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$1,209+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STS — YOW
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,209
(Travelocity)

Popular in

December

Cheapest in

February

Average price

$451
Provider with most accurate pricing for Santa Rosa Sonoma County-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Ottawa flights.
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From Santa Rosa Sonoma County to Ottawa
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Highest demand for flights based on searches. 14% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Travelocity deal was found by Cheapflights users on 1/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:20 pm
STS
-
YOW
2 stops15h 24m
Multiple Airlines
Wed 5/208:45 am
YOW
-
STS
2 stops13h 55m
Multiple Airlines
Deal found 1/14$1,209
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/174:23 pm
STS
-
YOW
3 stops24h 38m
American Airlines
Wed 5/207:00 am
YOW
-
STS
3 stops32h 35m
American Airlines
Deal found 1/14$1,393

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 January 15, 2026.
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

Sun 5/17

8:20 pm-2:44 pm

2 stops15h 24m

Ottawa

Wed 5/20

8:45 am-7:40 pm

2 stops13h 55m

$1,209

Santa RosaOttawa

STS - YOW

STSYOW

Santa Rosa Sonoma County

Sun 5/17

4:23 pm-8:01 pm

3 stops24h 38m

Ottawa

Wed 5/20

7:00 am-12:35 pm

3 stops32h 35m

$1,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

  • Most accurate provider: When it comes to deals on Santa Rosa-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Santa Rosa to Ottawa (average of $142). Flying from Santa Rosa to Ottawa in November is currently the most expensive (average of $327). 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.

  • How long is the flight from Santa Rosa to Ottawa?

    For as low as $1,393, American Airlines can have you in Ottawa from Santa Rosa in 24h 38m. Airlines will cover a distance of 2432 mi.

  • 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, September is the cheapest month in which you can book a flight from Santa Rosa to Ottawa (average of $142). Flying from Santa Rosa to Ottawa in November is currently the most expensive (average of $327). 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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