Service to Charles M. Schulz Sonoma County Airport to be ONT's 31 st nonstop destination

ONTARIO, Calif. , Oct. 24, 2025 /PRNewswire/ -- Ontario International Airport (ONT) officials welcomed news that Alaska Air Group will begin service to Charles M. Schulz Sonoma County Airport (STS) in Santa Rosa, becoming the Southern California gateway's fifth nonstop link to Northern California. The daily nonstop service will begin March 18, 2026, when STS will become ONT's 31st nonstop destination.

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