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Cheap flights from Ontario to Santa Rosa

YYZ — STS
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Santa Rosa

Popular in

July

Cheapest in

January

Average price

C$ 545
Highest demand for flights based on searches. 10% potential increase in price (C$ 101 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Related info for your journey

  • What airport do you fly into for flights to Santa Rosa from Ontario?

    Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from Ontario to Santa Rosa. It is only a 11.5 km journey from Sonoma County (STS) to Santa Rosa’s city centre.

  • What are the most popular routes from Region of Ontario to Santa Rosa?

    When deciding which route to take from Region of Ontario to Santa Rosa consider Toronto Pearson Intl - Santa Rosa Sonoma County, London - Santa Rosa Sonoma County or Hamilton - Santa Rosa Sonoma County as they are the most popular.

  • Can I find deals for flights from Ontario to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Ontario to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Santa Rosa.

  • Can I find deals for business class flights from Ontario to Santa Rosa?

    Yes. Cheapflights offers flight deals from Ontario to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Ontario to Santa Rosa

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Vancouver Intl to Santa Ana flights
Edmonton to Los Angeles flights
Hamilton to Las Vegas flights
Pearson Intl to Burbank flights
Calgary to San Francisco flights
Vancouver Intl to Oakland flights
Abbotsford to Ontario flights
Pearson Intl to Palm Springs flights
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Pearson Intl to San Jose flights
Toronto Island to San Diego flights
Pierre Elliott Trudeau Intl to San Diego flights
Hamilton to San Francisco flights
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Calgary to San Diego flights
Hamilton to Los Angeles flights
Calgary to Palm Springs flights
Pierre Elliott Trudeau Intl to Ontario flights
Pearson Intl to Santa Ana flights
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How does Cheapflights help users find flights from Ontario to Santa Rosa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Santa Rosa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Santa Rosa?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Santa Rosa for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Santa Rosa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Santa Rosa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Santa Rosa become cheaper?

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