San Jose (SJC) → Ontario (ONT)
Southwest Airlines operates nonstop flights from San Jose (SJC) to Ontario (ONT). The nonstop flight takes around ~0h 40m, covering 333 miles (536 km). Updated 31 May 2026.
SJC
→
ONT
Round trip
1 adult
Economy
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Frequently asked questions
Is there a direct flight from San Jose to Ontario?
Yes, Southwest Airlines operates nonstop flights from San Jose (SJC) to Ontario (ONT).
Which airlines fly direct from San Jose to Ontario?
Southwest Airlines operates nonstop flights from San Jose to Ontario.
How long is the flight from San Jose to Ontario?
The nonstop flight from San Jose to Ontario takes ~0h 40m (approximately 536 km).