Direct flights from Denver to Houston
All flights from DEN to IAH non-stop. There are direct flights from Denver International (DEN), Colorado, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines and Frontier Airlines. 104 weekly departures are currently scheduled on this route. Departure times range from 05:00 to 23:58 depending on the schedule period. The flight distance is 866 miles (1393 km). Flight time ranges from 2 hours and 19 minutes to 2 hours and 42 minutes.
Denver
, USA
Airlines with non-stop routes:
United Airlines
Frontier Airlines
Southwest Airlines
Spirit Airlines
Flight schedule from Denver to Houston with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-09-21
Flight schedule from Denver to Houston with Frontier Airlines
This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-09-21
Denver to Houston scheduled departures
Select a date to see every published non-stop departure between DEN and IAH.
DEN - IAH route facts
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Distance866 miles (1393 km)
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Flight time2 hours and 19 minutes to 2 hours and 42 minutes
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Airlines United Frontier
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Airline alliancesStar Alliance Low-cost carrier
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CabinsEconomy Premium Economy Business First
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Hub airportsUnited Airlines: DEN and IAH
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Arrival terminalsUnited Airlines: Terminal CFrontier Airlines: Terminal A
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AircraftUnited Airlines: Boeing 737MAX 9 Passenger, Airbus A321neo, Boeing 737-900 Passenger, Boeing 757-300 Passenger and Boeing 777Frontier Airlines: Airbus A321, Airbus A320neo, Airbus A321neo and Airbus A320
Route FAQ
Direct flights from Denver to TX, USA
From Denver to Houston
HOU William P. Hobby Airport
From Denver to Austin
AUS Austin-Bergstrom International Airport
From Denver to San Antonio
SAT San Antonio International
From Denver to Dallas
DFW Dallas Fort Worth International
From Denver to Abilene
ABI Abilene Rgnl
From Denver to Dallas
DAL Dallas Love Fld
From Denver to El Paso
ELP El Paso International Airport
From Denver to Midland
MAF Midland International
From Denver to Lubbock
LBB Lubbock International
From Denver to Amarillo
AMA Amarillo International
