Direct flights from Buffalo to Dulles
All flights from BUF to IAD non-stop. There are direct flights from Buffalo Niagara International (BUF), New York, USA to Washington Dulles International (IAD), Virginia, USA with United Airlines. 24 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 19:59 depending on the schedule period. The flight distance is 285 miles (459 km). Flight time ranges from 1 hour and 15 minutes to 1 hour and 35 minutes.
Buffalo
, USA
Flight schedule from Buffalo to Dulles with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-09-28
Buffalo to Dulles scheduled departures
Select a date to see every published non-stop departure between BUF and IAD.
BUF - IAD route facts
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Distance285 miles (459 km)
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Flight time1 hour and 15 minutes to 1 hour and 35 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy First
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Hub airportsIAD (Secondary hub.)
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AircraftEmbraer 175 (Enhanced Winglets), Embraer RJ135 / RJ140 / RJ145 and Canadair (Bombardier) Regional Jet 550
