HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$377+ Cheap flights from Santa Rosa (STS) to Niagara Falls, ON, Canada

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — YYZ
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Niagara Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Santa Rosa to Niagara Falls

Best flights from Santa Rosa to Niagara Falls
Discover carefully curated flight deals from Santa Rosa to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:57 pmSTS - YYZ
1 stop16h 38mAlaska Airlines
Wed 2/254:45 pmYYZ - STS
2 stops19h 29mAlaska Airlines
Deal found 12/16$377
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:57 pmSTS - YYZ
1 stop16h 38mAlaska Airlines
Fri 2/204:45 pmYYZ - STS
1 stop20h 47mAlaska Airlines
Deal found 12/16$388
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:57 pmSTS - YYZ
1 stop16h 38mAlaska Airlines
Fri 2/204:45 pmYYZ - STS
1 stop20h 47mAlaska Airlines
Deal found 12/17$398
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:57 pmSTS - YYZ
1 stop16h 38mAlaska Airlines
Fri 2/204:45 pmYYZ - STS
1 stop10h 05mAlaska Airlines
Deal found 12/16$398
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/89:33 pmSTS - YYZ
1 stop15h 02mAlaska Airlines
Mon 1/124:45 pmYYZ - STS
2 stops22h 37mAlaska Airlines
Deal found 12/15$410

Find flight deals from Santa Rosa to Niagara Falls

Keep the following information in mind while searching for Santa Rosa to Niagara Falls flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$377
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$642
Provider with most accurate pricing for San Francisco-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Toronto (YTO) flights.
Search Deals
From Santa Rosa Sonoma County to Niagara Falls
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Niagara Falls 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 December 18, 2025.
Use the filters below to find and compare flights from Santa Rosa to Niagara Falls that are best for you.

Fly from

Santa Rosa

Fly to

Niagara Falls

Route

Depart

Return

Price

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Wed 2/18

7:57 pm-3:35 pm

1 stop16h 38m

Toronto Pearson Intl

Wed 2/25

4:45 pm-9:14 am

2 stops19h 29m

$377

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Tue 2/17

7:57 pm-3:35 pm

1 stop16h 38m

Toronto Pearson Intl

Fri 2/20

4:45 pm-10:32 am

1 stop20h 47m

$388

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Sat 2/14

7:57 pm-3:35 pm

1 stop16h 38m

Toronto Pearson Intl

Fri 2/20

4:45 pm-10:32 am

1 stop20h 47m

$398

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Sun 2/15

7:57 pm-3:35 pm

1 stop16h 38m

Toronto Pearson Intl

Fri 2/20

4:45 pm-11:50 pm

1 stop10h 05m

$398

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Thu 1/8

9:33 pm-3:35 pm

1 stop15h 02m

Toronto Pearson Intl

Mon 1/12

4:45 pm-12:22 pm

2 stops22h 37m

$410

Santa RosaToronto

STS - YYZ

STSYYZ

Santa Rosa Sonoma County

Tue 12/30

8:17 pm-3:35 pm

2 stops16h 18m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Santa Rosa to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls 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 Niagara Falls

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

Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Niagara Falls (average of $127). Flying from Santa Rosa to Niagara Falls in December is currently the most expensive (average of $217). 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 Niagara Falls. 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 from for flights from Santa Rosa to Niagara Falls?

    For a flight from Santa Rosa to Niagara Falls, you will be flying from Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city. Sonoma County is the only Santa Rosa airport and it handles 0 outbound flights to Niagara Falls per day. 0 airlines have flights to Niagara Falls from Santa Rosa Sonoma County on a regular basis.

  • How long is the flight from Santa Rosa to Niagara Falls?

    Alaska Airlines can get you from Santa Rosa to Niagara Falls in just under 16h 38m. Your travel time can differ by up to . The distance between Santa Rosa and Niagara Falls is about 2250 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Niagara Falls 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 Niagara Falls?

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Niagara Falls (average of $127). Flying from Santa Rosa to Niagara Falls in December is currently the most expensive (average of $217). 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

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 Santa Rosa to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Las Vegas to Pearson Intl flights
Ontario to Pearson Intl flights
San Francisco to Toronto Island flights
Los Angeles to Toronto Island flights
Ontario to Pierre Elliott Trudeau Intl flights
Santa Ana to Pearson Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Los Angeles to Hamilton flights
San Jose to Pearson Intl flights
Palm Springs to Pearson Intl flights
Los Angeles to Region of Waterloo Intl flights
Las Vegas to Toronto Island flights
San Francisco to Hamilton flights
San Francisco to Region of Waterloo Intl flights
Oakland to Pearson Intl flights
San Diego to Toronto Island flights
Sacramento to Pearson Intl flights
San Francisco to Ottawa flights
Burbank to Pearson Intl flights
Los Angeles to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Palm Springs to Pierre Elliott Trudeau Intl flights
Las Vegas to Hamilton flights
San Jose to Pierre Elliott Trudeau Intl flights
Fresno to Pearson Intl flights
San Diego to Hamilton flights
Oakland to Pierre Elliott Trudeau Intl flights
Reno to Pierre Elliott Trudeau Intl flights
Reno to Pearson Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
Long Beach to Pearson Intl flights
Burbank to Pierre Elliott Trudeau Intl flights
Las Vegas to Region of Waterloo Intl flights
Las Vegas to Ottawa flights
Ontario to Ottawa flights
Palm Springs to Hamilton flights
San Diego to Region of Waterloo Intl flights
San Jose to Hamilton flights
Santa Ana to Hamilton flights
Santa Ana to Ottawa flights
Burbank to Ottawa flights
Long Beach to Pierre Elliott Trudeau Intl flights

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.