Nonstop flights from Washington to Buffalo
United Airlines flies this route 3 to 4 times a day.
IADWashington Dulles International
283 mi · 25 flights a week
BUFBuffalo Niagara International
When they leave
Washington time8:25a10:26pFirst departure 8:25 AM, last 10:26 PM
One morning flight at 8:25 AM, then one afternoon flight at 12:59 PM, then two in the evening, 5:36 PM to 10:26 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Washington to Buffalo
United Airlines is the only airline flying nonstop from Washington to Buffalo, 3 to 4 times a day on the CRJ 700, Embraer 175 and Embraer ERJ.
There are 3 or 4 flights every day of the week. The first arrival in Buffalo is at 9:50 AM and the last at 11:59 PM. The flight covers 283 miles.
Flying back, Buffalo to Washington has 26 nonstop flights a week. Baltimore (BWI) and Ronald Reagan Washington National (DCA) also have nonstop flights to Buffalo, 28 and 21 a week.
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Find the cheapest day to fly from Washington to Buffalo.
Schedules as of Oct 9, 2026.