Frontier Airlines flights from Houston George Bush (IAH) to Phoenix Sky Harbor (PHX).

FLIGHT SCHEDULE
Direct Flights:
Fri,Sat 09:47 Houston George Bush (IAH) A 12:00 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:13 Effective 2026-03-06 through 2026-03-07
Mon,Wed,Fri,Sat 10:27 Houston George Bush (IAH) A 11:42 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:15 Effective 2026-03-25 through 2026-03-30
Mon,Fri 10:33 Houston George Bush (IAH) A 11:48 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:15 Effective 2026-03-13 through 2026-03-23
Tue-Thu,Sat,Sun 10:41 Houston George Bush (IAH) A 11:56 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:15 Effective 2026-03-14 through 2026-03-22
Mon-Thu,Sun 10:47 Houston George Bush (IAH) A 12:02 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:15 Effective 2026-03-08 through 2026-03-12
Thu 12:55 Houston George Bush (IAH) A 15:09 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:14 Effective 2026-01-22 through 2026-02-05
Mon,Fri-Sun 14:43 Houston George Bush (IAH) A 16:56 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:13 Effective 2026-01-23 through 2026-02-09
Sat 16:51 Houston George Bush (IAH) A 19:01 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A321neo (32Q) 3:10 Operates only on 2026-01-17
Mon,Fri 20:27 Houston George Bush (IAH) A 22:36 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 1703 Non-stop Airbus A320neo (32N) 3:09 Effective 2026-01-09 through 2026-01-12
Sat 18:44 Houston George Bush (IAH) A 20:59 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:15 Operates only on 2026-03-07
Thu,Sun 20:07 Houston George Bush (IAH) A 21:15 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:08 Effective 2026-03-08 through 2026-03-12
Thu 21:28 Houston George Bush (IAH) A 23:36 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A321neo (32Q) 3:08 Operates only on 2026-01-15
Mon,Fri 21:28 Houston George Bush (IAH) A 23:36 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:08 Effective 2026-01-16 through 2026-01-19
Sun 21:28 Houston George Bush (IAH) A 23:36 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A321 (321) 3:08 Operates only on 2026-01-18
Thu 21:36 Houston George Bush (IAH) A 23:44 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:08 Effective 2026-02-12 through 2026-03-05
Sun 21:41 Houston George Bush (IAH) A 23:49 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:08 Effective 2026-02-15 through 2026-03-01
Mon 21:51 Houston George Bush (IAH) A 23:59 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:08 Effective 2026-02-16 through 2026-03-02
Mon,Fri,Sat 22:28 Houston George Bush (IAH) A 00:28 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A321neo (32Q) 3:00 Valid until 2026-01-05 The flight arrives 1 day after departure.
Thu 22:28 Houston George Bush (IAH) A 00:28 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:00 Operates only on 2026-01-08 The flight arrives 1 day after departure.
Sun 22:28 Houston George Bush (IAH) A 00:28 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A321 (321) 3:00 Operates only on 2026-01-11 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:28 Houston George Bush (IAH) A 23:28 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A321 (321) 3:00 Effective 2026-04-02 through 2026-04-13
Sun 22:32 Houston George Bush (IAH) A 00:32 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A321neo (32Q) 3:00 Valid until 2026-01-04 The flight arrives 1 day after departure.
Fri 22:36 Houston George Bush (IAH) A 00:48 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:12 Effective 2026-02-13 through 2026-02-27 The flight arrives 1 day after departure.
Mon,Sat 22:45 Houston George Bush (IAH) A 23:57 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:12 Effective 2026-03-09 through 2026-03-14
Sat 22:45 Houston George Bush (IAH) A 23:57 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4181 Non-stop Airbus A320neo (32N) 3:12 Operates only on 2026-03-21
Sat 21:36 Houston George Bush (IAH) A 23:44 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4183 Non-stop Airbus A320neo (32N) 3:08 Effective 2026-02-14 through 2026-02-28
Fri 22:28 Houston George Bush (IAH) A 00:40 Phoenix Sky Harbor (PHX) 3 Frontier Airlines F9 4183 Non-stop Airbus A320neo (32N) 3:12 Operates only on 2026-03-06 The flight arrives 1 day after departure.

A domestic route departing from the Houston George Bush airport (IAH) and arriving at Phoenix Sky Harbor airport (PHX).
The flight distance is 1007 miles, or 1620 km.
The timezone of the departure airport is UTC-6 , 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 3:00 and 3:15.

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FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F91703

09:47

Houston George Bush (IAH) A

12:00

Phoenix Sky Harbor (PHX) 3

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:13, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

10:27

Houston George Bush (IAH) A

11:42

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-25 through 2026-03-30

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 3:15, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

10:33

Houston George Bush (IAH) A

11:48

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-13 through 2026-03-23

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:15, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

10:41

Houston George Bush (IAH) A

11:56

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-14 through 2026-03-22

Mon
-

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 3:15, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

10:47

Houston George Bush (IAH) A

12:02

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-08 through 2026-03-12

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

12:55

Houston George Bush (IAH) A

15:09

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-22 through 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:14, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

14:43

Houston George Bush (IAH) A

16:56

Phoenix Sky Harbor (PHX) 3

Effective 2026-01-23 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 3:13, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F91703

16:51

Houston George Bush (IAH) A

19:01

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:10, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F91703

20:27

Houston George Bush (IAH) A

22:36

Phoenix Sky Harbor (PHX) 3

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:09, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

18:44

Houston George Bush (IAH) A

20:59

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

20:07

Houston George Bush (IAH) A

21:15

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-08 through 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 3:08, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

21:28

Houston George Bush (IAH) A

23:36

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:08, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94181

21:28

Houston George Bush (IAH) A

23:36

Phoenix Sky Harbor (PHX) 3

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:08, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

21:28

Houston George Bush (IAH) A

23:36

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:08, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F94181

21:36

Houston George Bush (IAH) A

23:44

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-12 through 2026-03-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:08, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

21:41

Houston George Bush (IAH) A

23:49

Phoenix Sky Harbor (PHX) 3

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:08, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

21:51

Houston George Bush (IAH) A

23:59

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-16 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:08, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

22:28

Houston George Bush (IAH) A

00:28(+1)

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 3:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F94181

22:28

Houston George Bush (IAH) A

00:28(+1)

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-08

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F94181

22:28

Houston George Bush (IAH) A

00:28(+1)

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F94181

22:28

Houston George Bush (IAH) A

23:28

Phoenix Sky Harbor (PHX) 3

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:00, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F94181

22:32

Houston George Bush (IAH) A

00:32(+1)

Phoenix Sky Harbor (PHX) 3

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F94181

22:36

Houston George Bush (IAH) A

00:48(+1)

Phoenix Sky Harbor (PHX) 3

Effective 2026-02-13 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:12, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F94181

22:45

Houston George Bush (IAH) A

23:57

Phoenix Sky Harbor (PHX) 3

Effective 2026-03-09 through 2026-03-14

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:12, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94181

22:45

Houston George Bush (IAH) A

23:57

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-03-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:12, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94183

21:36

Houston George Bush (IAH) A

23:44

Phoenix Sky Harbor (PHX) 3

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:08, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94183

22:28

Houston George Bush (IAH) A

00:40(+1)

Phoenix Sky Harbor (PHX) 3

Operates only on 2026-03-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:12, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

A domestic route departing from the Houston George Bush airport (IAH) and arriving at Phoenix Sky Harbor airport (PHX).
The flight distance is 1007 miles, or 1620 km.
The timezone of the departure airport is UTC-6 , 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 3:00 and 3:15.

All IAH-PHX flights

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Return (PHX-IAH) flights

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