Nonstop flights from Ontario to Houston
2 airlines fly this route, with up to 2 flights a day.
ONTOntario International
1,331 mi · 14 flights a week
IAHHouston George Bush Intercontinental
When they leave
Ontario time5:45a9:36aFirst departure 5:45 AM, last 9:36 AM
Two in the morning, 5:45 AM to 9:36 AM. Every flight runs daily.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Ontario to Houston
Frontier Airlines flies daily on the Airbus A321neo. United Airlines flies daily on the Boeing 737.
There are 2 flights every day of the week. The first arrival in Houston is at 11:04 AM and the last at 2:56 PM. The flight covers 1,331 miles.
Frontier Airlines flies it until Nov 30.
Flying back, Houston to Ontario has 11 nonstop flights a week. From Ontario, William P. Hobby (HOU) is the other Houston area airport with nonstop flights, 7 a week.
Return flights
Every Houston airport
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Find the cheapest day to fly from Ontario to Houston.
Schedules as of Oct 9, 2026.