Frontier Airlines flights from Phoenix Sky Harbor (PHX) to Denver (DEN).

FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Phoenix Sky Harbor (PHX) 3 07:54 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-02-10 through 2026-03-05
Daily 06:00 Phoenix Sky Harbor (PHX) 3 08:55 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A321 (321) 1:55 Effective 2026-04-01 through 2026-04-13
Mon,Thu 06:50 Phoenix Sky Harbor (PHX) 3 08:44 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A321 (321) 1:54 Effective 2026-01-15 through 2026-01-19
Fri 06:50 Phoenix Sky Harbor (PHX) 3 08:44 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A321neo (32Q) 1:54 Operates only on 2026-01-16
Sun 06:50 Phoenix Sky Harbor (PHX) 3 08:44 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:54 Operates only on 2026-01-18
Daily 06:50 Phoenix Sky Harbor (PHX) 3 09:44 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-03-08 through 2026-03-31
Daily 07:00 Phoenix Sky Harbor (PHX) 3 08:55 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A321neo (32Q) 1:55 Valid until 2026-01-05
Thu 07:00 Phoenix Sky Harbor (PHX) 3 08:55 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A321neo (32Q) 1:55 Operates only on 2026-01-08
Mon,Fri,Sun 07:00 Phoenix Sky Harbor (PHX) 3 08:55 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:55 Effective 2026-01-09 through 2026-01-12
Mon,Thu,Fri,Sun 07:00 Phoenix Sky Harbor (PHX) 3 08:54 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-01-22 through 2026-02-09
Fri,Sat 07:50 Phoenix Sky Harbor (PHX) 3 09:44 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-03-06 through 2026-03-07
Tue,Wed,Sat 08:30 Phoenix Sky Harbor (PHX) 3 10:27 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A320neo (32N) 1:57 Effective 2026-01-20 through 2026-02-07
Sat 16:41 Phoenix Sky Harbor (PHX) 3 18:37 Denver (DEN) Frontier Airlines F9 1376 Non-stop Airbus A321 (321) 1:56 Operates only on 2026-01-10
Mon,Thu,Fri,Sun 12:03 Phoenix Sky Harbor (PHX) 3 14:58 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321 (321) 1:55 Effective 2026-04-02 through 2026-04-13
Sat 12:10 Phoenix Sky Harbor (PHX) 3 14:05 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:55 Operates only on 2026-01-03
Tue,Wed 12:17 Phoenix Sky Harbor (PHX) 3 14:09 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:52 Effective 2026-02-10 through 2026-03-04
Tue 13:00 Phoenix Sky Harbor (PHX) 3 14:54 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321neo (32Q) 1:54 Operates only on 2026-01-20
Tue,Wed,Sat 13:00 Phoenix Sky Harbor (PHX) 3 14:54 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-01-21 through 2026-02-07
Thu 13:10 Phoenix Sky Harbor (PHX) 3 15:04 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Operates only on 2026-02-05
Mon,Thu,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 3 15:14 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-01-22 through 2026-02-02
Mon,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 3 15:14 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-02-06 through 2026-02-09
Mon,Thu-Sat 13:22 Phoenix Sky Harbor (PHX) 3 15:16 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-02-12 through 2026-02-26
Mon,Thu,Sat 13:22 Phoenix Sky Harbor (PHX) 3 15:16 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-02-28 through 2026-03-05
Sun 13:27 Phoenix Sky Harbor (PHX) 3 15:21 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-02-15 through 2026-03-01
Fri 13:41 Phoenix Sky Harbor (PHX) 3 15:35 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Operates only on 2026-02-27
Wed 14:59 Phoenix Sky Harbor (PHX) 3 16:52 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321neo (32Q) 1:53 Operates only on 2026-01-14
Sat 14:59 Phoenix Sky Harbor (PHX) 3 16:52 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:53 Operates only on 2026-01-17
Mon,Fri 15:03 Phoenix Sky Harbor (PHX) 3 16:57 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:54 Effective 2026-01-16 through 2026-01-19
Thu,Sun 15:08 Phoenix Sky Harbor (PHX) 3 17:00 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321neo (32Q) 1:52 Effective 2026-01-15 through 2026-01-18
Mon,Tue,Thu-Sun 15:11 Phoenix Sky Harbor (PHX) 3 18:05 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321neo (32Q) 1:54 Effective 2026-03-08 through 2026-03-31
Fri,Sat 16:11 Phoenix Sky Harbor (PHX) 3 18:08 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321neo (32Q) 1:57 Effective 2026-03-06 through 2026-03-07
Tue 16:41 Phoenix Sky Harbor (PHX) 3 18:37 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321 (321) 1:56 Operates only on 2026-01-06
Wed 16:41 Phoenix Sky Harbor (PHX) 3 18:37 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:56 Operates only on 2026-01-07
Thu 18:25 Phoenix Sky Harbor (PHX) 3 20:20 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A321neo (32Q) 1:55 Operates only on 2026-01-08
Fri,Sun 18:25 Phoenix Sky Harbor (PHX) 3 20:20 Denver (DEN) Frontier Airlines F9 1748 Non-stop Airbus A320neo (32N) 1:55 Effective 2026-01-09 through 2026-01-11
Wed 18:45 Phoenix Sky Harbor (PHX) 3 21:40 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:55 Operates only on 2026-03-11
Wed 18:45 Phoenix Sky Harbor (PHX) 3 21:40 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:55 Operates only on 2026-03-25
Wed 18:55 Phoenix Sky Harbor (PHX) 3 21:50 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:55 Operates only on 2026-03-18
Fri 19:34 Phoenix Sky Harbor (PHX) 3 21:28 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:54 Operates only on 2026-01-16
Mon,Thu,Fri,Sun 21:22 Phoenix Sky Harbor (PHX) 3 23:19 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:57 Effective 2026-01-08 through 2026-01-12
Mon,Thu-Sun 21:24 Phoenix Sky Harbor (PHX) 3 00:18 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:54 Effective 2026-03-08 through 2026-03-30 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:31 Phoenix Sky Harbor (PHX) 3 00:25 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321 (321) 1:54 Effective 2026-04-02 through 2026-04-13 The flight arrives 1 day after departure.
Thu 21:35 Phoenix Sky Harbor (PHX) 3 23:29 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:54 Operates only on 2026-01-15
Mon 21:35 Phoenix Sky Harbor (PHX) 3 23:29 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320 (320) 1:54 Operates only on 2026-01-19
Sun 21:37 Phoenix Sky Harbor (PHX) 3 23:29 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:52 Operates only on 2026-01-18
Sun 21:50 Phoenix Sky Harbor (PHX) 3 23:44 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:54 Operates only on 2026-01-25
Sun 21:58 Phoenix Sky Harbor (PHX) 3 23:52 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:54 Effective 2026-02-01 through 2026-02-08
Fri,Sat 22:24 Phoenix Sky Harbor (PHX) 3 00:15 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:51 Effective 2026-03-06 through 2026-03-07 The flight arrives 1 day after departure.
Mon,Thu,Sun 22:31 Phoenix Sky Harbor (PHX) 3 00:25 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:54 Valid until 2026-01-05 The flight arrives 1 day after departure.
Fri,Sat 22:31 Phoenix Sky Harbor (PHX) 3 00:25 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:54 Valid until 2026-01-02 The flight arrives 1 day after departure.

1 2 3

A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Denver airport (DEN).
The flight distance is 601 miles, or 968 km.
The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 1:51 and 1:58.

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Frontier Airlines flights from Phoenix Sky Harbor (PHX) to Denver (DEN).

FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F91376

06:00

Phoenix Sky Harbor (PHX) 3

07:54

Denver (DEN)

Effective 2026-02-10 through 2026-03-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

06:00

Phoenix Sky Harbor (PHX) 3

08:55

Denver (DEN)

Effective 2026-04-01 through 2026-04-13

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F91376

06:50

Phoenix Sky Harbor (PHX) 3

08:44

Denver (DEN)

Effective 2026-01-15 through 2026-01-19

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F91376

06:50

Phoenix Sky Harbor (PHX) 3

08:44

Denver (DEN)

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91376

06:50

Phoenix Sky Harbor (PHX) 3

08:44

Denver (DEN)

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

06:50

Phoenix Sky Harbor (PHX) 3

09:44

Denver (DEN)

Effective 2026-03-08 through 2026-03-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

07:00

Phoenix Sky Harbor (PHX) 3

08:55

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91376

07:00

Phoenix Sky Harbor (PHX) 3

08:55

Denver (DEN)

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91376

07:00

Phoenix Sky Harbor (PHX) 3

08:55

Denver (DEN)

Effective 2026-01-09 through 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

07:00

Phoenix Sky Harbor (PHX) 3

08:54

Denver (DEN)

Effective 2026-01-22 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

07:50

Phoenix Sky Harbor (PHX) 3

09:44

Denver (DEN)

Effective 2026-03-06 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

08:30

Phoenix Sky Harbor (PHX) 3

10:27

Denver (DEN)

Effective 2026-01-20 through 2026-02-07

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:57, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91376

16:41

Phoenix Sky Harbor (PHX) 3

18:37

Denver (DEN)

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:56, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F91748

12:03

Phoenix Sky Harbor (PHX) 3

14:58

Denver (DEN)

Effective 2026-04-02 through 2026-04-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F91748

12:10

Phoenix Sky Harbor (PHX) 3

14:05

Denver (DEN)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:55, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

12:17

Phoenix Sky Harbor (PHX) 3

14:09

Denver (DEN)

Effective 2026-02-10 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:52, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:00

Phoenix Sky Harbor (PHX) 3

14:54

Denver (DEN)

Operates only on 2026-01-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91748

13:00

Phoenix Sky Harbor (PHX) 3

14:54

Denver (DEN)

Effective 2026-01-21 through 2026-02-07

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:10

Phoenix Sky Harbor (PHX) 3

15:04

Denver (DEN)

Operates only on 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:20

Phoenix Sky Harbor (PHX) 3

15:14

Denver (DEN)

Effective 2026-01-22 through 2026-02-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:20

Phoenix Sky Harbor (PHX) 3

15:14

Denver (DEN)

Effective 2026-02-06 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:22

Phoenix Sky Harbor (PHX) 3

15:16

Denver (DEN)

Effective 2026-02-12 through 2026-02-26

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:22

Phoenix Sky Harbor (PHX) 3

15:16

Denver (DEN)

Effective 2026-02-28 through 2026-03-05

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:27

Phoenix Sky Harbor (PHX) 3

15:21

Denver (DEN)

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

13:41

Phoenix Sky Harbor (PHX) 3

15:35

Denver (DEN)

Operates only on 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

14:59

Phoenix Sky Harbor (PHX) 3

16:52

Denver (DEN)

Operates only on 2026-01-14

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:53, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91748

14:59

Phoenix Sky Harbor (PHX) 3

16:52

Denver (DEN)

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:53, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

15:03

Phoenix Sky Harbor (PHX) 3

16:57

Denver (DEN)

Effective 2026-01-16 through 2026-01-19

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

15:08

Phoenix Sky Harbor (PHX) 3

17:00

Denver (DEN)

Effective 2026-01-15 through 2026-01-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 1:52, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91748

15:11

Phoenix Sky Harbor (PHX) 3

18:05

Denver (DEN)

Effective 2026-03-08 through 2026-03-31

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91748

16:11

Phoenix Sky Harbor (PHX) 3

18:08

Denver (DEN)

Effective 2026-03-06 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 1:57, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91748

16:41

Phoenix Sky Harbor (PHX) 3

18:37

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:56, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F91748

16:41

Phoenix Sky Harbor (PHX) 3

18:37

Denver (DEN)

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:56, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91748

18:25

Phoenix Sky Harbor (PHX) 3

20:20

Denver (DEN)

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91748

18:25

Phoenix Sky Harbor (PHX) 3

20:20

Denver (DEN)

Effective 2026-01-09 through 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:55, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

18:45

Phoenix Sky Harbor (PHX) 3

21:40

Denver (DEN)

Operates only on 2026-03-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

18:45

Phoenix Sky Harbor (PHX) 3

21:40

Denver (DEN)

Operates only on 2026-03-25

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

18:55

Phoenix Sky Harbor (PHX) 3

21:50

Denver (DEN)

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

19:34

Phoenix Sky Harbor (PHX) 3

21:28

Denver (DEN)

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

21:22

Phoenix Sky Harbor (PHX) 3

23:19

Denver (DEN)

Effective 2026-01-08 through 2026-01-12

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:57, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

21:24

Phoenix Sky Harbor (PHX) 3

00:18(+1)

Denver (DEN)

Effective 2026-03-08 through 2026-03-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

21:31

Phoenix Sky Harbor (PHX) 3

00:25(+1)

Denver (DEN)

Effective 2026-04-02 through 2026-04-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

21:35

Phoenix Sky Harbor (PHX) 3

23:29

Denver (DEN)

Operates only on 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91820

21:35

Phoenix Sky Harbor (PHX) 3

23:29

Denver (DEN)

Operates only on 2026-01-19

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:54, non-stop
Airbus A320 (320)

Direct Flights:

Frontier Airlines F91820

21:37

Phoenix Sky Harbor (PHX) 3

23:29

Denver (DEN)

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:52, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91820

21:50

Phoenix Sky Harbor (PHX) 3

23:44

Denver (DEN)

Operates only on 2026-01-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91820

21:58

Phoenix Sky Harbor (PHX) 3

23:52

Denver (DEN)

Effective 2026-02-01 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91820

22:24

Phoenix Sky Harbor (PHX) 3

00:15(+1)

Denver (DEN)

Effective 2026-03-06 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 1:51, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

22:31

Phoenix Sky Harbor (PHX) 3

00:25(+1)

Denver (DEN)

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 1:54, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

22:31

Phoenix Sky Harbor (PHX) 3

00:25(+1)

Denver (DEN)

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 1:54, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

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A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Denver airport (DEN).
The flight distance is 601 miles, or 968 km.
The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 1:51 and 1:58.

All PHX-DEN flights

All Frontier Airlines flights

Return (DEN-PHX) flights

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