Direct flights from Ontario to Oakland ONT → OAK
Southwest Airlines flies nonstop from Ontario (ONT) to Oakland (OAK), several times daily. The flight takes about 1h 15m and covers 362 miles (582 km). Arrivals run on time 78.9% at ONT and 78.2% at OAK — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Schedule data from 28 July 2026.
🔔 Watch ONT → OAK
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 33d ago
Southwest Airlines
Frequently asked questions
Is there a direct flight from Ontario to Oakland?
Yes, Southwest Airlines operates nonstop flights from Ontario (ONT) to Oakland (OAK).
Which airlines fly direct from Ontario to Oakland?
Southwest Airlines operates nonstop flights from Ontario to Oakland.
How long is the flight from Ontario to Oakland?
The nonstop flight from Ontario to Oakland takes ~1h 15m (approximately 582 km).
How often do direct flights operate from Ontario to Oakland?
Nonstop flights from Ontario to Oakland operate multiple daily — 28 flights per week (~4 per day).
What is the on-time performance for flights from Ontario to Oakland?
Arrivals run on time 78.9% at ONT and 78.2% at OAK — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Ontario to Oakland?
Direct flights from Ontario to Oakland operate every day of the week.
Explore More
Scout — our search agent — hunts nonstop fares from Ontario every night and pings you when one's worth booking.
Watch it work →