Airlines with flights from Denver to Buffalo

There are three airlines with scheduled flights between DEN and BUF. Southwest, Frontier Airlines and United has non-stop flights from Denver International to Buffalo Niagara International and the flight time is 3 hours.

Choose airline

Schedules

Non-stop with Southwest Airlines

  • Total flight time: 3 hours
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 5 flights per week
  • Boeing 737-700 (winglets) Passenger/BBJ1
DEN
Direct
BUF

The timetable & schedule information was updated at 2025-01-15

Non-stop with Frontier Airlines

  • Total flight time: 3 hours and 11 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city.
  • 1 flight per week
DEN
Direct
BUF

The timetable & schedule information was updated at 2025-01-15

Non-stop with United Airlines

  • Total flight time: 3 hours and 15 minutes
  • Denver is a United Airlines hub.
  • First class available
DEN
Direct
BUF

The timetable & schedule information was updated at 2025-01-15

Via Dulles with United Airlines

  • Total flight time: 5h 16m - 7h 41m.
  • Denver is a United Airlines hub.
  • 28 flights per week
DEN
 
Via IAD
 
BUF
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
UA1911
UA4335
06:00
----
06:00
06:00
06:00
06:00
06:03
UA532
UA4382
06:00
----
----
06:00
06:00
06:00
06:00
UA1911
UA6029
----
06:00
----
----
----
----
----
UA1811
UA3591
07:45
07:45
07:45
----
----
----
----
UA1811
UA1448
----
----
----
07:47
07:47
07:47
07:47
UA2329
UA3591
09:40
09:40
09:40
----
----
----
----
UA2329
UA1448
----
----
----
09:41
09:41
09:41
09:41
UA2058
UA4515
----
----
----
09:53
09:53
09:53
09:53
UA2058
UA4582
10:00
10:00
10:00
----
----
----
----
UA2087
UA4483
----
----
----
10:15
10:15
----
10:15
UA2087
UA4823
10:25
10:25
10:25
----
----
----
----
UA617
UA1335
----
----
----
13:25
13:25
13:25
13:25
UA617
UA2663
13:30
13:30
13:30
----
----
----
----
UA1505
UA2212
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----
----
13:38
13:38
13:38
13:38
UA1505
UA3522
13:40
13:40
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----
----
----
----
UA1505
UA3641
----
----
13:40
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----
----
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UA347
UA414
----
----
13:51
----
----
----
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UA347
UA4260
13:51
13:51
----
----
----
----
----
UA798
UA4353
----
----
----
15:54
15:54
15:54
15:54
UA798
UA414
----
----
16:02
----
----
----
----
UA798
UA4260
16:02
16:02
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - BUF

The timetable & schedule information was updated at 2025-01-15

Via Chicago with United Airlines

  • Total flight time: 4h 55m - 7h 21m.
  • Denver is a United Airlines hub.
  • 24 flights per week
DEN
 
Via ORD
 
BUF
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
UA1911
UA4335
06:00
----
06:00
06:00
06:00
06:00
06:03
UA532
UA4382
06:00
----
----
06:00
06:00
06:00
06:00
UA1911
UA6029
----
06:00
----
----
----
----
----
UA1811
UA3591
07:45
07:45
07:45
----
----
----
----
UA1811
UA1448
----
----
----
07:47
07:47
07:47
07:47
UA2329
UA3591
09:40
09:40
09:40
----
----
----
----
UA2329
UA1448
----
----
----
09:41
09:41
09:41
09:41
UA2058
UA4515
----
----
----
09:53
09:53
09:53
09:53
UA2058
UA4582
10:00
10:00
10:00
----
----
----
----
UA2087
UA4483
----
----
----
10:15
10:15
----
10:15
UA2087
UA4823
10:25
10:25
10:25
----
----
----
----
UA617
UA1335
----
----
----
13:25
13:25
13:25
13:25
UA617
UA2663
13:30
13:30
13:30
----
----
----
----
UA1505
UA2212
----
----
----
13:38
13:38
13:38
13:38
UA1505
UA3522
13:40
13:40
----
----
----
----
----
UA1505
UA3641
----
----
13:40
----
----
----
----
UA347
UA414
----
----
13:51
----
----
----
----
UA347
UA4260
13:51
13:51
----
----
----
----
----
UA798
UA4353
----
----
----
15:54
15:54
15:54
15:54
UA798
UA414
----
----
16:02
----
----
----
----
UA798
UA4260
16:02
16:02
----
----
----
----
----
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - BUF

The timetable & schedule information was updated at 2025-01-15

Via Baltimore with Southwest Airlines

  • Total flight time: 5h 20m - 10h 20m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 22 flights per week
  • Boeing 737-700 (winglets) Passenger/BBJ1
DEN
 
Via BWI
 
BUF
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
WN1118
WN3888
----
----
----
05:05
05:05
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05:05
WN1157
WN127
----
----
----
----
----
05:40
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WN247
WN3888
----
----
----
05:40
05:40
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05:40
WN247
WN351
06:00
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----
----
----
----
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WN4839
WN1400
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----
----
----
----
06:05
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WN3798
WN2073
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----
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07:30
07:30
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07:30
WN1184
WN4415
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07:55
07:55
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----
----
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WN1539
WN2414
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----
----
----
----
08:05
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WN1576
WN6560
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----
----
----
08:15
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WN1576
WN1860
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----
----
08:15
08:15
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08:15
WN1184
WN910
08:30
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----
----
----
----
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WN4694
WN4205
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----
----
----
----
09:40
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WN1918
WN203
----
10:50
10:50
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----
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WN225
WN3938
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----
----
----
----
10:55
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WN1722
WN1185
----
----
----
----
----
11:10
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WN2756
WN2058
12:45
11:10
11:10
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----
----
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WN1554
WN1037
11:45
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----
----
----
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WN2449
WN1037
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----
----
----
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11:50
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WN4876
WN2058
----
12:50
12:50
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WN1341
WN1037
13:20
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----
----
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WN4514
WN2058
13:25
14:25
14:25
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WN2226
WN1037
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----
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----
----
13:25
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WN648
WN1037
----
14:30
14:30
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----
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WN4514
WN1185
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----
----
14:50
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WN1401
WN1037
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----
----
----
----
14:50
----
WN496
WN1037
----
----
----
16:25
16:25
----
16:25
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - BUF

The timetable & schedule information was updated at 2025-01-15

Via Chicago with Southwest Airlines

  • Total flight time: 4h 30m - 8h 30m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 19 flights per week
  • Boeing 737-700 (winglets) Passenger/BBJ1
DEN
 
Via MDW
 
BUF
 
Flight
Mon
Feb 10
Tue
Feb 11
Wed
Feb 12
Thu
Feb 13
Fri
Feb 14
Sat
Feb 15
Sun
Feb 16
WN1118
WN3888
----
----
----
05:05
05:05
----
05:05
WN1157
WN127
----
----
----
----
----
05:40
----
WN247
WN3888
----
----
----
05:40
05:40
----
05:40
WN247
WN351
06:00
----
----
----
----
----
----
WN4839
WN1400
----
----
----
----
----
06:05
----
WN3798
WN2073
----
----
----
07:30
07:30
----
07:30
WN1184
WN4415
----
07:55
07:55
----
----
----
----
WN1539
WN2414
----
----
----
----
----
08:05
----
WN1576
WN6560
----
----
----
----
08:15
----
----
WN1576
WN1860
----
----
----
08:15
08:15
----
08:15
WN1184
WN910
08:30
----
----
----
----
----
----
WN4694
WN4205
----
----
----
----
----
09:40
----
WN1918
WN203
----
10:50
10:50
----
----
----
----
WN225
WN3938
----
----
----
----
----
10:55
----
WN1722
WN1185
----
----
----
----
----
11:10
----
WN2756
WN2058
12:45
11:10
11:10
----
----
----
----
WN1554
WN1037
11:45
----
----
----
----
----
----
WN2449
WN1037
----
----
----
----
----
11:50
----
WN4876
WN2058
----
12:50
12:50
----
----
----
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WN1341
WN1037
13:20
----
----
----
----
----
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WN4514
WN2058
13:25
14:25
14:25
----
----
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WN2226
WN1037
----
----
----
----
----
13:25
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WN648
WN1037
----
14:30
14:30
----
----
----
----
WN4514
WN1185
----
----
----
----
----
14:50
----
WN1401
WN1037
----
----
----
----
----
14:50
----
WN496
WN1037
----
----
----
16:25
16:25
----
16:25
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - BUF

The timetable & schedule information was updated at 2025-01-15

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