United Airlines
Star Alliance
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United States
Buffalo Niagara International Airport
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United States
Washington Dulles International Airport
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Scan through all non-stop flights from Buffalo to Washington. The full flight schedule below gives an overview of all non-stop flights from BUF to IAD, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Washington is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Washington any time of the year, but the best months to explore are from to and from to .
Currently, there is only one airline operating non-stop flights from Buffalo BUF to Washington IAD, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their BUF IAD flight schedule.
Flights from BUF to IAD are operated twice a week. Departure times vary between 06:00 - 19:55. The earliest flight departs at 06:00, the last flight departs at 19:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Buffalo to Washington takes 1 hour and 15 minutes. The flight distance between Buffalo and Washington is 283 miles (or 455 km).
There are 3 airports in Washington: Washington Dulles International Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore/Washington International Thurgood Marshall Ai (BWI).
There are 2 flights per week flying from Buffalo to Washington (as of March 2026).
1 hour and 15 minutes is the average flight time from Buffalo to Washington.
The distance from Buffalo to Washington is 283 miles (455 kilometers).
United Airlines is the only airline flying nonstop from Buffalo to Washington.
Star Alliance is currently the only alliance flying nonstop from Buffalo to Washington.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Buffalo to Washington:
The earliest flight departs at 06:00 from Buffalo and arrives at 07:19 at Washington.
The latest flight departs at 19:55 from Buffalo and arrives at 21:14 at Washington.
283 miles (455 km) · 1h 15m
06:09
07:35
United Airlines
Star Alliance
UA 4529
United Airlines
Bombardier CRJ 550
Y
W
J
F
10:35
11:55
United Airlines
Star Alliance
UA 4935
United Airlines
Embraer RJ135 / RJ140 / RJ145
Y
W
J
F
14:54
16:14
United Airlines
Star Alliance
UA 4291
United Airlines
Embraer RJ135 / RJ140 / RJ145
Y
W
J
F
19:45
21:05
United Airlines
Star Alliance
UA 4270
United Airlines
Embraer RJ135 / RJ140 / RJ145
Y
W
J
F
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