Direct flights from Ontario to Austin
6 nonstop flights a week on 1 airline. Zero layovers — one hop from ONT to AUS.
Flight time: about 2h37m 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 SWA2803 | 8:38a | 2h31m | Wed |
| Southwest SWA2803 | 8:51a | 2h37m | Tue |
| Southwest SWA3171 | 12:47p | 2h37m | Sun |
| Southwest SWA3171 | 1:17p | 2h24m | Fri |
| Southwest SWA3171 | 1:30p | 2h38m | Mon, Thu |
Southwest
Find fares 🥕
The route
One hop: ONT → AUSDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Ontario (ONT) to Austin (AUS)
Ontario International Airport (ONT) has 6 nonstop flights a week to Austin (AUS), operated by Southwest. No layovers, no connections — one hop out of ONT and you're there.
This route flies on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday — check the schedule grid above before you pick a travel day. Route data updated September 2026 from observed departures.
Route data updated September 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Ontario to Austin?
The nonstop flight from Ontario (ONT) to Austin (AUS) takes about 2h37m in the air, based on recently observed nonstop departures.
How long does it take to drive from Ontario to Austin?
Driving from Ontario to Austin takes about 19h 45m behind the wheel — roughly 1,343 miles, or about 2 days of real driving. The nonstop flight takes about 2h37m.