When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Ontario?

Prices for flights from Santa Rosa Sonoma County Airport to Ontario are refreshed on a daily basis.

How old do you have to be to fly from Santa Rosa Sonoma County Airport to Ontario?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 380 Cheap Flights from Santa Rosa to Ontario in 2026

Find the cheapest flights from Santa Rosa to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:37 a.m. - 12:55 a.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

12h 18m2 stops Palm Springs Calgary

7:00 a.m. - 4:12 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

12h 12m1 stop Las Vegas Harry Reid Intl

C$ 707Multiple Airlines

Sun, 25 Oct - Sat, 31 Oct

2:00 p.m. - 9:50 p.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

28h 50m1 stop Las Vegas Harry Reid Intl

11:30 a.m. - 4:12 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

31h 42m1 stop Las Vegas Harry Reid Intl

C$ 710Multiple Airlines

Mon, 26 Oct - Fri, 30 Oct

6:19 a.m. - 6:00 a.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

20h 41m2 stops San Diego Calgary

11:30 a.m. - 4:12 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

31h 42m1 stop Las Vegas Harry Reid Intl

C$ 718Multiple Airlines

Mon, 26 Oct - Fri, 30 Oct

7:00 a.m. - 9:18 p.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

11h 18m1 stop Los Angeles

7:00 a.m. - 4:12 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

12h 12m1 stop Las Vegas Harry Reid Intl

C$ 759Multiple Airlines

Sun, 25 Oct - Sat, 31 Oct

1:53 p.m. - 6:50 a.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

13h 57m1 stop Las Vegas Harry Reid Intl

8:30 p.m. - 3:56 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

22h 26m1 stop Las Vegas Harry Reid Intl

C$ 784Multiple Airlines

Tue, 5 Jan - Sun, 10 Jan

1:10 p.m. - 11:44 a.m.STS Santa Rosa Sonoma County-YUL Montreal Pierre Elliott Trudeau Intl

19h 34m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

5:34 p.m. - 1:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STS Santa Rosa Sonoma County

23h 14m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

C$ 796American Airlines

Sat, 24 Oct - Sat, 31 Oct

1:53 p.m. - 6:50 a.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

13h 57m1 stop Las Vegas Harry Reid Intl

6:00 a.m. - 10:57 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

19h 57m2 stops Calgary San Diego

C$ 799Multiple Airlines

Tue, 5 Jan - Sun, 10 Jan

7:00 a.m. - 9:18 p.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

11h 18m1 stop Los Angeles

10:50 p.m. - 4:29 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

44h 39m2 stops Winnipeg Las Vegas Harry Reid Intl

C$ 847Multiple Airlines

Sun, 25 Oct - Sun, 1 Nov

4:11 p.m. - 10:59 a.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

15h 48m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

6:46 a.m. - 3:53 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

12h 07m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

C$ 875American Airlines

Mon, 26 Oct - Fri, 30 Oct

2:00 p.m. - 6:39 a.m.STS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

13h 39m1 stop Las Vegas Harry Reid Intl

8:35 p.m. - 4:12 p.m.YYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

22h 37m1 stop Las Vegas Harry Reid Intl

C$ 924Multiple Airlines

Fri, 9 Oct - Sun, 11 Oct

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Alaska Airlines flights from Santa Rosa to Region of Ontario

Our best Alaska Airlines deals on Santa Rosa to Region of Ontario flight tickets

Alaska Airlines

25 Oct

STS8:07 a.m.Santa Rosa Sonoma County

28h 58m

2 stops

YYZ4:05 p.m.Toronto Pearson Intl

31 Oct

YYZ5:15 p.m.Toronto Pearson Intl

19h 57m

2 stops

STS10:12 a.m.Santa Rosa Sonoma County

C$ 942

Alaska Airlines

12 Oct

STS7:00 a.m.Santa Rosa Sonoma County

29h 45m

1 stop

YYZ3:45 p.m.Toronto Pearson Intl

16 Oct

YYZ4:55 p.m.Toronto Pearson Intl

23h 11m

1 stop

STS1:06 p.m.Santa Rosa Sonoma County

C$ 1,000

Alaska Airlines

12 Oct

STS7:00 a.m.Santa Rosa Sonoma County

29h 45m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

16 Oct

YYZ4:55 p.m.Toronto Pearson Intl

20h 04m

2 stops

STS9:59 a.m.Santa Rosa Sonoma County

C$ 1,021

American Airlines flights from Santa Rosa to Region of Ontario

Our best American Airlines deals on Santa Rosa to Region of Ontario flight tickets

American Airlines

24 Oct

STS1:10 p.m.Santa Rosa Sonoma County

19h 34m

2 stops

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

31 Oct

YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl

23h 14m

2 stops

STS1:48 p.m.Santa Rosa Sonoma County

C$ 796

American Airlines

26 Oct

STS4:11 p.m.Santa Rosa Sonoma County

15h 48m

2 stops

YYZ10:59 a.m.Toronto Pearson Intl

30 Oct

YYZ6:46 a.m.Toronto Pearson Intl

12h 07m

2 stops

STS3:53 p.m.Santa Rosa Sonoma County

C$ 875

American Airlines

28 Oct

STS1:10 p.m.Santa Rosa Sonoma County

20h 24m

2 stops

YYZ12:34 p.m.Toronto Pearson Intl

2 Nov

YYZ6:21 p.m.Toronto Pearson Intl

21h 27m

2 stops

STS12:48 p.m.Santa Rosa Sonoma County

C$ 996

momondo Fare Finder

Use the filters below to find and compare flights from Santa Rosa to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Sun 25/10

9:37 a.m.-12:55 a.m.

2 stops12h 18m

Toronto Pearson Intl

Sat 31/10

7:00 a.m.-4:12 p.m.

1 stop12h 12m

C$ 707

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Mon 26/10

2:00 p.m.-9:50 p.m.

1 stop28h 50m

Toronto Pearson Intl

Fri 30/10

11:30 a.m.-4:12 p.m.

1 stop31h 42m

C$ 710

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Mon 26/10

6:19 a.m.-6:00 a.m.

2 stops20h 41m

Toronto Pearson Intl

Fri 30/10

11:30 a.m.-4:12 p.m.

1 stop31h 42m

C$ 718

Quickest round-trip

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Sun 25/10

7:00 a.m.-9:18 p.m.

1 stop11h 18m

Toronto Pearson Intl

Sat 31/10

7:00 a.m.-4:12 p.m.

1 stop12h 12m

C$ 759

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Tue 5/1

1:53 p.m.-6:50 a.m.

1 stop13h 57m

Toronto Pearson Intl

Sun 10/1

8:30 p.m.-3:56 p.m.

1 stop22h 26m

C$ 784

Santa RosaMontreal

STS Santa Rosa Sonoma County - YUL Montreal Pierre Elliott Trudeau Intl

STSYUL

Santa Rosa Sonoma County

Sat 24/10

1:10 p.m.-11:44 a.m.

2 stops19h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

5:34 p.m.-1:48 p.m.

2 stops23h 14m

C$ 796

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Tue 5/1

1:53 p.m.-6:50 a.m.

1 stop13h 57m

Toronto Pearson Intl

Sun 10/1

6:00 a.m.-10:57 p.m.

2 stops19h 57m

C$ 799

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Sun 25/10

7:00 a.m.-9:18 p.m.

1 stop11h 18m

Toronto Pearson Intl

Sun 1/11

10:50 p.m.-4:29 p.m.

2 stops44h 39m

C$ 847

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Mon 26/10

4:11 p.m.-10:59 a.m.

2 stops15h 48m

Toronto Pearson Intl

Fri 30/10

6:46 a.m.-3:53 p.m.

2 stops12h 07m

C$ 875

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Fri 9/10

2:00 p.m.-6:39 a.m.

1 stop13h 39m

Toronto Pearson Intl

Sun 11/10

8:35 p.m.-4:12 p.m.

1 stop22h 37m

C$ 924

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Santa Rosa to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Santa Rosa Sonoma County to Ontario?

American Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Santa Rosa Sonoma County to Ontario

Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from Santa Rosa according to our data. Porter Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

Cheap Santa Rosa to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Region of Ontario

Best price found	C$ 380
Fastest flight time	9h 01m
Direct flights	None

The best one-way flight to Region of Ontario from Santa Rosa in the past 72 hours is C$ 380. The best round-trip flight deal from Santa Rosa to Region of Ontario found on momondo in the last 72 hours is C$ 707.

The fastest flight from Santa Rosa to Region of Ontario takes 9h 01m

There are no direct flights from Santa Rosa to Region of Ontario. There are no popular flight routes from Santa Rosa to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Santa Rosa to Ontario

When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Ontario?
Prices for flights from Santa Rosa Sonoma County Airport to Ontario are refreshed on a daily basis.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Ontario?

Finding the right flight to Ontario from Santa Rosa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Santa Rosa to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Santa Rosa to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Santa Rosa to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santa Rosa to Ontario.

I’m not ready to book a flight from Santa Rosa to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Santa Rosa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.