Airlines with flights from Dulles to Buffalo
There are two airlines with scheduled flights between IAD and BUF. United is the only airline with non-stop flights from Washington Dulles Airport to Buffalo Niagara International and the flight time is 1 hour and 24 minutes.
There are two airlines with scheduled flights between IAD and BUF. United is the only airline with non-stop flights from Washington Dulles Airport to Buffalo Niagara International and the flight time is 1 hour and 24 minutes. Choose airline
Direct
Non-stop
1h 24min
Via New York
3h 46min
Via New York
4h 39min
NEW
Starts 24/09
Via Richmond
5h 35min
Schedules
Non-stop with United Airlines
-
Total flight time: 1 hour and 24 minutes
-
Dulles is a United Airlines hub (Secondary hub).
-
25 flights per week
-
Canadair (Bombardier) Regional Jet 550Embraer RJ135 / RJ140 / RJ145
-
First class available
IAD
Direct
BUF
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA4437
08:25
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08:25
08:25
08:25
08:25
UA4559
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12:53
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12:53
UA4335
12:59
12:59
12:59
12:59
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UA4514
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17:30
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UA4823
17:30
17:30
17:30
17:30
17:30
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17:30
UA4474
22:26
22:26
22:26
22:26
22:26
22:26
22:26
The timetable & schedule information was updated at 2026-04-22
Via New York with United Airlines
-
Total flight time: 3h 46m - 5h 52m.
-
Dulles is a United Airlines hub (Secondary hub).
-
85 flights per week
-
Canadair (Bombardier) Regional Jet 550Embraer RJ135 / RJ140 / RJ145
IAD
Via EWR
BUF
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA1498
UA3607
UA3607
12:35
12:35
12:35
12:35
12:35
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12:35
UA1831
UA3476
UA3476
17:42
17:42
17:42
17:42
17:42
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17:42
The timetable & schedule information was updated at 2026-04-22
Via New York with Delta Air Lines
-
Total flight time: 4h 39m - 6h 04m.
-
Sky Team Alliance
-
14 flights per week
IAD
Via JFK
BUF
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL5076
DL5264
DL5264
19:59
19:59
19:59
19:59
19:59
19:59
19:59
The timetable & schedule information was updated at 2026-04-22
Via Richmond with United Airlines
-
Total flight time: 5h 35m - 5h 35m.
-
Dulles is a United Airlines hub (Secondary hub).
-
Canadair (Bombardier) Regional Jet 550Embraer RJ135 / RJ140 / RJ145
IAD
Via RIC
BUF
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
Sorry. We could not find any flights for this week.
The timetable & schedule information was updated at 2026-04-22
