Direct flights from Austin to Ontario

  • 7 flights a week
  • Southwest Airlines

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When the nonstops leave

Typical weekly schedule · 7 flights per week · Updated 83d ago

Most leave in the evening.

Morning before noon 0 a week

No nonstop leaves before noon.

Afternoon noon – 6 PM 2 a week

Arrive the same day

2:30 PMTue, Wed
Evening after 6 PM 5 a week

Arrive the same day

7:55 PMSun 8:10 PM4 days a week
Southwest Airlines Arrives Terminal 4

More nonstops from Austin

AUS → SAN San Diego 3 airlines AUS → ABQ Albuquerque 2 airlines AUS → DAL Dallas AUS → ELP El Paso AUS → STL St Louis AUS → BUR Burbank AUS → BWI Baltimore AUS → CHS Charleston ONT → AUS The return trip AUS All nonstops from Austin ONT All nonstops from Ontario

Frequently asked questions

Is there a direct flight from Austin to Ontario?

Yes. Southwest Airlines flies nonstop from Austin (AUS) to Ontario (ONT), daily. The flight takes about 2h 58m and covers 1,195 miles (1,923 km). Schedule data from 28 July 2026.

Which airlines fly direct from Austin to Ontario?

Southwest Airlines operates nonstop flights from Austin to Ontario.

How long is the flight from Austin to Ontario?

The nonstop flight from Austin to Ontario takes ~2h 58m (approximately 1923 km).

How often do direct flights operate from Austin to Ontario?

Nonstop flights from Austin to Ontario operate daily — 7 flights per week.

What days of the week are there direct flights from Austin to Ontario?

Direct flights from Austin to Ontario operate every day of the week.