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United States
Ontario International Airport
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United States
George Bush Intercontinental Airport
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Scan through all non-stop flights from Ontario to Houston. The full flight schedule below gives an overview of all non-stop flights from ONT to IAH, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Houston is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Houston any time of the year, but the best months to explore are from to and from to .
In total there are 2 airlines operating nonstop flights from Ontario ONT to Houston IAH. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their ONT IAH flight schedule.
Departure times vary between 05:45 - 20:06. The earliest flight departs at 05:45, the last flight departs at 20:06. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Ontario to Houston takes 3 hours and 19 minutes. The flight distance between Ontario and Houston is 1,330 miles (or 2,140 km).
There are 2 airports in Houston: George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).
There are 0 flights per week flying from Ontario to Houston (as of March 2026).
3 hours and 19 minutes is the average flight time from Ontario to Houston.
The distance from Ontario to Houston is 1,330 miles (2,140 kilometers).
Frontier Airlines and United Airlines are flying nonstop from Ontario to Houston.
Star Alliance is currently the only alliance flying nonstop from Ontario to Houston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Ontario to Houston:
The earliest flight departs at 05:45 from Ontario and arrives at 11:04 at Houston.
The latest flight departs at 20:06 from Ontario and arrives at 01:25 at Houston.
1,330 miles (2,140 km) · 3h 19m
06:05
11:15
United Airlines
Star Alliance
UA 1936
United Airlines
Boeing 737-900
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