Direct (nonstop) flights from Oakland to Ontario
1 airline flys nonstop from Metropolitan Oakland International (OAK) to Ontario International Airport (ONT). It's 361 miles (581 km), about 1h 20m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Oakland to Ontario with one stop · direct emits 67 kg CO₂ per passenger
Looking for the return flight?
ONT → OAK: Flights from Ontario to OaklandOther direct flights from Oakland
Direct flights from Ontario (ONT)
Frequently Asked Questions
How long is the direct flight from Oakland to Ontario?
A nonstop flight from Oakland (OAK) to Ontario (ONT) takes approximately 1 hours and 20 minutes. The distance is 361 miles (581 km).
Which airlines fly nonstop from Oakland to Ontario?
Just Southwest Airlines.
Is there a nonstop flight from Oakland to Ontario?
Yes. 1 airline: Southwest Airlines.
How far is Oakland from Ontario?
The flight distance from Oakland to Ontario is 361 miles (581 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Oakland to Ontario?
At 1h 20m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Oakland to Ontario?
Roughly 67 kg CO2 per passenger one-way. That's about the same as driving 335 km.
Is the return flight from Ontario to Oakland also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Oakland to Ontario?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Metropolitan Oakland International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.