Nonstop flights from Houston to Ontario
2 airlines fly this route, with up to 2 flights a day.
IAHHouston George Bush Intercontinental
1,331 mi · 11 flights a week
ONTOntario International
When they leave
Houston time6:10a8:30pFirst departure 6:10 AM, last 8:30 PM
One morning flight at 6:10 AM, then one afternoon flight at 4:47 PM, then one evening flight at 8:30 PM.
Every flight
Earliest first
Schedules last checked Sep 22, 2026. Times are local.
Flying from Houston to Ontario
Frontier Airlines flies most often, daily on the Airbus A320neo. United Airlines flies 4 times a week on the Boeing 737.
There are 1 or 2 flights every day of the week. The first arrival in Ontario is at 7:32 AM and the last at 9:59 PM. The flight covers 1,331 miles.
Frontier Airlines flies it until Nov 30.
Flying back, Ontario to Houston has 14 nonstop flights a week. William P. Hobby (HOU) also has nonstop flights to Ontario, 7 a week.
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Find the cheapest day to fly from Houston to Ontario.
Schedules as of Oct 9, 2026.