Direct flights from Oakland to Ontario OAK → ONT
Southwest Airlines flies nonstop from Oakland (OAK) to Ontario (ONT), several times daily. The flight takes about 1h 15m and covers 362 miles (582 km). Arrivals run on time 78.2% at OAK and 78.9% at ONT — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 30 July 2026.
🔔 Watch OAK → ONT
We'll run this search daily and email you the cheapest direct fares we find.
Free · checked daily · one-click unsubscribe
Southwest Airlines
WN
Departure Schedule typical week
Typical weekly schedule · 28 flights per week (~4 per day) · Updated 31d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from Oakland to Ontario?
Yes, Southwest Airlines operates nonstop flights from Oakland (OAK) to Ontario (ONT).
Which airlines fly direct from Oakland to Ontario?
Southwest Airlines operates nonstop flights from Oakland to Ontario.
How long is the flight from Oakland to Ontario?
The nonstop flight from Oakland to Ontario takes ~1h 15m (approximately 582 km).
How often do direct flights operate from Oakland to Ontario?
Nonstop flights from Oakland to Ontario operate multiple daily — 28 flights per week (~4 per day).
What is the on-time performance for flights from Oakland to Ontario?
Arrivals run on time 78.2% at OAK and 78.9% at ONT — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Oakland to Ontario?
Direct flights from Oakland to Ontario operate every day of the week.
Explore More
Scout — our search agent — hunts nonstop fares from Oakland every night and pings you when one's worth booking.
Watch it work →