HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario to Santa Rosa (STS) from $579

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/27. 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
May 23 — May 301
From?
To?
Thu 5/23
Thu 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 $780 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 $429 on average during February, but can be found for as low as $212.

When is the cheapest time to fly from Region of Ontario to Santa Rosa (ON - 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 WestJet Encore flights from Ontario to Santa Rosa

Explore cheap flight options specifically provided by WestJet Encore 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 2,634,509 searches. Data last updated May 18, 2024.
Check out some of the cheapest WestJet Encore flights we've come across from Ontario to Santa Rosa. It's recommended that users confirm their flight details before booking.
Thu 6/277:23 pmYYZ - STS
2 stops19h 30mWestJet Encore
Fri 7/56:00 amSTS - YYZ
1 stop13h 55mWestJet Encore
Deal found 5/17$579
Thu 6/277:00 amYYZ - STS
1 stop7h 53mWestJet Encore
Fri 7/56:00 amSTS - YYZ
1 stop13h 55mWestJet Encore
Deal found 5/17$630

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 2,634,509 searches. Data last updated May 18, 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.
Thu 6/275:15 pmYYZ - STS
2 stops25h 29mAmerican Airlines
Fri 7/56:00 amSTS - YYZ
2 stops13h 22mAmerican Airlines
Deal found 5/17$581
Sat 9/74:54 pmYUL - STS
1 stop22h 07mAmerican Airlines
Tue 9/102:19 pmSTS - YUL
2 stops20h 20mAmerican Airlines
Deal found 5/17$586

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 2,634,509 searches. Prices were last updated on May 18, 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.
Thu 6/277:23 pmYYZ - STS
2 stops19h 30mWestJet Encore
Fri 7/56:00 amSTS - YYZ
1 stop13h 55mWestJet Encore
Deal found 5/17$579
Thu 6/275:15 pmYYZ - STS
2 stops25h 29mAmerican Airlines
Fri 7/56:00 amSTS - YYZ
2 stops13h 22mAmerican Airlines
Deal found 5/17$581
Sat 6/13:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Tue 6/411:56 amSTS - YYZ
2 stops23h 34mAlaska Airlines
Deal found 5/17$602
Sat 6/13:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Tue 6/47:28 pmSTS - YYZ
2 stops16h 02mAlaska Airlines
Deal found 5/16$603
Thu 6/277:00 amYYZ - STS
1 stop7h 53mWestJet Encore
Fri 7/56:00 amSTS - YYZ
1 stop13h 55mWestJet Encore
Deal found 5/17$630
Thu 6/2710:15 pmYYZ - STS
3 stops22h 40mMultiple Airlines
Fri 7/57:45 amSTS - YYZ
2 stops13h 57mMultiple Airlines
Deal found 5/17$648
Sat 6/13:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Tue 6/47:28 pmSTS - YYZ
2 stops16h 02mAlaska Airlines
Deal found 5/16$688
Thu 6/2710:15 pmYYZ - STS
3 stops22h 40mMultiple Airlines
Fri 7/57:45 amSTS - YYZ
3 stops19h 00mMultiple Airlines
Deal found 5/17$689

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 2,634,509 searches. Data last updated May 18, 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.
Thu 6/277:23 pmYYZ - STS
2 stops19h 30mWestJet Encore
Fri 7/56:00 amSTS - YYZ
1 stop13h 55mWestJet Encore
Deal found 5/17$579
Thu 6/275:15 pmYYZ - STS
2 stops25h 29mAmerican Airlines
Fri 7/56:00 amSTS - YYZ
2 stops13h 22mAmerican Airlines
Deal found 5/17$581
Sat 9/74:54 pmYUL - STS
1 stop22h 07mAmerican Airlines
Tue 9/102:19 pmSTS - YUL
2 stops20h 20mAmerican Airlines
Deal found 5/17$586
Sat 6/13:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Tue 6/411:56 amSTS - YYZ
2 stops23h 34mAlaska Airlines
Deal found 5/17$602
Sat 6/13:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Tue 6/47:28 pmSTS - YYZ
2 stops16h 02mAlaska Airlines
Deal found 5/16$603
Thu 6/277:00 amYYZ - STS
1 stop7h 53mWestJet Encore
Fri 7/56:00 amSTS - YYZ
1 stop13h 55mWestJet Encore
Deal found 5/17$630
Thu 6/2710:15 pmYYZ - STS
3 stops22h 40mMultiple Airlines
Fri 7/57:45 amSTS - YYZ
2 stops13h 57mMultiple Airlines
Deal found 5/17$648
Sat 6/13:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Tue 6/47:28 pmSTS - YYZ
2 stops16h 02mAlaska Airlines
Deal found 5/16$688
Thu 6/2710:15 pmYYZ - STS
3 stops22h 40mMultiple Airlines
Fri 7/57:45 amSTS - YYZ
3 stops19h 00mMultiple Airlines
Deal found 5/17$689

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 2,634,509 searches. Data last updated May 18, 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 6/13:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Tue 6/411:56 amSTS - YYZ
2 stops23h 34mAlaska Airlines
Deal found 5/17$602
Sat 6/13:40 pmYYZ - STS
2 stops21h 38mAlaska Airlines
Tue 6/47:28 pmSTS - YYZ
2 stops16h 02mAlaska Airlines
Deal found 5/16$603
Sat 6/13:40 pmYYZ - STS
1 stop9h 54mAlaska Airlines
Tue 6/47:28 pmSTS - YYZ
2 stops16h 02mAlaska Airlines
Deal found 5/16$688

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 2,634,509 searches. Data last updated May 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$579 - $689

Route

Depart

Return

Price

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Thu 6/27

2 stops19h 30m

Santa Rosa Sonoma County

Fri 7/5

1 stop13h 55m

$579

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Thu 6/27

2 stops25h 29m

Santa Rosa Sonoma County

Fri 7/5

2 stops13h 22m

$581

Montreal Pierre Elliott Trudeau IntlSanta Rosa Sonoma County

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sat 9/7

1 stop22h 07m

Santa Rosa Sonoma County

Tue 9/10

2 stops20h 20m

$586

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Sat 6/1

2 stops21h 38m

Santa Rosa Sonoma County

Tue 6/4

2 stops23h 34m

$602

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Sat 6/1

2 stops21h 38m

Santa Rosa Sonoma County

Tue 6/4

2 stops16h 02m

$603

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Thu 6/27

1 stop7h 53m

Santa Rosa Sonoma County

Fri 7/5

1 stop13h 55m

$630

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Thu 6/27

3 stops22h 40m

Santa Rosa Sonoma County

Fri 7/5

2 stops13h 57m

$648

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Sat 6/1

1 stop9h 54m

Santa Rosa Sonoma County

Tue 6/4

2 stops16h 02m

$688

Toronto Pearson IntlSanta Rosa Sonoma County

YYZ - STS

YYZSTS

Toronto Pearson Intl

Thu 6/27

3 stops22h 40m

Santa Rosa Sonoma County

Fri 7/5

3 stops19h 00m

$689

Flights are sorted by cheapest first

Deals found on 5/17

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

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 18, 2024.
Read through reviews of airlines operating flights from Ontario to Santa Rosa, such as WestJet Encore, American Airlines and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.

Alaska Airlines
8.1
Very good
9,164 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.

American Airlines
7.3
Good
14,512 reviews
Alaska Airlines
8.1
Very good
9,164 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

We paid $161 for two exit row seats thinking there’d be extra leg room and not be cramped! The price we paid was a rip-off for these seats and the plane was extremely narrow and cramped. The male crew were okay but not super-friendly. When we picked up our luggage at baggage claim, someone ripped my luggage with a knife or blunt object and destroyed it!! I will be filling a claim for this and took pictures. I heard great reviews about this airline but am disappointed.

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 WestJet Encore for just $579, but on average you can expect to pay $622.

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

    There are currently 3+ 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), Toronto Island Airport (YTZ), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo Airport (YKF) 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 5/17.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Pearson Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Las Vegas flights
Vancouver Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Vancouver Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to San Francisco flights
Calgary to Las Vegas flights
Toronto Island to Los Angeles flights
Abbotsford to Las Vegas flights
Vancouver Intl to San Diego flights
Calgary to Los Angeles flights
Edmonton to Las Vegas flights
Pearson Intl to Ontario flights
Vancouver Intl to Santa Ana flights
Calgary to San Francisco flights
Abbotsford to Los Angeles flights
Toronto Island to San Francisco flights
Pearson Intl to San Diego flights
Edmonton to Los Angeles flights
Winnipeg to Las Vegas flights
Abbotsford to San Francisco flights
Ottawa to Las Vegas flights
Edmonton to San Francisco flights
Vancouver Intl to Palm Springs flights
Pearson Intl to San Jose flights
Ottawa to Los Angeles flights
Vancouver Intl to Sacramento flights
Winnipeg to Los Angeles flights
Calgary to San Diego flights
Ottawa to San Francisco flights
Pierre Elliott Trudeau Intl to San Diego flights
Pierre Elliott Trudeau Intl to Ontario flights
Kitchener-Waterloo to Las Vegas flights
Hamilton to Los Angeles flights
Vancouver Intl to Ontario flights
Québec City to Las Vegas flights
Hamilton to Las Vegas flights
Hamilton to San Francisco flights
Kitchener-Waterloo to San Francisco flights
Abbotsford to San Diego flights
Pearson Intl to Sacramento flights
Winnipeg to San Francisco flights
Victoria to Las Vegas flights
Pearson Intl to Santa Ana flights
Calgary to Ontario flights
Orlando to Tampa flights
Boston to Charlotte flights
Minneapolis to New York flights
Chicago to Hawaii flights
Houston to Chicago flights
USA to Canada flights
Dallas to New York flights
Houston to New York flights
Chicago to Dubai flights
Newark Airport to Cancún flights
Los Angeles to Hawaii flights
Region of Ontario to Hailey flights

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
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines