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Cheap flights from Santa Rosa to Ontario

STS — YYZ
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Santa Rosa to Ontario

Popular in

December

Cheapest in

January

Average price

C$ 697
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Related info for your journey

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

    For a flight from Santa Rosa to Ontario, you will be flying from Sonoma County. Santa Rosa Sonoma County (STS) is just 11.5 km from the centre of the city.

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

    The most popular route from Santa Rosa to Region of Ontario is Santa Rosa Sonoma County - Toronto Pearson Intl. You may also consider Santa Rosa Sonoma County - Montreal Pierre Elliott Trudeau Intl or Santa Rosa Sonoma County - Toronto Region of Waterloo Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Ontario 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 Santa Rosa to Ontario

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Santa Rosa to Ontario. 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 Santa Rosa to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Santa Rosa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Santa Rosa to Ontario flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Santa Rosa to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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