How does KAYAK find such low prices on flights from Ontario to Santa Rosa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Santa Rosa. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Santa Rosa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santa Rosa from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Santa Rosa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santa Rosa with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Santa Rosa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santa Rosa from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$221 CHEAP FLIGHTS from Ontario to Santa Rosa

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Flight Deals

Cheap Flights from Ontario to Santa Rosa

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Santa Rosa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Ontario to Santa Rosa

Tue, Sep 23 - Sat, Oct 4

4:45 pm - 7:12 pmYYZ-STS

29h 27m2 stops

2:30 pm - 3:00 pmSTS-YYZ

21h 30m1 stop

$423Alaska Airlines

Find Deal

Mon, Sep 29 - Thu, Oct 9

5:20 pm - 11:55 amYYZ-STS

21h 35m1 stop

4:17 pm - 12:40 pmSTS-YYZ

17h 23m2 stops

$465American Airlines

Find Deal

Tue, Sep 23 - Fri, Oct 10

6:49 am - 11:55 amYYZ-STS

8h 06m1 stop

12:31 pm - 12:40 pmSTS-YYZ

21h 09m1 stop

$502American Airlines

Find Deal

Tue, Sep 23 - Tue, Oct 7

4:45 pm - 1:36 pmYYZ-STS

23h 51m1 stop

2:30 pm - 3:00 pmSTS-YYZ

21h 30m1 stop

$526Alaska Airlines

Find Deal

Fri, Sep 26 - Mon, Oct 6

5:20 pm - 11:55 amYYZ-STS

21h 35m1 stop

12:31 pm - 12:40 pmSTS-YYZ

21h 09m1 stop

$540American Airlines

Find Deal

Sun, Sep 28 - Sat, Oct 4

6:49 am - 11:55 amYYZ-STS

8h 06m1 stop

12:25 pm - 12:30 pmSTS-YYZ

21h 05m1 stop

$546American Airlines

Find Deal

Fri, Oct 17 - Sun, Oct 26

5:24 pm - 12:01 pmYYZ-STS

21h 37m1 stop

4:17 pm - 10:19 amSTS-YYZ

15h 02m2 stops

$567American Airlines

Find Deal

Sun, Sep 28 - Fri, Oct 10

6:49 am - 11:55 amYYZ-STS

8h 06m1 stop

12:31 pm - 12:40 pmSTS-YYZ

21h 09m1 stop

$583American Airlines

Find Deal

Fri, Sep 26 - Wed, Oct 8

5:20 pm - 11:55 amYYZ-STS

21h 35m1 stop

12:31 pm - 12:40 pmSTS-YYZ

21h 09m1 stop

$660American Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 7

6:49 am - 11:55 amYYZ-STS

8h 06m1 stop

12:31 pm - 10:45 pmSTS-YYZ

7h 14m1 stop

$665American Airlines

Find Deal

Cheapest round-trip

$423

Alaska Airlines

Tue 9/23Sat 10/4

YYZ - STS • 2 stops

Cheapest one-way

$221

Alaska Airlines

Tue 11/4

YYZ - STS • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Santa Rosa!

Useful Info

Cheapest flight	$221

Flight from Toronto to Santa Rosa

How does KAYAK find such low prices on flights from Ontario to Santa Rosa?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Santa Rosa.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Santa Rosa?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santa Rosa from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Santa Rosa?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santa Rosa with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Santa Rosa?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santa Rosa from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Santa Rosa

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Santa Rosa

Santa Rosa (STS)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$221 Find Cheap Flights from Ontario to Santa Rosa

KAYAK searches hundreds of travel sites at once for deals on flights to Santa Rosa

Cheap Flights from Ontario to Santa Rosa

Recent round-trip flight deals from Ontario to Santa Rosa

Recent one-way flight deals from Ontario to Santa Rosa

Everything you should know

Good to know

FAQs for booking flights from Ontario to Santa Rosa

How does KAYAK find such low prices on flights from Ontario to Santa Rosa?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Santa Rosa.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Santa Rosa?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santa Rosa from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Santa Rosa?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Santa Rosa with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Santa Rosa?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Santa Rosa from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Santa Rosa

Information on the airport you'll fly into in Santa Rosa

Cabin class types available on flights to Ontario

Complete your trip to Santa Rosa with a hotel stay or car rental

Find direct flights for Santa Rosa

Flights to other popular destinations

Flights from domestic origins to Santa Rosa

Choose which airport to fly into in Santa Rosa

Find deals for your return flight