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Direct flights from Buffalo to Dulles

Airlines Schedules

BUF - IAD route map 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 19:52 depending on the schedule period. The flight distance is 285 miles (459 km). Flight time ranges from 1 hour and 18 minutes to 1 hour and 38 minutes.

BUF
Buffalo Niagara
USABuffalo , USA
IAD
Washington Dulles
USADulles , USA
BUF
Buffalo Niagara
USABuffalo , USA
Washington Dulles
USADulles , USA
IAD
Flight time 1h 18min to 1h 38min
Updated Nov 2, 2026
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Airlines with non-stop routes:

United Airlines Star Alliance

Departure times vary between 06:00 and 19:52
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M
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W
T
F
S
Sun
Mon
Tue
Wed
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Fri
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24 flights/week
24 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
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
Mon
Nov 9
Tue
Nov 10
Wed
Nov 11
Thu
Nov 12
Fri
Nov 13
Sat
Nov 14
Sun
Nov 15
UA3700
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06:00
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UA6207
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06:00
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UA4390
06:00
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06:00
06:00
06:00
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06:00
UA4255
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10:35
10:35
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10:35
UA3991
10:35
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10:35
10:35
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UA4291
14:55
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14:55
14:55
14:55
14:55
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UA3563
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14:55
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14:55
UA4270
19:52
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19:52
19:52
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19:52

The timetable & schedule information was updated at 2026-11-02

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Buffalo to Dulles scheduled departures

Select a date to see every published non-stop departure between BUF and IAD.

Tuesday
Tue
Dec 01
2 flights(2)
Wednesday
Wed
Dec 02
2 flights(2)
Thursday
Thu
Dec 03
2 flights(2)
Friday
Fri
Dec 04
2 flights(2)
Saturday
Sat
Dec 05
2 flights(2)
Sunday
Sun
Dec 06
1 flights(1)
Monday
Mon
Dec 07
2 flights(2)
Time
Airline
Flight
10:00
United Airlines United Airlines
UA4192
15:00
United Airlines United Airlines
UA4291
10:00
United Airlines United Airlines
UA6157
15:00
United Airlines United Airlines
UA4291
10:00
United Airlines United Airlines
UA6157
15:00
United Airlines United Airlines
UA4291
10:00
United Airlines United Airlines
UA6157
15:00
United Airlines United Airlines
UA4291
10:00
United Airlines United Airlines
UA6157
15:00
United Airlines United Airlines
UA4291
15:00
United Airlines United Airlines
UA4291
10:00
United Airlines United Airlines
UA6157
15:00
United Airlines United Airlines
UA4291
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BUF-IAD flight route
Route map from Buffalo, BUF to Dulles, IAD. The distance is 285 miles or 459 km.
Buffalo - Dulles direct flight map
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BUF - IAD route facts

  • Distance
    285 miles (459 km)
  • Flight time
    1 hour and 18 minutes to 1 hour and 38 minutes
  • Airline
    United United
  • Airline alliances
    Star Alliance
  • Cabins
    Economy First
  • Hub airports
    IAD (Secondary hub.)
  • Aircraft
    Embraer 175 (Enhanced Winglets), Canadair (Bombardier) Regional Jet 550 and Embraer RJ135 / RJ140 / RJ145

Route FAQ

United Airlines operates non-stop flights from BUF to IAD with 24 weekly departures (Nov 9 – Nov 15, 2026).

Scheduled flight time from BUF to IAD ranges from 1 hour and 18 minutes to 1 hour and 38 minutes. The route covers 285 miles (459 km).

24 weekly departures (Nov 9 – Nov 15, 2026) are currently scheduled on this route, with published departure times ranging from 06:00 to 19:52 depending on the schedule period.

Economy and First are currently scheduled on non-stop flights for this route.
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