Direct flights from Chicago to Houston
All flights from ORD to IAH non-stop. There are direct flights from Chicago O Hare International (ORD), Illinois, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines, American Airlines and Frontier Airlines. 126 weekly departures are currently scheduled on this route. Departure times range from 00:01 to 22:15 depending on the schedule period. The flight distance is 930 miles (1496 km). Flight time ranges from 2 hours and 40 minutes to 3 hours and 17 minutes.
Chicago
, USA
Airlines with non-stop routes:
United Airlines
American Airlines
Frontier Airlines
Aer Lingus
Spirit Airlines
Flight schedule from Chicago 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 2026-08-24
Flight schedule from Chicago to Houston with American Airlines
This is a weekly direct flight schedule for American 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 2026-08-24
Flight schedule from Chicago 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 2026-08-24
Chicago to Houston scheduled departures
Select a date to see every published non-stop departure between ORD and IAH.
ORD - IAH route facts
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Distance930 miles (1496 km)
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Flight time2 hours and 40 minutes to 3 hours and 17 minutes
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Airlines United American Airlines Frontier
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Airline alliancesStar Alliance oneworld Low-cost carrier
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CabinsEconomy Premium Economy Business First
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Hub airportsUnited Airlines: IAH and ORD (Largest hub.)American Airlines: ORD
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Departure terminalsUnited Airlines: Terminal 1American Airlines: Terminal 3Frontier Airlines: Terminal 5
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Arrival terminalsUnited Airlines: Terminal CAmerican Airlines: Terminal AFrontier Airlines: Terminal A
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AircraftUnited Airlines: Boeing 737MAX 9 Passenger, Airbus A321neo, Boeing 737-900 Passenger and Boeing 757-300 PassengerAmerican Airlines: Boeing 737-800 Passenger, Embraer 170, Embraer 175 and Airbus A319Frontier Airlines: Airbus A320neo and Airbus A321neo
Route FAQ
Direct flights from Chicago to TX, USA
From Chicago to El Paso
ELP El Paso International Airport
From Chicago to Harlingen
HRL Valley International
From Chicago to San Antonio
SAT San Antonio International
From Chicago to Austin
AUS Austin-Bergstrom International Airport
From Chicago to Dallas
DFW Dallas Fort Worth International
