All airlines flying from Phoenix Sky Harbor (PHX) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Flights:
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
Daily 08:30 Phoenix Sky Harbor (PHX) 4 11:24 Denver (DEN) American Airlines AA 1757 Non-stop Airbus A320 (320) 1:54 Effective 2026-05-21 through 2026-07-01
Mon,Thu,Fri 18:15 Phoenix Sky Harbor (PHX) 4 20:00 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 18:15 Phoenix Sky Harbor (PHX) 4 20:00 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-15 through 2026-02-19
Mon 18:15 Phoenix Sky Harbor (PHX) 4 20:00 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-23 through 2026-03-02
Thu,Fri,Sun 18:25 Phoenix Sky Harbor (PHX) 4 20:10 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:25 Phoenix Sky Harbor (PHX) 4 20:10 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-01-19 through 2026-01-25
Sun 18:25 Phoenix Sky Harbor (PHX) 4 20:10 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-02-01
Mon,Thu,Fri 18:25 Phoenix Sky Harbor (PHX) 4 20:10 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 18:25 Phoenix Sky Harbor (PHX) 4 20:10 Denver (DEN) Southwest Airlines WN 1802 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-02-20 through 2026-03-01
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.
Fri 22:36 Phoenix Sky Harbor (PHX) 3 00:27 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:51 Effective 2026-01-23 through 2026-02-06 The flight arrives 1 day after departure.
Mon,Fri 22:39 Phoenix Sky Harbor (PHX) 3 00:30 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:51 Effective 2026-02-13 through 2026-03-02 The flight arrives 1 day after departure.
Sat 22:46 Phoenix Sky Harbor (PHX) 3 00:40 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A321neo (32Q) 1:54 Operates only on 2026-01-03 The flight arrives 1 day after departure.
Thu 22:51 Phoenix Sky Harbor (PHX) 3 00:42 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320 (320) 1:51 Effective 2026-02-12 through 2026-02-19 The flight arrives 1 day after departure.
Sat,Sun 22:51 Phoenix Sky Harbor (PHX) 3 00:42 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:51 Effective 2026-02-14 through 2026-02-22 The flight arrives 1 day after departure.
Thu,Sat,Sun 22:51 Phoenix Sky Harbor (PHX) 3 00:42 Denver (DEN) Frontier Airlines F9 1820 Non-stop Airbus A320neo (32N) 1:51 Effective 2026-02-26 through 2026-03-05 The flight arrives 1 day after departure.
Mon,Thu,Fri 11:15 Phoenix Sky Harbor (PHX) 4 13:05 Denver (DEN) Southwest Airlines WN 1879 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 11:15 Phoenix Sky Harbor (PHX) 4 13:05 Denver (DEN) Southwest Airlines WN 1879 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-02-20 through 2026-03-01
Sat 11:50 Phoenix Sky Harbor (PHX) 4 13:45 Denver (DEN) Southwest Airlines WN 1879 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-02-14 through 2026-02-28
Daily 07:00 Phoenix Sky Harbor (PHX) 3 09:55 Denver (DEN) United Airlines UA 1885 Non-stop Airbus A321neo (32Q) 1:55 Effective 2026-03-29 through 2026-04-29
Tue,Wed 17:25 Phoenix Sky Harbor (PHX) 4 20:10 Denver (DEN) Southwest Airlines WN 1911 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-03-10 through 2026-04-01
Sat 14:20 Phoenix Sky Harbor (PHX) 4 16:05 Denver (DEN) Southwest Airlines WN 1988 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-02-14 through 2026-02-28
Thu,Fri 14:30 Phoenix Sky Harbor (PHX) 4 16:15 Denver (DEN) Southwest Airlines WN 1988 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-02-12 through 2026-02-13
Thu,Fri,Sun 14:30 Phoenix Sky Harbor (PHX) 4 16:15 Denver (DEN) Southwest Airlines WN 1988 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-02-20 through 2026-03-01

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Parallax here PHX-DEN

1 2 3 4 5 6 7 8 ... 23 24 25

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 1:44 and 2:02.

Return (DEN-PHX) flights

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All airlines flying from Phoenix Sky Harbor (PHX) to Denver (DEN).

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FLIGHT SCHEDULE

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:

American Airlines AA1757

08:30

Phoenix Sky Harbor (PHX) 4

11:24

Denver (DEN)

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

Southwest Airlines WN1802

18:15

Phoenix Sky Harbor (PHX) 4

20:00

Denver (DEN)

Effective 2026-02-05 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1802

18:15

Phoenix Sky Harbor (PHX) 4

20:00

Denver (DEN)

Effective 2026-02-15 through 2026-02-19

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1802

18:15

Phoenix Sky Harbor (PHX) 4

20:00

Denver (DEN)

Effective 2026-02-23 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1802

18:25

Phoenix Sky Harbor (PHX) 4

20:10

Denver (DEN)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1802

18:25

Phoenix Sky Harbor (PHX) 4

20:10

Denver (DEN)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1802

18:25

Phoenix Sky Harbor (PHX) 4

20:10

Denver (DEN)

Operates only on 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1802

18:25

Phoenix Sky Harbor (PHX) 4

20:10

Denver (DEN)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1802

18:25

Phoenix Sky Harbor (PHX) 4

20:10

Denver (DEN)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

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.

Direct Flights:

Frontier Airlines F91820

22:36

Phoenix Sky Harbor (PHX) 3

00:27(+1)

Denver (DEN)

Effective 2026-01-23 through 2026-02-06

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

22:39

Phoenix Sky Harbor (PHX) 3

00:30(+1)

Denver (DEN)

Effective 2026-02-13 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:51, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

22:46

Phoenix Sky Harbor (PHX) 3

00:40(+1)

Denver (DEN)

Operates only on 2026-01-03

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

22:51

Phoenix Sky Harbor (PHX) 3

00:42(+1)

Denver (DEN)

Effective 2026-02-12 through 2026-02-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:51, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

22:51

Phoenix Sky Harbor (PHX) 3

00:42(+1)

Denver (DEN)

Effective 2026-02-14 through 2026-02-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 1:51, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F91820

22:51

Phoenix Sky Harbor (PHX) 3

00:42(+1)

Denver (DEN)

Effective 2026-02-26 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun

Duration: 1:51, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1879

11:15

Phoenix Sky Harbor (PHX) 4

13:05

Denver (DEN)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1879

11:15

Phoenix Sky Harbor (PHX) 4

13:05

Denver (DEN)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1879

11:50

Phoenix Sky Harbor (PHX) 4

13:45

Denver (DEN)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

United Airlines UA1885

07:00

Phoenix Sky Harbor (PHX) 3

09:55

Denver (DEN)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

Southwest Airlines WN1911

17:25

Phoenix Sky Harbor (PHX) 4

20:10

Denver (DEN)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1988

14:20

Phoenix Sky Harbor (PHX) 4

16:05

Denver (DEN)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1988

14:30

Phoenix Sky Harbor (PHX) 4

16:15

Denver (DEN)

Effective 2026-02-12 through 2026-02-13

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1988

14:30

Phoenix Sky Harbor (PHX) 4

16:15

Denver (DEN)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

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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 1:44 and 2:02.

Return (DEN-PHX) flights

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