Direct flights from Houston to Ontario
10 nonstop flights a week on 2 airlines. Zero layovers — one hop from IAH to ONT.
Flight time: about 3h1m nonstop
Which days does it fly?
When does it fly?
Departure times in Houston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Frontier FFT3131 | 4:27p | 3h4m | Mon, Fri, Sun |
| Frontier FFT3131 | 4:50p | 3h31m | Thu |
| United UAL1563 | 8:41p | 3h1m | Sat |
| United UAL1563 | 8:48p | 2h59m | Wed, Fri |
| United UAL1563 | 9:09p | 3h2m | Sun |
| United UAL1563 | 10:25p | 2h53m | Thu |
| United UAL1563 | 11:25p | 2h52m | Mon |
UnitedThe route
One hop: IAH → ONTDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to Ontario (ONT)
George Bush Intercontinental Airport (IAH) has 10 nonstop flights a week to Ontario (ONT), operated by Frontier and United. No layovers, no connections — one hop out of IAH and you're there.
This route flies on Monday, Wednesday, Thursday, Friday, Saturday and Sunday — check the schedule grid above before you pick a travel day. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Houston to Ontario?
The nonstop flight from Houston (IAH) to Ontario (ONT) takes about 3h1m in the air, based on recently observed nonstop departures.
How long does it take to drive from Houston to Ontario?
Driving from Houston to Ontario takes about 21h 46m behind the wheel — roughly 1,512 miles, or about 2 days of real driving. The nonstop flight takes about 3h1m.