Airlines with flights from Buffalo to Denver

There are four airlines with scheduled flights between BUF and DEN. Southwest, Frontier Airlines and United has non-stop flights from Buffalo Niagara International to Denver International and the flight time is 3 hours and 35 minutes.

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Schedules

Non-stop with Southwest Airlines

  • Total flight time: 3 hours and 35 minutes
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 4 flights per week
  • Boeing 737-700 (winglets) Passenger/BBJ1
BUF
Direct
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
WN1525
07:00
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07:00
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07:00
WN196
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07:15
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07:15
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WN910
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----
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----
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18:20
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The timetable & schedule information was updated at 2025-01-15

Non-stop with Frontier Airlines

  • Total flight time: 3 hours and 52 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city.
  • 2 flights per week
BUF
Direct
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
SHOW RETURN SCHEDULE
CHECK PRICES FOR BUF - DEN

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

Non-stop with United Airlines

  • Total flight time: 3 hours and 45 minutes
  • Denver is a United Airlines hub.
  • First class available
BUF
Direct
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
SHOW RETURN SCHEDULE
CHECK PRICES FOR BUF - DEN

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

Via Dulles with United Airlines

  • Total flight time: 6h 10m - 8h 17m.
  • Denver is a United Airlines hub.
  • 21 flights per week
BUF
 
Via IAD
 
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
UA4190
UA1366
06:00
06:00
06:00
06:00
06:00
06:00
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UA4190
UA1926
06:00
06:00
06:00
06:00
06:00
06:00
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UA2357
UA2151
06:00
06:00
06:00
06:00
06:00
06:00
06:00
UA329
UA1803
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA329
UA1599
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA4875
UA2410
10:10
10:10
10:10
10:10
10:10
10:10
10:10
UA3484
UA2852
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13:02
UA3484
UA1197
13:08
13:08
13:08
13:08
13:08
13:08
13:02
UA4381
UA1946
13:55
13:55
13:55
13:55
13:55
13:55
13:55
UA4291
UA1728
15:00
15:00
15:00
15:00
15:00
15:00
15:00
UA630
UA1748
17:36
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17:36
17:36
17:36
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17:36
UA630
UA767
17:36
17:36
17:36
17:36
17:36
17:36
17:36
SHOW RETURN SCHEDULE
CHECK PRICES FOR BUF - DEN

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

Via Baltimore with Southwest Airlines

  • Total flight time: 5h 55m - 11h 15m.
  • Low-cost airline
  • Denver is a Southwest Airlines focus city (Operating base).
  • 18 flights per week
  • Boeing 737-700 (winglets) Passenger/BBJ1
BUF
 
Via BWI
 
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
WN3611
WN1569
05:40
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05:40
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05:40
WN3611
WN2932
05:40
06:00
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06:00
05:40
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05:40
WN3611
WN954
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06:00
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06:00
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WN3611
WN2195
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06:00
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06:00
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WN1360
WN1882
06:05
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06:05
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WN1360
WN1090
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06:15
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WN3611
WN2824
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06:15
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WN1360
WN1085
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06:20
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06:20
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WN1360
WN2249
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06:20
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06:20
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WN1682
WN3719
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11:00
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11:00
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WN1682
WN3447
11:05
11:00
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11:00
11:05
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11:05
WN3312
WN40
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11:30
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WN4605
WN4777
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13:25
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WN1481
WN681
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13:35
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WN351
WN2302
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14:15
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14:15
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WN1860
WN484
16:20
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16:20
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16:20
WN3468
WN1872
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16:20
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16:20
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WN1747
WN1574
17:40
16:35
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16:35
17:40
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17:40
WN1400
WN3414
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----
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17:15
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WN3754
WN4120
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19:15
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SHOW RETURN SCHEDULE
CHECK PRICES FOR BUF - DEN

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

Via Chicago with United Airlines

  • Total flight time: 5h 26m - 7h 55m.
  • Denver is a United Airlines hub.
  • 17 flights per week
BUF
 
Via ORD
 
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
UA4190
UA1366
06:00
06:00
06:00
06:00
06:00
06:00
----
UA4190
UA1926
06:00
06:00
06:00
06:00
06:00
06:00
----
UA2357
UA2151
06:00
06:00
06:00
06:00
06:00
06:00
06:00
UA329
UA1803
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA329
UA1599
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA4875
UA2410
10:10
10:10
10:10
10:10
10:10
10:10
10:10
UA3484
UA2852
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----
----
----
----
----
13:02
UA3484
UA1197
13:08
13:08
13:08
13:08
13:08
13:08
13:02
UA4381
UA1946
13:55
13:55
13:55
13:55
13:55
13:55
13:55
UA4291
UA1728
15:00
15:00
15:00
15:00
15:00
15:00
15:00
UA630
UA1748
17:36
----
17:36
17:36
17:36
----
17:36
UA630
UA767
17:36
17:36
17:36
17:36
17:36
17:36
17:36
SHOW RETURN SCHEDULE
CHECK PRICES FOR BUF - DEN

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

Via Dallas with American Airlines

  • Total flight time: 6h 02m - 8h 36m.
  • One World Alliance
  • 14 flights per week
BUF
 
Via DFW
 
DEN
 
Flight
Mon
Feb 17
Tue
Feb 18
Wed
Feb 19
Thu
Feb 20
Fri
Feb 21
Sat
Feb 22
Sun
Feb 23
AA1204
AA1445
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06:00
06:00
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06:00
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AA882
AA2359
06:32
06:32
06:32
06:32
06:32
06:32
06:32
AA3732
AA1387
17:03
15:20
15:20
17:03
17:03
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17:03
AA5812
AA3020
16:04
16:04
16:04
16:04
16:04
16:04
16:04
SHOW RETURN SCHEDULE
CHECK PRICES FOR BUF - DEN

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

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