Direct (nonstop) flights from Sacramento to Ontario
1 airline flys nonstop from Sacramento International (SMF) to Ontario International Airport (ONT). It's 389 miles (626 km), about 1h 20m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Sacramento to Ontario with one stop · direct emits 72 kg CO₂ per passenger
Looking for the return flight?
ONT → SMF: Flights from Ontario to SacramentoOther direct flights from Sacramento
Direct flights from Ontario (ONT)
Frequently Asked Questions
How long is the direct flight from Sacramento to Ontario?
A nonstop flight from Sacramento (SMF) to Ontario (ONT) takes approximately 1 hours and 20 minutes. The distance is 389 miles (626 km).
Which airlines fly nonstop from Sacramento to Ontario?
Just Southwest Airlines.
Is there a nonstop flight from Sacramento to Ontario?
Yes. 1 airline: Southwest Airlines.
How far is Sacramento from Ontario?
The flight distance from Sacramento to Ontario is 389 miles (626 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 Sacramento 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 Sacramento to Ontario?
Roughly 72 kg CO2 per passenger one-way. That's about the same as driving 360 km.
Is the return flight from Ontario to Sacramento 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 Sacramento 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 Sacramento International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.