is 0 Hours.
Current local time in Buffalo is 2025-12-16, 21:34:31 EST and time in Washington is 2025-12-16, 21:34:31 EST.

Buffalo Niagara International Airport to Dulles International Airport Flight Route Map - BUF to IAD Flight Path

Location of Buffalo Niagara International Airport & Dulles International Airport is given below.
Click the map to view Buffalo to Washington nonstop flight path and travel direction.

Click to see flight route on Google Map between Buffalo, United States and Washington, United States. .

Nonstop flight route between Buffalo, United States and Washington, United States.

Buffalo Niagara International Airport
City:	Buffalo
Country:	United States
IATA Code:	BUF
ICAO Code:	KBUF
GPS Coordinates:	Latitude: N 42° 56' 25.9'' Longitude: W 78° 43' 55.8''
Current time:	2025-12-16, 21:34:31 EST
Current weather:	Buffalo Niagara International Airport 15 day weather forecast

Dulles International Airport
City:	Washington
Country:	United States
IATA Code:	IAD
ICAO Code:	KIAD
GPS Coordinates:	Latitude: N 38° 56' 40.3'' Longitude: W 77° 27' 20.9''
Current time:	2025-12-16, 21:34:31 EST
Current weather:	Dulles International Airport 15 day weather forecast
Flights: