Alaska Airlines expects to begin nonstop flights from Ontario to Santa Rosa in March 2026, local airport officials announced this week.

The daily flights to Charles M. Schulz Sonoma County Airport represent Ontario International Airport ‘s fifth nonstop link to northern California and its 31st nonstop destination. In a news release, ONT officials said service to Santa Rosa will begin March 18, 2026.

The Alaska Airlines announcement comes after ONT earlier this year announced new international flights to Mexico as well as East and Southeast Asia, and domestic flights to Baltimore and Chicago .

“We are thrilled that Alaska Airlines has chosen Ontario International for continued growth in 2026,” Alan D. Wapner, president of the Ontario International Airport Authority board, said in

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