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 23 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 23 minutes. Choose airline
Direct
Non-stop
1h 23min
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 23 minutes
-
Dulles is a United Airlines hub (Secondary hub).
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25 flights per week
-
Embraer 175 (Enhanced Winglets)Canadair (Bombardier) Regional Jet 550Embraer RJ135 / RJ140 / RJ145
-
First class available
IAD
Direct
BUF
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA3514
08:25
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08:25
08:25
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08:25
UA4606
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08:25
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UA4335
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12:59
12:59
12:59
12:59
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12:59
UA4485
12:59
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UA4823
17:36
17:36
17:36
17:36
17:36
17:36
17:36
UA3516
22:26
22:26
22:26
22:26
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22:26
22:26
UA4546
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22:26
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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
-
Embraer 175 (Enhanced Winglets)Canadair (Bombardier) Regional Jet 550Embraer RJ135 / RJ140 / RJ145
IAD
Via EWR
BUF
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
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
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL5076
DL5264
DL5264
19:55
19:55
19:55
19:55
19:55
19:55
19:55
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).
-
Embraer 175 (Enhanced Winglets)Canadair (Bombardier) Regional Jet 550Embraer RJ135 / RJ140 / RJ145
IAD
Via RIC
BUF
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
Sorry. We could not find any flights for this week.
The timetable & schedule information was updated at 2026-04-22
