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$385+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Santa Rosa (STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STS
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
1 adult, Economy
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Cheap flight deals from Pierre Elliott Trudeau Intl to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Santa Rosa (STS). 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 August 26, 2025.

Round-trip from

$676
(American Airlines)

One-way from

$385
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$433
From Montreal Pierre Elliott Trudeau Intl to Santa Rosa Sonoma County
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 7% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Pierre Elliott Trudeau Intl to Santa Rosa

Cheapest flights from Pierre Elliott Trudeau Intl to Santa Rosa
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2025.

This American Airlines deal was found by Cheapflights users on 8/25. 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.
Tue 10/147:29 amYUL - STS
2 stops31h 52mAmerican Airlines
Sat 10/2512:53 pmSTS - YUL
2 stops24h 46mAmerican Airlines
Deal found 8/25$676
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 10/173:44 pmYUL - STS
1 stop23h 17mAmerican Airlines
Sat 10/2512:31 pmSTS - YUL
1 stop23h 18mAmerican Airlines
Deal found 8/25$692
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 10/157:29 amYUL - STS
2 stops31h 52mAmerican Airlines
Sat 10/2512:53 pmSTS - YUL
2 stops19h 47mAmerican Airlines
Deal found 8/25$694
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 10/163:44 pmYUL - STS
1 stop23h 17mAmerican Airlines
Fri 10/244:17 pmSTS - YUL
2 stops20h 03mAmerican Airlines
Deal found 8/25$702
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 10/172:35 pmYUL - STS
2 stops24h 26mAmerican Airlines
Mon 10/274:17 pmSTS - YUL
2 stops16h 23mAmerican Airlines
Deal found 8/25$707

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 2,558,603 searches. Data last updated August 26, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Santa Rosa

Route

Depart

Return

Price

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

7:29 am-12:21 pm

2 stops31h 52m

Santa Rosa Sonoma County

Sat 10/25

12:53 pm-4:39 pm

2 stops24h 46m

$676

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Fri 10/24

12:31 pm-2:49 pm

1 stop23h 18m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

7:29 am-12:21 pm

2 stops31h 52m

Santa Rosa Sonoma County

Wed 10/29

4:17 pm-11:40 am

2 stops16h 23m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Mon 10/20

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Fri 10/24

12:31 pm-2:49 pm

1 stop23h 18m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sun 10/19

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Sat 10/25

12:31 pm-2:49 pm

1 stop23h 18m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

7:29 am-12:21 pm

2 stops31h 52m

Santa Rosa Sonoma County

Tue 10/28

4:17 pm-1:34 pm

2 stops18h 17m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Sat 10/25

12:31 pm-2:49 pm

1 stop23h 18m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Thu 10/23

12:31 pm-2:49 pm

1 stop23h 18m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Fri 10/24

12:31 pm-2:49 pm

1 stop23h 18m

$692

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sun 10/19

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Fri 10/24

12:31 pm-2:49 pm

1 stop23h 18m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 14 results
1
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Best time to book a flight from Pierre Elliott Trudeau Intl to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa (average of $202). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa in June is currently the most expensive (average of $395). 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 Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl?

    If you book a flight to Santa Rosa from Montreal Pierre Elliott Trudeau Intl, you will be flying to Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to Sonoma County per day from 0 different airlines.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa?

    Departing from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa will take you 31h 52m. Montreal Pierre Elliott Trudeau Intl Airport and Santa Rosa are separated by a distance of 2523 mi.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Santa Rosa that include hotel bookings?

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Santa Rosa?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Santa Rosa?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa (average of $202). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa in June is currently the most expensive (average of $395). 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 Santa Rosa?

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Fort Bragg
Ukiah

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