ONT Announces Ontario to Sonoma County aboard Alaska Air beginning March 2026

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

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