Santa Rosa (STS) → Ontario (ONT)
Alaska Airlines operates nonstop flights from Santa Rosa (STS) to Ontario (ONT). The nonstop flight takes around ~0h 51m, covering 423 miles (681 km). Updated 29 May 2026.
STS
→
ONT
Round trip
1 adult
Economy
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Frequently asked questions
Is there a direct flight from Santa Rosa to Ontario?
Yes, Alaska Airlines operates nonstop flights from Santa Rosa (STS) to Ontario (ONT).
Which airlines fly direct from Santa Rosa to Ontario?
Alaska Airlines operates nonstop flights from Santa Rosa to Ontario.
How long is the flight from Santa Rosa to Ontario?
The nonstop flight from Santa Rosa to Ontario takes ~0h 51m (approximately 681 km).