Frontier Airlines flights from Buffalo (BUF) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thu 21:28 Buffalo (BUF) 23:39 Denver (DEN)
Frontier Airlines F9 449 Non-stop Airbus A320neo (32N) 4:11 Effective 2023-02-16 through 2023-03-02
Mon,Thu 11:35 Buffalo (BUF) 13:27 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 3:52 Valid until 2023-01-02
Sun 11:49 Buffalo (BUF) 13:50 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:01 Effective 2023-01-08 through 2023-02-12
Mon,Thu,Fri,Sun 11:51 Buffalo (BUF) 13:44 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 3:53 Effective 2023-03-09 through 2023-04-03
Mon,Thu,Fri,Sun 11:51 Buffalo (BUF) 13:34 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 3:43 Effective 2023-04-06 through 2023-04-17
Thu 12:20 Buffalo (BUF) 14:31 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:11 Effective 2023-01-05 through 2023-02-09
Daily 17:08 Buffalo (BUF) 18:55 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 3:47 Effective from 2023-04-20
Fri 18:48 Buffalo (BUF) 20:54 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:06 Effective 2023-02-17 through 2023-03-03
Sun 21:08 Buffalo (BUF) 23:19 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:11 Effective 2023-02-19 through 2023-03-05
Mon 21:25 Buffalo (BUF) 23:36 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:11 Effective 2023-02-20 through 2023-03-06
Fri 21:41 Buffalo (BUF) 23:52 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320 (320) 4:11 Operates only on 2023-01-06
Fri 21:41 Buffalo (BUF) 23:52 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:11 Effective 2023-01-13 through 2023-02-03
Mon,Fri 21:41 Buffalo (BUF) 23:52 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A320neo (32N) 4:11 Effective 2023-02-06 through 2023-02-10
Mon 22:12 Buffalo (BUF) 00:21 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A321 (321) 4:09 Effective 2023-01-09 through 2023-01-30
The flight arrives 1 day after departure.
Mon 22:12 Buffalo (BUF) 00:21 Denver (DEN)
Frontier Airlines F9 451 Non-stop Airbus A321 (321) 4:09 Operates only on 2023-02-13
The flight arrives 1 day after departure.




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Frontier Airlines flights from Buffalo (BUF) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F9449
21:28
Buffalo (BUF)

23:39
Denver (DEN)
Effective 2023-02-16 through 2023-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
11:35
Buffalo (BUF)

13:27
Denver (DEN)
Valid until 2023-01-02
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:52, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
11:49
Buffalo (BUF)

13:50
Denver (DEN)
Effective 2023-01-08 through 2023-02-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:01, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
11:51
Buffalo (BUF)

13:44
Denver (DEN)
Effective 2023-03-09 through 2023-04-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:53, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
11:51
Buffalo (BUF)

13:34
Denver (DEN)
Effective 2023-04-06 through 2023-04-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:43, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
12:20
Buffalo (BUF)

14:31
Denver (DEN)
Effective 2023-01-05 through 2023-02-09
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
17:08
Buffalo (BUF)

18:55
Denver (DEN)
Effective from 2023-04-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
18:48
Buffalo (BUF)

20:54
Denver (DEN)
Effective 2023-02-17 through 2023-03-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:06, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
21:08
Buffalo (BUF)

23:19
Denver (DEN)
Effective 2023-02-19 through 2023-03-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:11, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
21:25
Buffalo (BUF)

23:36
Denver (DEN)
Effective 2023-02-20 through 2023-03-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
21:41
Buffalo (BUF)

23:52
Denver (DEN)
Operates only on 2023-01-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320 (320)
Frontier Airlines F9451
21:41
Buffalo (BUF)

23:52
Denver (DEN)
Effective 2023-01-13 through 2023-02-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
21:41
Buffalo (BUF)

23:52
Denver (DEN)
Effective 2023-02-06 through 2023-02-10
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:11, non-stop
Airbus A320neo (32N)
Frontier Airlines F9451
22:12
Buffalo (BUF)

00:21(+1)
Denver (DEN)
Effective 2023-01-09 through 2023-01-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:09, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Frontier Airlines F9451
22:12
Buffalo (BUF)

00:21(+1)
Denver (DEN)
Operates only on 2023-02-13
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:09, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
  • A domestic route departing from the Buffalo airport (BUF) and arriving at Denver airport (DEN).
  • The flight distance is 1355 miles, or 2180 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:43 and 4:11.
All BUF-DEN flights
All Frontier Airlines flights
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