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$780+ Cheap flights from Santa Rosa (STS) to Ottawa (YOW)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
STS — YOW
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Santa Rosa to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$780
(KAYAK)

Popular in

July

Cheapest in

February

Average price

$444
From Santa Rosa Sonoma County to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Santa Rosa to Ottawa

Cheapest flights from Santa Rosa to Ottawa
Explore the most affordable flight options available from Santa Rosa to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 56mMultiple Airlines
Mon 11/246:45 amYOW - STS
2 stops19h 48mMultiple Airlines
Deal found 9/11$780
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 56mMultiple Airlines
Sat 11/226:45 amYOW - STS
2 stops20h 11mMultiple Airlines
Deal found 9/11$793
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 56mMultiple Airlines
Sun 11/236:45 amYOW - STS
2 stops20h 11mMultiple Airlines
Deal found 9/11$803
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 56mMultiple Airlines
Tue 11/256:45 amYOW - STS
2 stops18h 03mMultiple Airlines
Deal found 9/11$810
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 56mMultiple Airlines
Wed 11/266:45 amYOW - STS
2 stops18h 03mMultiple Airlines
Deal found 9/11$877
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:07 pmSTS - YOW
2 stops13h 28mMultiple Airlines
Mon 11/36:45 amYOW - STS
2 stops14h 09mMultiple Airlines
Deal found 9/11$892
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 55mMultiple Airlines
Fri 11/215:40 amYOW - STS
2 stops20h 53mMultiple Airlines
Deal found 9/11$905
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:45 amSTS - YOW
2 stops13h 55mMultiple Airlines
Thu 11/276:00 amYOW - STS
2 stops15h 20mMultiple Airlines
Deal found 9/11$1,003

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Ottawa 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Santa Rosa to Ottawa that are best for you.

Fly from

Santa Rosa

Fly to

Ottawa

Route

Depart

Return

Price

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Thu 11/20

7:45 am-12:41 am

2 stops13h 56m

Ottawa

Mon 11/24

6:45 am-11:33 pm

2 stops19h 48m

$780

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Thu 11/20

7:45 am-12:41 am

2 stops13h 56m

Ottawa

Sat 11/22

6:45 am-11:56 pm

2 stops20h 11m

$793

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Thu 11/20

7:45 am-12:41 am

2 stops13h 56m

Ottawa

Tue 11/25

6:45 am-9:48 pm

2 stops18h 03m

$810

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Thu 11/20

7:45 am-12:41 am

2 stops13h 56m

Ottawa

Wed 11/26

6:45 am-9:48 pm

2 stops18h 03m

$877

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Mon 10/27

8:07 pm-12:35 pm

2 stops13h 28m

Ottawa

Mon 11/3

6:45 am-5:54 pm

2 stops14h 09m

$892

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Thu 11/20

7:45 am-12:40 am

2 stops13h 55m

Ottawa

Fri 11/21

5:40 am-11:33 pm

2 stops20h 53m

$905

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Thu 11/20

7:45 am-12:40 am

2 stops13h 55m

Ottawa

Thu 11/27

6:00 am-6:20 pm

2 stops15h 20m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Santa Rosa to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Santa Rosa 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.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Ottawa

What is the cheapest month to book a flight from Santa Rosa to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Ottawa (average of $294). Flying from Santa Rosa to Ottawa in September is currently the most expensive (average of $419). 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.

Related info for your journey

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

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Santa Rosa to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Ottawa (average of $294). Flying from Santa Rosa to Ottawa in September is currently the most expensive (average of $419). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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