Nonstop flights from Ontario to Houston
Southwest Airlines flies this route daily.
ONTOntario International
1,342 mi · 7 flights a week
HOUHouston William P. Hobby
When they leave
Ontario time10:10a12:30pFirst departure 10:10 AM, last 12:30 PM
Two in the morning, 10:10 AM to 11:00 AM, then one afternoon flight at 12:30 PM.
Every flight
Earliest first
Schedules last checked Sep 21, 2026. Times are local.
Flying from Ontario to Houston
Southwest Airlines is the only airline flying nonstop from Ontario to Houston, daily on the Boeing 737 MAX 8 and Boeing 737.
The first arrival in Houston is at 3:15 PM and the last at 5:35 PM. The flight covers 1,342 miles.
Flying back, Houston to Ontario has 7 nonstop flights a week. From Ontario, George Bush Intercontinental (IAH) is the other Houston area airport with nonstop flights, 14 a week.
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Schedules as of Oct 9, 2026.