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CA $959 Cheap Flights from Ottawa (YOW) to Santa Rosa (STS)

View CA $959 flight on Tue, Nov 10, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Santa Rosa, CA (STS-Sonoma County)

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Cheap flights from Ottawa (YOW) to Santa Rosa (STS)

Prices were available within the past 7 days and start at CA $959 for one-way flights and CA $1,004 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Sat, Oct 17 - Tue, Nov 3
YOW
Ottawa
STS
Santa Rosa
CA $1,004 Roundtrip, found 5 days ago
CA $1,004
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sat, Oct 17 from Ottawa to Santa Rosa, returning Tue, Nov 3, priced at CA $1,004 found 5 days ago
Porter Airlines
Sat, Oct 17 - Thu, Nov 5
YOW
Ottawa
STS
Santa Rosa
CA $1,018 Roundtrip, found 5 days ago
CA $1,018
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sat, Oct 17 from Ottawa to Santa Rosa, returning Thu, Nov 5, priced at CA $1,018 found 5 days ago
Porter Airlines
Wed, Sep 9 - Mon, Sep 28
YOW
Ottawa
STS
Santa Rosa
CA $1,024 Roundtrip, found 5 days ago
CA $1,024
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Wed, Sep 9 from Ottawa to Santa Rosa, returning Mon, Sep 28, priced at CA $1,024 found 5 days ago
Porter Airlines
Tue, Nov 17 - Tue, Dec 1
YOW
Ottawa
STS
Santa Rosa
CA $1,026 Roundtrip, found 5 days ago
CA $1,026
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Tue, Nov 17 from Ottawa to Santa Rosa, returning Tue, Dec 1, priced at CA $1,026 found 5 days ago
WestJet
Sat, Oct 3 - Thu, Oct 22
YOW
Ottawa
STS
Santa Rosa
CA $1,038 Roundtrip, found 5 days ago
CA $1,038
Roundtrip
found 5 days ago
Select WestJet flight, departing Sat, Oct 3 from Ottawa to Santa Rosa, returning Thu, Oct 22, priced at CA $1,038 found 5 days ago
Porter Airlines
Mon, Nov 23 - Tue, Dec 8
YOW
Ottawa
STS
Santa Rosa
CA $1,040 Roundtrip, found 5 days ago
CA $1,040
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Mon, Nov 23 from Ottawa to Santa Rosa, returning Tue, Dec 8, priced at CA $1,040 found 5 days ago
Porter Airlines
Sat, Oct 24 - Sat, Nov 7
YOW
Ottawa
STS
Santa Rosa
CA $1,050 Roundtrip, found 5 days ago
CA $1,050
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sat, Oct 24 from Ottawa to Santa Rosa, returning Sat, Nov 7, priced at CA $1,050 found 5 days ago
WestJet
Sun, Oct 4 - Thu, Oct 22
YOW
Ottawa
STS
Santa Rosa
CA $1,052 Roundtrip, found 5 days ago
CA $1,052
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Oct 4 from Ottawa to Santa Rosa, returning Thu, Oct 22, priced at CA $1,052 found 5 days ago
WestJet
Sat, Oct 3 - Sat, Oct 17
YOW
Ottawa
STS
Santa Rosa
CA $1,058 Roundtrip, found 5 days ago
CA $1,058
Roundtrip
found 5 days ago
Select WestJet flight, departing Sat, Oct 3 from Ottawa to Santa Rosa, returning Sat, Oct 17, priced at CA $1,058 found 5 days ago
Porter Airlines
Sat, Oct 17 - Mon, Nov 2
YOW
Ottawa
STS
Santa Rosa
CA $1,063 Roundtrip, found 5 days ago
CA $1,063
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sat, Oct 17 from Ottawa to Santa Rosa, returning Mon, Nov 2, priced at CA $1,063 found 5 days ago
Porter Airlines
Sat, Oct 24 - Fri, Nov 6
YOW
Ottawa
STS
Santa Rosa
CA $1,064 Roundtrip, found 5 days ago
CA $1,064
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sat, Oct 24 from Ottawa to Santa Rosa, returning Fri, Nov 6, priced at CA $1,064 found 5 days ago
WestJet
Mon, Oct 19 - Sat, Oct 31
YOW
Ottawa
STS
Santa Rosa
CA $1,066 Roundtrip, found 5 days ago
CA $1,066
Roundtrip
found 5 days ago
Select WestJet flight, departing Mon, Oct 19 from Ottawa to Santa Rosa, returning Sat, Oct 31, priced at CA $1,066 found 5 days ago
WestJet
Sat, Oct 3 - Fri, Oct 16
YOW
Ottawa
STS
Santa Rosa
CA $1,072 Roundtrip, found 5 days ago
CA $1,072
Roundtrip
found 5 days ago
Select WestJet flight, departing Sat, Oct 3 from Ottawa to Santa Rosa, returning Fri, Oct 16, priced at CA $1,072 found 5 days ago
Porter Airlines
Tue, Dec 1 - Sat, Dec 12
YOW
Ottawa
STS
Santa Rosa
CA $1,073 Roundtrip, found 5 days ago
CA $1,073
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Tue, Dec 1 from Ottawa to Santa Rosa, returning Sat, Dec 12, priced at CA $1,073 found 5 days ago
Porter Airlines
Sat, Nov 14 - Tue, Dec 1
YOW
Ottawa
STS
Santa Rosa
CA $1,079 Roundtrip, found 5 days ago
CA $1,079
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sat, Nov 14 from Ottawa to Santa Rosa, returning Tue, Dec 1, priced at CA $1,079 found 5 days ago
WestJet
Mon, Oct 19 - Fri, Oct 30
YOW
Ottawa
STS
Santa Rosa
CA $1,080 Roundtrip, found 5 days ago
CA $1,080
Roundtrip
found 5 days ago
Select WestJet flight, departing Mon, Oct 19 from Ottawa to Santa Rosa, returning Fri, Oct 30, priced at CA $1,080 found 5 days ago

Alternative airports near Santa Rosa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sonoma County STS. Cheapest and Closest option available. Average driving time to city centre is 10 minutes. Flights from CA $1,330
STS
Sonoma County
CheapestClosest
Average driving time to city centre10 min
Flights from CA $1,330

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find one-way and return flights from YOW to STS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to STS ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest months to fly from YOW to STS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Enter YOW to STS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
There are approximately 7 connecting flights per day from Ottawa Macdonald-Cartier Intl. (YOW) to Santa Rosa Sonoma County (STS). Some common connection points include Vancouver Intl. (YVR), Pearson Intl. (YYZ), and Calgary Intl. (YYC).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from YOW to STS. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
There are no nonstop flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County). Flights with two or more stops typically take around 17 hours 18 minutes, covering a distance of approximately 3,916 kilometers. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns, so it's always a good idea to allow for some extra travel time.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Select the "Business class" and "First class" filters when looking for YOW to STS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Santa Rosa, CA (STS-Sonoma County) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Sonoma County
Roundtrip price
CA $1,004
Distance
3892 km

Book with confidence

Ottawa to Windsor Flights

The easy way to book your flights from Ottawa to Santa Rosa 

With Expedia, it’s simple to find and book flights to Santa Rosa from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Sonoma County, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Santa Rosa today, tomorrow, or this week.  

 

Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Sonoma County, STS 

Sort your search results by price to find great deals on your flight from Ottawa to Santa Rosa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Santa Rosa from Ottawa currently is just CA $1,004 rising to CA $2,158.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Santa Rosa  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Santa Rosa from Ottawa 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Santa Rosa with Expedia today.

Ottawa to Windsor Flights

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