Airlines with flights from Denver to Houston

There are three airlines with scheduled flights between DEN and IAH. Both United and Frontier operates non-stop flights from Denver International to Houston Airport and the flight time is 2 hours and 31 minutes.

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Schedules

United Airlines

Non-stop with United Airlines

  • Total flight time: 2 hours and 31 minutes
  • Denver and Houston are both United Airlines hubs.
  • 82 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 757-300 Passenger
  • Business and first class available
DEN
Direct
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA320
05:00
05:00
05:00
05:00
05:00
05:00
05:00
UA1720
07:42
07:42
07:42
07:42
07:42
07:42
07:42
UA2841
10:07
10:07
10:07
10:07
10:07
10:07
10:07
UA1599
11:34
11:34
11:34
11:34
11:34
11:34
11:34
UA1829
13:30
13:30
13:30
13:30
13:30
13:30
13:30
UA489
15:35
15:35
15:35
15:35
15:35
15:35
15:35
UA588
16:20
16:20
16:20
16:20
16:20
16:20
16:20
UA1585
17:18
17:18
17:18
17:18
17:18
17:18
17:18
UA2018
18:05
18:05
18:05
18:05
18:05
18:05
18:05
UA475
19:35
19:35
19:35
19:35
19:35
19:35
19:35
UA2419
20:28
20:28
20:28
20:28
20:28
----
20:28
UA1253
21:10
----
21:10
21:10
21:10
20:37
21:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2026-04-21

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 2 hours and 38 minutes
  • Low-cost airline
  • Denver is a Frontier Airlines focus city (Operating base).
  • 21 flights per week
  • Airbus A321neo
    Airbus A320neo
DEN
Direct
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
F93206
07:00
07:00
07:00
07:00
07:00
07:00
07:00
F93228
17:29
----
----
17:29
17:29
----
17:29
F92996
21:06
21:06
21:06
21:06
21:06
21:06
21:06
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Dallas with American Airlines

  • Total flight time: 3h 48m - 6h 19m.
  • One World Alliance
  • 242 flights per week
DEN
 
Via DFW
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA2612
AA3591
05:00
05:00
05:00
05:00
05:00
05:00
05:00
AA2078
AA2512
06:22
----
06:22
06:22
06:22
06:22
06:22
AA2078
AA3533
----
06:22
----
----
----
----
----
AA1090
AA2512
07:13
----
07:13
07:13
07:13
07:13
07:13
AA1090
AA3533
----
07:13
----
----
----
----
----
AA1523
AA3583
08:58
08:58
08:58
08:58
08:58
08:58
08:58
AA1756
AA3583
10:38
10:38
10:38
10:38
10:38
10:24
10:38
AA2359
AA4923
----
----
----
12:39
----
----
AA2359
AA1929
12:39
12:39
----
12:39
12:39
----
12:39
AA2359
AA3555
----
----
12:39
----
----
----
----
AA420
AA2209
15:11
15:11
15:11
15:11
15:11
15:11
15:11
AA1832
AA2209
16:25
----
----
----
----
----
16:25
AA1322
AA1914
18:10
----
----
18:10
18:10
18:10
18:10
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Austin with United Airlines

  • Total flight time: 3h 49m - 6h 20m.
  • Denver and Houston are both United Airlines hubs.
  • 96 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 757-300 Passenger
DEN
 
Via AUS
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA456
UA1747
08:00
08:00
08:00
08:00
08:00
08:00
08:00
UA1026
UA334
10:05
10:05
10:05
10:05
10:05
----
10:05
UA2270
UA1326
13:48
13:48
13:48
13:48
13:48
13:44
13:48
UA1899
UA1871
15:35
15:35
15:35
15:35
15:35
----
15:35
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Dallas with United Airlines

  • Total flight time: 3h 58m - 6h 22m.
  • Denver and Houston are both United Airlines hubs.
  • 97 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 757-300 Passenger
DEN
 
Via DFW
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA2160
UA539
07:32
07:32
07:32
07:32
07:32
----
07:32
UA1350
UA3985
09:40
09:40
09:40
09:40
09:40
----
09:40
UA578
UA4007
----
----
----
----
----
13:35
13:45
UA578
UA1609
13:45
13:45
13:45
13:45
13:45
----
----
UA414
UA2114
15:42
----
15:42
15:42
15:42
----
15:42
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Abilene with United Airlines

  • Total flight time: 4h 05m - 4h 25m.
  • Denver and Houston are both United Airlines hubs.
  • 7 flights per week
  • Boeing 737-900 Passenger
    Airbus A321neo
    Boeing 757-300 Passenger
DEN
 
Via ABI
 
IAH
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA6057
UA5068
08:15
08:15
08:15
08:15
08:15
08:15
08:15
SHOW RETURN SCHEDULE
CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2026-04-21

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At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-02
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