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 were last updated today.

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 travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$274 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 am - 12:55 amSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

12h 18m2 stops Palm Springs Calgary

7:00 am - 4:12 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

12h 12m1 stop Las Vegas Harry Reid Intl

$510Multiple Airlines

Sun, Oct 25 - Sat, Oct 31

2:00 pm - 9:50 pmSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

28h 50m1 stop Las Vegas Harry Reid Intl

11:30 am - 4:12 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

31h 42m1 stop Las Vegas Harry Reid Intl

$512Multiple Airlines

Mon, Oct 26 - Fri, Oct 30

6:19 am - 6:00 amSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

20h 41m2 stops San Diego Calgary

11:30 am - 4:12 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

31h 42m1 stop Las Vegas Harry Reid Intl

$518Multiple Airlines

Mon, Oct 26 - Fri, Oct 30

7:00 am - 9:18 pmSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

11h 18m1 stop Los Angeles

7:00 am - 4:12 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

12h 12m1 stop Las Vegas Harry Reid Intl

$547Multiple Airlines

Sun, Oct 25 - Sat, Oct 31

1:53 pm - 6:50 amSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

13h 57m1 stop Las Vegas Harry Reid Intl

8:30 pm - 3:56 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

22h 26m1 stop Las Vegas Harry Reid Intl

$565Multiple Airlines

Tue, Jan 5 - Sun, Jan 10

1:10 pm - 11:44 amSTS Santa Rosa Sonoma County-YUL Montreal Pierre Elliott Trudeau Intl

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

5:34 pm - 1:48 pmYUL Montreal Pierre Elliott Trudeau Intl-STS Santa Rosa Sonoma County

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

$574American Airlines

Sat, Oct 24 - Sat, Oct 31

1:53 pm - 6:50 amSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

13h 57m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:57 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

19h 57m2 stops Calgary San Diego

$576Multiple Airlines

Tue, Jan 5 - Sun, Jan 10

7:00 am - 9:18 pmSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

11h 18m1 stop Los Angeles

10:50 pm - 4:29 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

44h 39m2 stops Winnipeg Las Vegas Harry Reid Intl

$611Multiple Airlines

Sun, Oct 25 - Sun, Nov 1

4:11 pm - 10:59 amSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

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

6:46 am - 3:53 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

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

$631American Airlines

Mon, Oct 26 - Fri, Oct 30

2:00 pm - 6:39 amSTS Santa Rosa Sonoma County-YYZ Toronto Pearson Intl

13h 39m1 stop Las Vegas Harry Reid Intl

8:35 pm - 4:12 pmYYZ Toronto Pearson Intl-STS Santa Rosa Sonoma County

22h 37m1 stop Las Vegas Harry Reid Intl

$666Multiple Airlines

Fri, Oct 9 - Sun, Oct 11

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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

Oct 25

STS8:07 amSanta Rosa Sonoma County

28h 58m

2 stops

YYZ4:05 pmToronto Pearson Intl

Oct 31

YYZ5:15 pmToronto Pearson Intl

19h 57m

2 stops

STS10:12 amSanta Rosa Sonoma County

$679

Alaska Airlines

Oct 12

STS7:00 amSanta Rosa Sonoma County

29h 45m

1 stop

YYZ3:45 pmToronto Pearson Intl

Oct 16

YYZ4:55 pmToronto Pearson Intl

23h 11m

1 stop

STS1:06 pmSanta Rosa Sonoma County

$721

Alaska Airlines

Oct 12

STS7:00 amSanta Rosa Sonoma County

29h 45m

2 stops

YYZ3:45 pmToronto Pearson Intl

Oct 16

YYZ4:55 pmToronto Pearson Intl

20h 04m

2 stops

STS9:59 amSanta Rosa Sonoma County

$736

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

Oct 24

STS1:10 pmSanta Rosa Sonoma County

19h 34m

2 stops

YUL11:44 amMontreal Pierre Elliott Trudeau Intl

Oct 31

YUL5:34 pmMontreal Pierre Elliott Trudeau Intl

23h 14m

2 stops

STS1:48 pmSanta Rosa Sonoma County

$574

American Airlines

Oct 26

STS4:11 pmSanta Rosa Sonoma County

15h 48m

2 stops

YYZ10:59 amToronto Pearson Intl

Oct 30

YYZ6:46 amToronto Pearson Intl

12h 07m

2 stops

STS3:53 pmSanta Rosa Sonoma County

$631

American Airlines

Oct 28

STS1:10 pmSanta Rosa Sonoma County

20h 24m

2 stops

YYZ12:34 pmToronto Pearson Intl

Nov 2

YYZ6:21 pmToronto Pearson Intl

21h 27m

2 stops

STS12:48 pmSanta Rosa Sonoma County

$718

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 10/25

9:37 am-12:55 am

2 stops12h 18m

Toronto Pearson Intl

Sat 10/31

7:00 am-4:12 pm

1 stop12h 12m

$510

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Mon 10/26

2:00 pm-9:50 pm

1 stop28h 50m

Toronto Pearson Intl

Fri 10/30

11:30 am-4:12 pm

1 stop31h 42m

$512

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Mon 10/26

6:19 am-6:00 am

2 stops20h 41m

Toronto Pearson Intl

Fri 10/30

11:30 am-4:12 pm

1 stop31h 42m

$518

Quickest round-trip

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Sun 10/25

7:00 am-9:18 pm

1 stop11h 18m

Toronto Pearson Intl

Sat 10/31

7:00 am-4:12 pm

1 stop12h 12m

$547

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Tue 1/5

1:53 pm-6:50 am

1 stop13h 57m

Toronto Pearson Intl

Sun 1/10

8:30 pm-3:56 pm

1 stop22h 26m

$565

Santa RosaMontreal

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

STSYUL

Santa Rosa Sonoma County

Sat 10/24

1:10 pm-11:44 am

2 stops19h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 10/31

5:34 pm-1:48 pm

2 stops23h 14m

$574

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Tue 1/5

1:53 pm-6:50 am

1 stop13h 57m

Toronto Pearson Intl

Sun 1/10

6:00 am-10:57 pm

2 stops19h 57m

$576

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Sun 10/25

7:00 am-9:18 pm

1 stop11h 18m

Toronto Pearson Intl

Sun 11/1

10:50 pm-4:29 pm

2 stops44h 39m

$611

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Mon 10/26

4:11 pm-10:59 am

2 stops15h 48m

Toronto Pearson Intl

Fri 10/30

6:46 am-3:53 pm

2 stops12h 07m

$631

Santa RosaToronto

STS Santa Rosa Sonoma County - YYZ Toronto Pearson Intl

STSYYZ

Santa Rosa Sonoma County

Fri 10/9

2:00 pm-6:39 am

1 stop13h 39m

Toronto Pearson Intl

Sun 10/11

8:35 pm-4:12 pm

1 stop22h 37m

$666

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

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Santa Rosa according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 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	$274
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 $274. The best round-trip flight deal from Santa Rosa to Region of Ontario found on momondo in the last 72 hours is $510.

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 were last updated today.
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 travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek 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 recognisable 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 enables you to select and highlight flights to Ontario from Santa Rosa with this policy.

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

momondo helps you find the best flight between Santa Rosa and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Santa Rosa to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.