Airlines with flights from Denver to Houston

There are three airlines with scheduled flights between DEN and IAH. Both United and Frontier Airlines operates non-stop flights from Denver International to Houston Airport and the flight time is 2 hours and 29 minutes.

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Non-stop

2h 29min

Non-stop

2h 33min

Via Dallas

4h 40min

Via Dallas

4h 49min

Via Austin

4h 27min

Via New Orleans

6h 11min

Via San Antonio

4h 29min

Via Midland

6h 0min

Via Albuquerque

5h 10min

Via El Paso

4h 45min

Via Kansas City

6h 11min

Via Omaha

6h 38min

Via Springfield

6h 27min

Via Memphis

5h 34min

Starts 26/06

Via Des Moines

6h 26min

Starts 01/05

Via Lubbock

3h 59min

Via Dallas

5h 45min

Starts 22/05

Via Saint Louis

5h 55min

Starts 08/03

Via Santa Fe

5h 0min

Starts 01/05

Via Amarillo

5h 56min

Via Tulsa

5h 15min

Via Wichita

3h 59min

NEW Starts 08/03

Via Gunnison

5h 0min

NEW Starts 22/05

Via Rapid City

10h 46min

Schedules

Non-stop with United Airlines

Total flight time: 2 hours and 29 minutes
Denver and Houston are both United Airlines hubs.

70 flights per week
A321neo

Boeing 737-800 Passenger

Boeing 737MAX 9 Passenger

Boeing 777

Boeing 737-900 Passenger

Boeing 757-300 Passenger
Business and first class available

DEN

Direct

IAH

Flight

Mon

Feb 10

Tue

Feb 11

Wed

Feb 12

Thu

Feb 13

Fri

Feb 14

Sat

Feb 15

Sun

Feb 16

UA320

05:00

UA1720

07:45

UA2676

09:40

UA738

11:15

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UA350

----

11:45

UA514

12:45

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UA271

13:45

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UA316

----

13:55

UA489

15:40

UA726

17:20

UA1894

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17:50

17:45

17:50

UA475

19:16

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UA312

----

19:30

UA2419

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20:30

UA2179

20:33

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The timetable & schedule information was updated at 2025-01-15

Non-stop with Frontier Airlines

Total flight time: 2 hours and 33 minutes
Low-cost airline
Denver is a Frontier Airlines focus city.

14 flights per week
A321neo

Airbus A320neo

DEN

Direct

IAH

Flight

Mon

Feb 10

Tue

Feb 11

Wed

Feb 12

Thu

Feb 13

Fri

Feb 14

Sat

Feb 15

Sun

Feb 16

F93206

08:43

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15:37

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F94856

20:01

17:02

17:37

17:44

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17:37

F93230

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20:47

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The timetable & schedule information was updated at 2025-01-15

Via Dallas with American Airlines

Total flight time: 3h 46m - 6h 25m.
One World Alliance

53 flights per week

DEN

Via DFW

IAH

Flight

Mon

Feb 10

Tue

Feb 11

Wed

Feb 12

Thu

Feb 13

Fri

Feb 14

Sat

Feb 15

Sun

Feb 16

AA2612
AA1472

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05:00

----

05:00

AA2078
AA1472

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06:01

06:00

AA852
AA3390

----

08:00

AA852
AA3283

08:05

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AA1244
AA3816

09:15

09:26

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AA2357
AA2438

10:24

10:30

----

10:30

AA2357
AA3816

10:24

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10:30

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AA2359
AA3816

----

12:32

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AA2359
AA4025

12:40

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AA420
AA1865

14:46

14:39

AA1832
AA2209

16:55

17:03

16:47

17:03

AA1832
AA3255

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17:03

16:47

17:03

AA1832
AA650

16:55

17:03

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17:03

AA1322
AA650

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18:45

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18:45

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CHECK PRICES FOR DEN - IAH

The timetable & schedule information was updated at 2025-01-15

Via Dallas with United Airlines

Total flight time: 3h 56m - 6h 20m.
Denver and Houston are both United Airlines hubs.

19 flights per week
A321neo

Boeing 737-800 Passenger

Boeing 737MAX 9 Passenger

Boeing 777

Boeing 737-900 Passenger

Boeing 757-300 Passenger

DEN

Via DFW

IAH

Flight

Mon

Feb 10

Tue

Feb 11

Wed

Feb 12

Thu

Feb 13

Fri

Feb 14

Sat

Feb 15

Sun

Feb 16

UA456
UA669

07:45

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08:15

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08:15

UA1580
UA2858