Cheap Flights from Ontario International Airport to Santa Rosa (STS) Find and Compare the Best Airline Deals | Skyticket

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2025/11
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Total Fares（Round-Trip/Economy）: USD /Per Person

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Ontario－Charles M. Schulz–Sonoma County Airport
November Lowest Airfares
USD418

The airfare displayed above is for Alaska Airlines

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Ontario－Charles M. Schulz–Sonoma County Airport
December Lowest Airfares -----

Ontario－Charles M. Schulz–Sonoma County Airport
January Lowest Airfares -----
Ontario－Charles M. Schulz–Sonoma County Airport
February Lowest Airfares
USD427

The airfare displayed above is for Alaska Airlines

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Ontario－Charles M. Schulz–Sonoma County Airport
March Lowest Airfares -----

Ontario－Santa Rosa
Estimated Flight Time
3 Hours 58 Minutes
Ontario－Santa Rosa
Number of Operating Airlines
4

Operating Airlines for Ontario－Charles M. Schulz–Sonoma County Airport Route
American Airlines

Alaska Airlines

Delta Air Lines

United Airlines

Other Destinations from:Ontario

Ontario－State College(University Park)
USD581〜
* Fares vary in accordance to seat availability
Other Departures to: Santa Rosa
* Fares vary in accordance to seat availability