Nonstop flights from Houston to Ontario
Southwest Airlines flies this route daily.
HOUHouston William P. Hobby
1,342 mi · 7 flights a week
ONTOntario International
When they leave
Houston time8:05a8:50pFirst departure 8:05 AM, last 8:50 PM
Two in the morning, 8:05 AM to 8:25 AM, then one afternoon flight at 12:45 PM, then one evening flight at 8:50 PM.
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Earliest first
Schedules last checked Sep 21, 2026. Times are local.
Flying from Houston to Ontario
Southwest Airlines is the only airline flying nonstop from Houston to Ontario, daily on the Boeing 737 and Boeing 737 MAX 8.
The first arrival in Ontario is at 9:15 AM and the last at 10:05 PM. The flight covers 1,342 miles.
Flying back, Ontario to Houston has 7 nonstop flights a week. George Bush Intercontinental (IAH) also has nonstop flights to Ontario, 11 a week.
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Schedules as of Oct 9, 2026.