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Cheap flights from Ontario to Santa Rosa (STS) from $318

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YYZ — STS
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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How far in advance should I book a flight from Region of Ontario to Santa Rosa?

To save up to 107% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Region of Ontario to Santa Rosa from $508 1-2 weeks out and tickets from $763 for flights departing within the next 72 hours.

What is the cheapest month to fly from Region of Ontario to Santa Rosa?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Santa Rosa. Flights to Santa Rosa from Region of Ontario in February are about $427 on average during February, but can be found for as low as $212.

What is the cheapest time of day to fly from ON to STS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Santa Rosa as you normally would.

Cheap Alaska Airlines flights from Ontario to Santa Rosa

Explore cheap flight options specifically provided by Alaska Airlines for the route between Ontario and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Ontario to Santa Rosa. It's recommended that users confirm their flight details before booking.
Tue 6/253:40 pmYYZ - STS
2 stops29h 20mAlaska Airlines
Mon 7/87:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$534
Wed 6/263:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Mon 7/87:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$550
Mon 6/243:40 pmYYZ - STS
2 stops22h 01mAlaska Airlines
Fri 7/57:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$572
Wed 6/193:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Mon 7/12:44 pmSTS - YYZ
1 stop20h 46mAlaska Airlines
Deal found 5/29$630
Wed 6/193:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Tue 7/27:00 amSTS - YYZ
1 stop28h 30mAlaska Airlines
Deal found 5/29$682
Tue 6/113:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Sat 6/226:56 pmSTS - YYZ
2 stops16h 34mAlaska Airlines
Deal found 5/29$684
Sat 6/153:40 pmYYZ - STS
2 stops21h 16mAlaska Airlines
Wed 6/263:47 pmSTS - YYZ
2 stops19h 43mAlaska Airlines
Deal found 5/29$695
Fri 6/143:40 pmYYZ - STS
2 stops22h 01mAlaska Airlines
Wed 6/263:47 pmSTS - YYZ
2 stops19h 43mAlaska Airlines
Deal found 5/29$707
Sat 6/293:40 pmYYZ - STS
1 stop9h 14mAlaska Airlines
Tue 7/911:21 amSTS - YYZ
2 stops24h 09mAlaska Airlines
Deal found 5/29$708

Cheap American Airlines flights from Ontario to Santa Rosa

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Some of the best deals we've found on American Airlines flights traveling from Ontario to Santa Rosa. Deals frequently update to provide users with more options.
Sat 6/225:55 pmYYZ - STS
2 stops20h 58mAmerican Airlines
Thu 7/44:14 pmSTS - YYZ
2 stops15h 59mAmerican Airlines
Deal found 5/29$581
Fri 7/56:30 amYYZ - STS
2 stops12h 11mAmerican Airlines
Mon 7/154:11 pmSTS - YYZ
2 stops15h 04mAmerican Airlines
Deal found 5/29$582
Wed 6/123:59 pmYYZ - STS
2 stops22h 54mAmerican Airlines
Mon 6/244:14 pmSTS - YYZ
2 stops15h 59mAmerican Airlines
Deal found 5/29$622
Fri 6/145:15 pmYYZ - STS
1 stop21h 38mAmerican Airlines
Thu 6/2712:33 pmSTS - YYZ
2 stops21h 07mAmerican Airlines
Deal found 5/29$624
Sat 6/87:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Wed 6/194:14 pmSTS - YYZ
2 stops19h 45mAmerican Airlines
Deal found 5/29$659
Wed 6/57:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Mon 6/174:14 pmSTS - YYZ
2 stops19h 45mAmerican Airlines
Deal found 5/29$701
Tue 6/46:45 amYYZ - STS
1 stop8h 12mAmerican Airlines
Fri 6/1412:33 pmSTS - YYZ
1 stop21h 01mAmerican Airlines
Deal found 5/29$723
Sun 6/97:00 amYYZ - STS
1 stop7h 53mAmerican Airlines
Fri 6/2112:33 pmSTS - YYZ
1 stop21h 01mAmerican Airlines
Deal found 5/29$760
Mon 6/245:15 pmYYZ - STS
1 stop21h 38mAmerican Airlines
Sat 7/612:28 pmSTS - YYZ
1 stop7h 27mAmerican Airlines
Deal found 5/29$781

Cheap Ontario to Santa Rosa flights in May & June 2024

Find cheap flight options from Ontario to Santa Rosa specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
These are some of the best deals we've found on flights to Santa Rosa in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 6/253:40 pmYYZ - STS
2 stops29h 20mAlaska Airlines
Mon 7/87:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$534
Wed 6/263:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Mon 7/87:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$550
Mon 6/243:40 pmYYZ - STS
2 stops22h 01mAlaska Airlines
Fri 7/57:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$572
Sat 6/225:55 pmYYZ - STS
2 stops20h 58mAmerican Airlines
Thu 7/44:14 pmSTS - YYZ
2 stops15h 59mAmerican Airlines
Deal found 5/29$581
Sun 6/307:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Thu 7/1112:28 pmSTS - YYZ
1 stop7h 27mAmerican Airlines
Deal found 5/29$582
Wed 6/123:59 pmYYZ - STS
2 stops22h 54mAmerican Airlines
Mon 6/244:14 pmSTS - YYZ
2 stops15h 59mAmerican Airlines
Deal found 5/29$622
Fri 6/145:15 pmYYZ - STS
1 stop21h 38mAmerican Airlines
Thu 6/2712:33 pmSTS - YYZ
2 stops21h 07mAmerican Airlines
Deal found 5/29$624
Wed 6/193:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Mon 7/12:44 pmSTS - YYZ
1 stop20h 46mAlaska Airlines
Deal found 5/29$630
Sat 6/87:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Wed 6/194:14 pmSTS - YYZ
2 stops19h 45mAmerican Airlines
Deal found 5/29$659

Ontario to Santa Rosa 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Santa Rosa in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
These are some of the best deals we've found on flights to Santa Rosa in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 6/253:40 pmYYZ - STS
2 stops29h 20mAlaska Airlines
Mon 7/87:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$534
Wed 6/263:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Tue 7/97:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$550
Mon 6/243:40 pmYYZ - STS
2 stops22h 01mAlaska Airlines
Fri 7/57:01 pmSTS - YYZ
2 stops16h 29mAlaska Airlines
Deal found 5/29$572
Sat 6/225:55 pmYYZ - STS
2 stops20h 58mAmerican Airlines
Thu 7/44:14 pmSTS - YYZ
2 stops15h 59mAmerican Airlines
Deal found 5/29$581
Fri 7/56:30 amYYZ - STS
2 stops12h 11mAmerican Airlines
Mon 7/154:11 pmSTS - YYZ
2 stops15h 04mAmerican Airlines
Deal found 5/29$582
Wed 6/123:59 pmYYZ - STS
2 stops22h 54mAmerican Airlines
Mon 6/244:14 pmSTS - YYZ
2 stops15h 59mAmerican Airlines
Deal found 5/29$622
Fri 6/145:15 pmYYZ - STS
1 stop21h 38mAmerican Airlines
Thu 6/2712:33 pmSTS - YYZ
2 stops21h 07mAmerican Airlines
Deal found 5/29$624
Wed 6/193:40 pmYYZ - STS
2 stops29h 11mAlaska Airlines
Mon 7/12:44 pmSTS - YYZ
1 stop20h 46mAlaska Airlines
Deal found 5/29$630
Sat 6/87:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Wed 6/194:14 pmSTS - YYZ
2 stops19h 45mAmerican Airlines
Deal found 5/29$659

Ontario to Santa Rosa flights leaving soon

Find last-minute flight options from Ontario to Santa Rosa for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Have a look at some of the last-minute flights available departing from Ontario to Santa Rosa. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 6/87:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Wed 6/194:14 pmSTS - YYZ
2 stops19h 45mAmerican Airlines
Deal found 5/29$659
Wed 6/57:23 pmYYZ - STS
2 stops19h 30mAmerican Airlines
Mon 6/174:14 pmSTS - YYZ
2 stops19h 45mAmerican Airlines
Deal found 5/29$701
Tue 6/46:45 amYYZ - STS
1 stop8h 12mAmerican Airlines
Fri 6/1412:33 pmSTS - YYZ
1 stop21h 01mAmerican Airlines
Deal found 5/29$723
Sun 6/97:00 amYYZ - STS
1 stop7h 53mAmerican Airlines
Fri 6/2112:33 pmSTS - YYZ
1 stop21h 01mAmerican Airlines
Deal found 5/29$760
Wed 6/53:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Sat 6/157:00 amSTS - YYZ
1 stop28h 30mAlaska Airlines
Deal found 5/29$802
Wed 6/53:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Sat 6/153:54 pmSTS - YYZ
2 stops19h 36mAlaska Airlines
Deal found 5/29$811
Sun 6/93:40 pmYYZ - STS
2 stops22h 36mAlaska Airlines
Sat 6/226:56 pmSTS - YYZ
2 stops16h 34mAlaska Airlines
Deal found 5/29$812
Sat 6/83:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Thu 6/202:44 pmSTS - YYZ
1 stop20h 46mAlaska Airlines
Deal found 5/29$813
Tue 6/43:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Sat 6/157:00 amSTS - YYZ
1 stop28h 30mAlaska Airlines
Deal found 5/29$824

One-way flights to Santa Rosa from Ontario

Search for one-way flight options from Ontario to Santa Rosa. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from Ontario to Santa Rosa can choose from these deals. Users in need of a round-trip flight from Ontario to Santa Rosa instead should update the search form at the top of page.
Thu 8/86:55 amYYZ - STS
1 stop7h 52mAmerican Airlines
Deal found 5/30$318
Thu 8/86:25 pmYYZ - STS
2 stops20h 22mAmerican Airlines
Deal found 5/30$324

Find flights from Ontario to Santa Rosa within your budget

Customize your flight search to find flights from Ontario to Santa Rosa 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, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$534 - $682

Route

Depart

Return

Price

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Tue 6/25

2 stops29h 20m

Santa Rosa Sonoma County

Mon 7/8

2 stops16h 29m

$534

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Wed 6/26

2 stops29h 11m

Santa Rosa Sonoma County

Mon 7/8

2 stops16h 29m

$550

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Mon 6/24

2 stops22h 01m

Santa Rosa Sonoma County

Fri 7/5

2 stops16h 29m

$572

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Sat 6/22

2 stops20h 58m

Santa Rosa Sonoma County

Thu 7/4

2 stops15h 59m

$581

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Fri 7/5

2 stops12h 11m

Santa Rosa Sonoma County

Mon 7/15

2 stops15h 04m

$582

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Wed 6/12

2 stops22h 54m

Santa Rosa Sonoma County

Mon 6/24

2 stops15h 59m

$622

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Fri 6/14

1 stop21h 38m

Santa Rosa Sonoma County

Thu 6/27

2 stops21h 07m

$624

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Wed 6/19

2 stops29h 11m

Santa Rosa Sonoma County

Mon 7/1

1 stop20h 46m

$630

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Wed 6/19

2 stops29h 11m

Santa Rosa Sonoma County

Tue 7/2

1 stop28h 30m

$682

Flights are sorted by cheapest first

Deals found on 5/29

No data available for this route at this time. Please check back soon.

Best time to book a flight from Ontario to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated May 30, 2024.
Read through reviews of airlines operating flights from Ontario to Santa Rosa, such as Alaska Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,201 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Overall

8.1

Boarding

8.2

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Santa Rosa from Ontario.

  • Can I find flights from Region of Ontario to Santa Rosa for under $600 on Cheapflights?

    Yes, there are multiple flights from Region of Ontario to Santa Rosa for under $600. The cheapest flight booked recently is on Alaska Airlines for just $534, but on average you can expect to pay $664.

  • Are there last-minute flights available from Region of Ontario to Santa Rosa for under $700?

    There are currently 20+ open flights from Region of Ontario to Santa Rosa within the next 7 days for less than $700.

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

    When deciding which route to take from Region of Ontario to Santa Rosa consider Toronto Pearson Intl - Santa Rosa Sonoma County, Hamilton - Santa Rosa Sonoma County or Montreal Pierre Elliott Trudeau Intl - Santa Rosa Sonoma County as they are the most popular.

  • What does YYZ to STS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Toronto Pearson Intl Airport to Santa Rosa Sonoma County Airport flight would often be abbreviated as a YYZ to STS flight. Ottawa Airport (YOW), Hamilton Airport (YHM), Toronto Island Airport (YTZ), Toronto Kitchener-Waterloo Airport (YKF), London Airport (YXU) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Ontario to Santa Rosa that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Santa Rosa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Santa Rosa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Santa Rosa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Santa Rosa that allow pets onboard?

    Many airlines flying from Ontario to Santa Rosa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Santa Rosa?

    Yes, you can often find last-minute deals on Ontario to Santa Rosa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Region of Ontario to Santa Rosa flight deals updated?

    The Region of Ontario to Santa Rosa flight deals you see on this page were last updated on 5/29.

  • What is the cheapest month to book a flight from Region of Ontario to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Santa Rosa (average of $213). Flying from Region of Ontario to Santa Rosa in June is currently the most expensive (average of $408). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Santa Rosa
See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from Ontario to Santa Rosa by cabin class

Find flights from Ontario to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Santa Rosa?

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

Cheapflights helps you find that perfect flight to Santa Rosa from Ontario 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 Ontario to Santa Rosa with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Santa Rosa with no change fees.

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

Of course! You can now track prices for flights from Ontario to Santa Rosa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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