Direct flights from Ontario to Houston
7 nonstop flights a week on 1 airline. Zero layovers — one hop from ONT to HOU.
Flight time: about 2h46m nonstop
Which days does it fly?
When does it fly?
Departure times in Ontario local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA4868 | 9:48a | 2h46m | Fri |
| Southwest SWA4868 | 10:03a | 2h47m | Thu |
| Southwest SWA4868 | 10:07a | 2h46m | Mon |
| Southwest SWA3062 | 11:53a | 2h46m | Sat |
| Southwest SWA4868 | 1:27p | 2h49m | Tue |
| Southwest SWA4868 | 1:36p | 2h51m | Wed |
| Southwest SWA716 | 2:54p | 2h46m | Sun |
Southwest
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The route
One hop: ONT → HOUDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Ontario (ONT) to Houston (HOU)
Ontario International Airport (ONT) has 7 nonstop flights a week to Houston (HOU), operated by Southwest. No layovers, no connections — one hop out of ONT and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Ontario to Houston?
The nonstop flight from Ontario (ONT) to Houston (HOU) takes about 2h46m in the air, based on recently observed nonstop departures.
How long does it take to drive from Ontario to Houston?
Driving from Ontario to Houston takes about 21h 46m behind the wheel — roughly 1,512 miles, or about 2 days of real driving. The nonstop flight takes about 2h46m.