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Cheap flights from Santa Rosa to Ontario from $200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Ontario departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Santa Rosa to Ontario

Cheap round-trip flights

Logo
10:23 am - 6:52 amSTS-YYZ
17h 29m2 stops
Logo
10:40 am - 7:12 pmYYZ-STS
11h 32m1 stop
$424
Find Deal
Wed, Sep 17 - Wed, Sep 24
Logo
10:23 am - 7:58 pmSTS-YYZ
30h 35m1 stop
Logo
10:40 am - 7:12 pmYYZ-STS
11h 32m1 stop
$427
Find Deal
Wed, Sep 17 - Wed, Sep 24
Alaska Airlines Logo
6:51 pm - 3:00 pmSTS-YYZ
17h 09m2 stops
Alaska Airlines Logo
4:45 pm - 1:36 pmYYZ-STS
23h 51m1 stop
$486Alaska Airlines
Find Deal
Tue, Oct 7 - Mon, Oct 13
Alaska Airlines Logo
6:51 pm - 3:00 pmSTS-YYZ
17h 09m2 stops
Alaska Airlines Logo
4:45 pm - 10:06 pmYYZ-STS
8h 21m1 stop
$489Alaska Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Alaska Airlines Logo
3:07 pm - 3:00 pmSTS-YYZ
20h 53m2 stops
Alaska Airlines Logo
4:45 pm - 11:50 pmYYZ-STS
34h 05m2 stops
$491Alaska Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Alaska Airlines Logo
6:51 pm - 3:00 pmSTS-YYZ
17h 09m2 stops
Alaska Airlines Logo
4:45 pm - 1:36 pmYYZ-STS
23h 51m1 stop
$496Alaska Airlines
Find Deal
Tue, Oct 7 - Sun, Oct 12
Logo
6:00 am - 8:00 pmSTS-YYZ
11h 00m2 stops
Logo
7:45 pm - 11:14 amYYZ-STS
18h 29m1 stop
$534
Find Deal
Fri, Aug 29 - Tue, Sep 2
American Airlines Logo
12:17 pm - 12:30 pmSTS-YYZ
21h 13m1 stop
American Airlines Logo
5:19 pm - 12:29 pmYYZ-STS
22h 10m2 stops
$690American Airlines
Find Deal
Mon, Aug 25 - Fri, Aug 29
American Airlines Logo
4:17 pm - 10:25 pmSTS-YYZ
27h 08m2 stops
American Airlines Logo
5:19 pm - 12:29 pmYYZ-STS
22h 10m2 stops
$695American Airlines
Find Deal
Mon, Aug 25 - Fri, Aug 29
American Airlines Logo
4:17 pm - 10:15 amSTS-YYZ
14h 58m2 stops
American Airlines Logo
6:49 am - 3:47 pmYYZ-STS
11h 58m2 stops
$728American Airlines
Find Deal
Tue, Oct 7 - Sun, Oct 12

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 7
STS6:51 pmSanta Rosa Sonoma County
17h 09m
2 stops
YYZ3:00 pmToronto Pearson Intl
Oct 13
YYZ4:45 pmToronto Pearson Intl
23h 51m
1 stop
STS1:36 pmSanta Rosa Sonoma County
$486
Find similar
Alaska Airlines
Oct 7
STS6:51 pmSanta Rosa Sonoma County
17h 09m
2 stops
YYZ3:00 pmToronto Pearson Intl
Oct 11
YYZ4:45 pmToronto Pearson Intl
8h 21m
1 stop
STS10:06 pmSanta Rosa Sonoma County
$489
Find similar
Alaska Airlines
Sep 17
STS3:07 pmSanta Rosa Sonoma County
20h 53m
2 stops
YYZ3:00 pmToronto Pearson Intl
Sep 24
YYZ4:45 pmToronto Pearson Intl
34h 05m
2 stops
STS11:50 pmSanta Rosa Sonoma County
$491
Find similar

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
Aug 25
STS12:17 pmSanta Rosa Sonoma County
21h 13m
1 stop
YYZ12:30 pmToronto Pearson Intl
Aug 29
YYZ5:19 pmToronto Pearson Intl
22h 10m
2 stops
STS12:29 pmSanta Rosa Sonoma County
$690
Find similar
American Airlines
Aug 25
STS4:17 pmSanta Rosa Sonoma County
27h 08m
2 stops
YYZ10:25 pmToronto Pearson Intl
Aug 29
YYZ5:19 pmToronto Pearson Intl
22h 10m
2 stops
STS12:29 pmSanta Rosa Sonoma County
$695
Find similar
American Airlines
Oct 7
STS4:17 pmSanta Rosa Sonoma County
14h 58m
2 stops
YYZ10:15 amToronto Pearson Intl
Oct 12
YYZ6:49 amToronto Pearson Intl
11h 58m
2 stops
STS3:47 pmSanta Rosa Sonoma County
$728
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 4, 2025.
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

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Wed 9/17

10:23 am-6:52 am

2 stops17h 29m

Toronto Pearson Intl

Wed 9/24

10:40 am-7:12 pm

1 stop11h 32m

$424

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Wed 9/17

10:23 am-7:58 pm

1 stop30h 35m

Toronto Pearson Intl

Wed 9/24

10:40 am-7:12 pm

1 stop11h 32m

$427

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Tue 10/7

6:51 pm-3:00 pm

2 stops17h 09m

Toronto Pearson Intl

Mon 10/13

4:45 pm-1:36 pm

1 stop23h 51m

$486

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Tue 10/7

6:51 pm-3:00 pm

2 stops17h 09m

Toronto Pearson Intl

Sat 10/11

4:45 pm-10:06 pm

1 stop8h 21m

$489

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Wed 9/17

3:07 pm-3:00 pm

2 stops20h 53m

Toronto Pearson Intl

Wed 9/24

4:45 pm-11:50 pm

2 stops34h 05m

$491

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Tue 10/7

6:51 pm-3:00 pm

2 stops17h 09m

Toronto Pearson Intl

Sun 10/12

4:45 pm-1:36 pm

1 stop23h 51m

$496

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Fri 8/29

6:00 am-8:00 pm

2 stops11h 00m

Toronto Pearson Intl

Tue 9/2

7:45 pm-11:14 am

1 stop18h 29m

$534

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Mon 8/25

12:17 pm-12:30 pm

1 stop21h 13m

Toronto Pearson Intl

Fri 8/29

5:19 pm-12:29 pm

2 stops22h 10m

$690

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Mon 8/25

4:17 pm-10:25 pm

2 stops27h 08m

Toronto Pearson Intl

Fri 8/29

5:19 pm-12:29 pm

2 stops22h 10m

$695

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Tue 10/7

4:17 pm-10:15 am

2 stops14h 58m

Toronto Pearson Intl

Sun 10/12

6:49 am-3:47 pm

2 stops11h 58m

$728

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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?

Alaska Airlines and American 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 44% 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

$200

Fastest flight time

11h 00m

Direct flights

None

Airports in Region of Ontario

2 airports
The best one-way flight to Region of Ontario from Santa Rosa in the past 72 hours is $200. The best round-trip flight deal from Santa Rosa to Region of Ontario found on momondo in the last 72 hours is $424.
The fastest flight from Santa Rosa to Region of Ontario takes 11h 00m
There are no direct flights from Santa Rosa to Region of Ontario. Popular non-direct routes for this connection are Santa Rosa Sonoma County Airport - Montreal Pierre Elliott Trudeau Intl Airport and Santa Rosa Sonoma County Airport - Toronto Pearson Intl Airport.
There are 2 airports near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)
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  • 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.

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