Direct flights from Houston to Chicago
All flights from IAH to ORD non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to Chicago O Hare International (ORD), Illinois, USA with United Airlines, American Airlines and Frontier Airlines. 126 weekly departures are currently scheduled on this route. Departure times range from 05:00 to 23:55 depending on the schedule period. The flight distance is 930 miles (1496 km). Flight time ranges from 2 hours and 30 minutes to 3 hours and 24 minutes.
Houston
, USA
Airlines with non-stop routes:
United Airlines
American Airlines
Frontier Airlines
Spirit Airlines
Aer Lingus
Flight schedule from Houston to Chicago 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 Houston to Chicago 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 Houston to Chicago 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
Houston to Chicago scheduled departures
Select a date to see every published non-stop departure between IAH and ORD.
IAH - ORD route facts
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Distance930 miles (1496 km)
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Flight time2 hours and 30 minutes to 3 hours and 24 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 CAmerican Airlines: Terminal AFrontier Airlines: Terminal A
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Arrival terminalsUnited Airlines: Terminal 1American Airlines: Terminal 3Frontier Airlines: Terminal 5
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AircraftUnited Airlines: Boeing 737MAX 9 Passenger, Boeing 737-900 Passenger, Airbus A321neo, Boeing 737-800 Passenger and Boeing 757-300 PassengerAmerican Airlines: Boeing 737-800 Passenger, Airbus A319, Embraer 175 and Embraer 170Frontier Airlines: Airbus A320neo and Airbus A321neo
