All airlines flying from Denver (DEN) to Houston George Bush (IAH).

FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu-Sun 21:00 Denver (DEN) 00:31 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A320neo (32N) 2:31 Effective 2026-01-06 through 2026-01-12 The flight arrives 1 day after departure.
Mon,Thu,Sun 21:00 Denver (DEN) 00:33 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-01-15 through 2026-01-22 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:00 Denver (DEN) 00:33 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-01-23 through 2026-02-09 The flight arrives 1 day after departure.
Mon,Thu-Sun 21:00 Denver (DEN) 00:33 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-02-12 through 2026-03-05 The flight arrives 1 day after departure.
Daily 21:00 Denver (DEN) 00:31 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A321 (321) 2:31 Effective 2026-04-01 through 2026-04-13 The flight arrives 1 day after departure.
Fri 21:02 Denver (DEN) 00:35 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A321neo (32Q) 2:33 Operates only on 2026-01-16 The flight arrives 1 day after departure.
Daily 21:06 Denver (DEN) 00:39 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-03-06 through 2026-03-31 The flight arrives 1 day after departure.
Mon-Sat 21:07 Denver (DEN) 00:38 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A320neo (32N) 2:31 Valid until 2026-01-05 The flight arrives 1 day after departure.
Sun 21:07 Denver (DEN) 00:38 Houston George Bush (IAH) A Frontier Airlines F9 2996 Non-stop Airbus A320 (320) 2:31 Valid until 2026-01-04 The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 05:15 Denver (DEN) 08:58 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:43 Effective 2026-03-06 through 2026-03-30
Thu,Fri 06:00 Denver (DEN) 09:30 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:30 Effective 2026-01-08 through 2026-01-09
Mon,Sun 06:00 Denver (DEN) 09:30 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:30 Effective 2026-01-11 through 2026-01-12
Mon,Fri 06:00 Denver (DEN) 09:36 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:36 Effective 2026-01-16 through 2026-01-19
Mon,Fri 06:00 Denver (DEN) 09:36 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:36 Effective 2026-02-13 through 2026-03-02
Sun 06:00 Denver (DEN) 09:36 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:36 Effective 2026-02-15 through 2026-02-22
Mon,Fri,Sun 06:20 Denver (DEN) 09:56 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:36 Effective 2026-01-23 through 2026-02-01
Mon 06:20 Denver (DEN) 09:56 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:36 Operates only on 2026-02-02
Mon,Fri,Sun 06:20 Denver (DEN) 09:56 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:36 Effective 2026-02-06 through 2026-02-09
Thu,Sun 06:30 Denver (DEN) 10:06 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:36 Effective 2026-01-15 through 2026-01-18
Mon,Wed,Thu,Sat,Sun 07:00 Denver (DEN) 10:37 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:37 Valid until 2026-01-05
Fri 07:00 Denver (DEN) 10:37 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:37 Operates only on 2026-01-02
Daily 07:00 Denver (DEN) 10:37 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321 (321) 2:37 Effective 2026-04-01 through 2026-04-13
Thu 10:45 Denver (DEN) 14:16 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:31 Effective 2026-01-22 through 2026-02-05
Tue,Wed 11:40 Denver (DEN) 15:13 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-01-20 through 2026-02-04
Sat 11:40 Denver (DEN) 15:13 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A320neo (32N) 2:33 Effective 2026-01-24 through 2026-02-07
Sat 11:42 Denver (DEN) 15:15 Houston George Bush (IAH) A Frontier Airlines F9 3206 Non-stop Airbus A321neo (32Q) 2:33 Operates only on 2026-01-17
Sun 14:31 Denver (DEN) 18:05 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:34 Operates only on 2026-02-01
Mon 15:31 Denver (DEN) 18:58 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A321neo (32Q) 2:27 Valid until 2026-01-05
Tue,Wed 15:36 Denver (DEN) 19:14 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A321neo (32Q) 2:38 Effective 2026-02-10 through 2026-03-04
Thu 16:53 Denver (DEN) 20:19 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A321neo (32Q) 2:26 Operates only on 2026-02-26
Fri 17:29 Denver (DEN) 21:00 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:31 Valid until 2026-01-02
Fri 17:29 Denver (DEN) 21:08 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:39 Effective 2026-02-13 through 2026-02-20
Fri,Sat 18:25 Denver (DEN) 22:01 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A321 (321) 2:36 Effective 2026-03-06 through 2026-03-07
Tue,Sat 18:45 Denver (DEN) 22:15 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:30 Effective 2026-01-06 through 2026-01-10
Tue,Wed 19:15 Denver (DEN) 22:55 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:40 Effective 2026-01-13 through 2026-01-14
Tue,Sat 19:59 Denver (DEN) 23:39 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:40 Effective 2026-01-20 through 2026-02-07
Wed 21:00 Denver (DEN) 00:31 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:31 Operates only on 2026-01-07 The flight arrives 1 day after departure.
Sat 21:02 Denver (DEN) 00:35 Houston George Bush (IAH) A Frontier Airlines F9 3228 Non-stop Airbus A320neo (32N) 2:33 Operates only on 2026-01-17 The flight arrives 1 day after departure.
Mon 08:53 Denver (DEN) 12:32 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:39 Operates only on 2026-02-16
Mon 11:00 Denver (DEN) 14:33 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A321neo (32Q) 2:33 Effective 2026-02-23 through 2026-03-02
Sun 12:00 Denver (DEN) 15:32 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:32 Operates only on 2026-03-01
Fri 12:06 Denver (DEN) 15:38 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:32 Operates only on 2026-02-27
Mon,Fri 12:20 Denver (DEN) 15:52 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A321neo (32Q) 2:32 Effective 2026-01-23 through 2026-02-09
Thu 12:20 Denver (DEN) 15:52 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A321neo (32Q) 2:32 Effective 2026-02-12 through 2026-03-05
Sat 12:20 Denver (DEN) 15:52 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:32 Effective 2026-02-14 through 2026-02-28
Sun 14:31 Denver (DEN) 18:05 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:34 Operates only on 2026-02-08
Sat 14:41 Denver (DEN) 18:15 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:34 Effective 2026-01-24 through 2026-02-07
Wed 14:47 Denver (DEN) 18:15 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:28 Operates only on 2026-01-07
Wed 14:58 Denver (DEN) 18:36 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A321neo (32Q) 2:38 Operates only on 2026-01-14
Tue 15:58 Denver (DEN) 19:36 Houston George Bush (IAH) A Frontier Airlines F9 3230 Non-stop Airbus A320neo (32N) 2:38 Operates only on 2026-01-13

1 2 3 4 5 6 ... 12 13 14

A domestic route departing from the Denver airport (DEN) and arriving at Houston George Bush airport (IAH).
The flight distance is 861 miles, or 1386 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:20 and 2:43.

Return (IAH-DEN) flights

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All airlines flying from Denver (DEN) to Houston George Bush (IAH).

FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F92996

21:00

Denver (DEN)

00:31(+1)

Houston George Bush (IAH) A

Effective 2026-01-06 through 2026-01-12

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:31, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:00

Denver (DEN)

00:33(+1)

Houston George Bush (IAH) A

Effective 2026-01-15 through 2026-01-22

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 2:33, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:00

Denver (DEN)

00:33(+1)

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:33, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:00

Denver (DEN)

00:33(+1)

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:33, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:00

Denver (DEN)

00:31(+1)

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:31, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:02

Denver (DEN)

00:35(+1)

Houston George Bush (IAH) A

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:33, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:06

Denver (DEN)

00:39(+1)

Houston George Bush (IAH) A

Effective 2026-03-06 through 2026-03-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:33, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:07

Denver (DEN)

00:38(+1)

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F92996

21:07

Denver (DEN)

00:38(+1)

Houston George Bush (IAH) A

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:31, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93206

05:15

Denver (DEN)

08:58

Houston George Bush (IAH) A

Effective 2026-03-06 through 2026-03-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:43, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

06:00

Denver (DEN)

09:30

Houston George Bush (IAH) A

Effective 2026-01-08 through 2026-01-09

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:30, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

06:00

Denver (DEN)

09:30

Houston George Bush (IAH) A

Effective 2026-01-11 through 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

06:00

Denver (DEN)

09:36

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:36, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

06:00

Denver (DEN)

09:36

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

06:00

Denver (DEN)

09:36

Houston George Bush (IAH) A

Effective 2026-02-15 through 2026-02-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:36, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

06:20

Denver (DEN)

09:56

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

06:20

Denver (DEN)

09:56

Houston George Bush (IAH) A

Operates only on 2026-02-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:36, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

06:20

Denver (DEN)

09:56

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

06:30

Denver (DEN)

10:06

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 2:36, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

07:00

Denver (DEN)

10:37

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 2:37, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

07:00

Denver (DEN)

10:37

Houston George Bush (IAH) A

Operates only on 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:37, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

07:00

Denver (DEN)

10:37

Houston George Bush (IAH) A

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:37, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93206

10:45

Denver (DEN)

14:16

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

11:40

Denver (DEN)

15:13

Houston George Bush (IAH) A

Effective 2026-01-20 through 2026-02-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93206

11:40

Denver (DEN)

15:13

Houston George Bush (IAH) A

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:33, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93206

11:42

Denver (DEN)

15:15

Houston George Bush (IAH) A

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93228

14:31

Denver (DEN)

18:05

Houston George Bush (IAH) A

Operates only on 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:34, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93228

15:31

Denver (DEN)

18:58

Houston George Bush (IAH) A

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:27, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93228

15:36

Denver (DEN)

19:14

Houston George Bush (IAH) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93228

16:53

Denver (DEN)

20:19

Houston George Bush (IAH) A

Operates only on 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:26, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93228

17:29

Denver (DEN)

21:00

Houston George Bush (IAH) A

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93228

17:29

Denver (DEN)

21:08

Houston George Bush (IAH) A

Effective 2026-02-13 through 2026-02-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:39, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93228

18:25

Denver (DEN)

22:01

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 2:36, non-stop
Airbus A321 (321)

Direct Flights:

Frontier Airlines F93228

18:45

Denver (DEN)

22:15

Houston George Bush (IAH) A

Effective 2026-01-06 through 2026-01-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:30, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93228

19:15

Denver (DEN)

22:55

Houston George Bush (IAH) A

Effective 2026-01-13 through 2026-01-14

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:40, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93228

19:59

Denver (DEN)

23:39

Houston George Bush (IAH) A

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

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:40, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93228

21:00

Denver (DEN)

00:31(+1)

Houston George Bush (IAH) A

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:31, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93228

21:02

Denver (DEN)

00:35(+1)

Houston George Bush (IAH) A

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:33, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.

Direct Flights:

Frontier Airlines F93230

08:53

Denver (DEN)

12:32

Houston George Bush (IAH) A

Operates only on 2026-02-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:39, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

11:00

Denver (DEN)

14:33

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:33, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93230

12:00

Denver (DEN)

15:32

Houston George Bush (IAH) A

Operates only on 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

12:06

Denver (DEN)

15:38

Houston George Bush (IAH) A

Operates only on 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

12:20

Denver (DEN)

15:52

Houston George Bush (IAH) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93230

12:20

Denver (DEN)

15:52

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93230

12:20

Denver (DEN)

15:52

Houston George Bush (IAH) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

14:31

Denver (DEN)

18:05

Houston George Bush (IAH) A

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:34, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

14:41

Denver (DEN)

18:15

Houston George Bush (IAH) A

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:34, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

14:47

Denver (DEN)

18:15

Houston George Bush (IAH) A

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:28, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F93230

14:58

Denver (DEN)

18:36

Houston George Bush (IAH) A

Operates only on 2026-01-14

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F93230

15:58

Denver (DEN)

19:36

Houston George Bush (IAH) A

Operates only on 2026-01-13

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:38, non-stop
Airbus A320neo (32N)

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A domestic route departing from the Denver airport (DEN) and arriving at Houston George Bush airport (IAH).
The flight distance is 861 miles, or 1386 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:20 and 2:43.

Return (IAH-DEN) flights

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