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Santa Rosa

$405+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$737
(American Airlines)

One-way from

$405
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$374
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 ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:15 pmYUL - STS
2 stops21h 40mAmerican Airlines
Sun 11/212:37 pmSTS - YUL
2 stops20h 38mAmerican Airlines
Deal found 9/17$748
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:52 pmYUL - STS
2 stops26h 59mAmerican Airlines
Mon 1/54:21 pmSTS - YUL
2 stops43h 39mAmerican Airlines
Deal found 9/16$774
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:51 pmYUL - STS
2 stops27h 00mAmerican Airlines
Tue 1/612:45 pmSTS - YUL
2 stops23h 15mAmerican Airlines
Deal found 9/16$790
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:51 pmYUL - STS
2 stops27h 00mAmerican Airlines
Tue 1/612:45 pmSTS - YUL
2 stops23h 15mAmerican Airlines
Deal found 9/16$799
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:52 pmYUL - STS
2 stops23h 37mAmerican Airlines
Fri 1/24:21 pmSTS - YUL
2 stops27h 18mAmerican Airlines
Deal found 9/16$803
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:51 pmYUL - STS
2 stops27h 00mAmerican Airlines
Sat 1/34:21 pmSTS - YUL
2 stops19h 49mAmerican Airlines
Deal found 9/16$819
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:51 pmYUL - STS
2 stops23h 38mAmerican Airlines
Sat 1/34:21 pmSTS - YUL
2 stops16h 59mAmerican Airlines
Deal found 9/16$827
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:59 pmYUL - STS
2 stops26h 52mAmerican Airlines
Fri 1/24:21 pmSTS - YUL
2 stops27h 18mAmerican Airlines
Deal found 9/16$832
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:52 pmYUL - STS
2 stops23h 37mAmerican Airlines
Sun 1/44:21 pmSTS - YUL
2 stops43h 39mAmerican Airlines
Deal found 9/16$835
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:51 pmYUL - STS
2 stops27h 00mAmerican Airlines
Sun 1/44:21 pmSTS - YUL
2 stops43h 39mAmerican Airlines
Deal found 9/16$852
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:51 pmYUL - STS
2 stops23h 38mAmerican Airlines
Sun 1/44:21 pmSTS - YUL
2 stops43h 39mAmerican Airlines
Deal found 9/16$860
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:59 pmYUL - STS
2 stops26h 52mAmerican Airlines
Sun 1/44:21 pmSTS - YUL
2 stops43h 39mAmerican Airlines
Deal found 9/16$863

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 September 17, 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

Fri 2/13

3:45 pm-3:50 pm

2 stops27h 05m

Santa Rosa Sonoma County

Wed 3/4

4:18 pm-3:00 pm

2 stops19h 42m

$737

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

3:45 pm-12:14 pm

2 stops23h 29m

Santa Rosa Sonoma County

Wed 3/4

12:49 pm-3:00 pm

2 stops23h 11m

$737

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

3:45 pm-12:14 pm

2 stops23h 29m

Santa Rosa Sonoma County

Thu 3/5

12:49 pm-3:20 pm

2 stops23h 31m

$737

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Thu 2/12

3:45 pm-12:14 pm

2 stops23h 29m

Santa Rosa Sonoma County

Thu 3/5

4:18 pm-3:00 pm

2 stops19h 42m

$737

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Wed 2/11

2:25 pm-12:14 pm

2 stops24h 49m

Santa Rosa Sonoma County

Thu 3/5

4:18 pm-3:00 pm

2 stops19h 42m

$737

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Wed 2/11

3:45 pm-12:14 pm

2 stops23h 29m

Santa Rosa Sonoma County

Wed 3/4

4:18 pm-3:00 pm

2 stops19h 42m

$737

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Mon 10/6

5:24 pm-12:01 pm

2 stops21h 37m

Santa Rosa Sonoma County

Wed 10/29

4:17 pm-11:40 am

2 stops16h 23m

$748

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

5:15 pm-12:29 pm

2 stops22h 14m

Santa Rosa Sonoma County

Fri 10/31

4:17 pm-12:24 pm

2 stops17h 07m

$748

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

3:44 pm-12:21 pm

2 stops23h 37m

Santa Rosa Sonoma County

Thu 10/30

4:17 pm-11:44 am

2 stops16h 27m

$748

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

3:44 pm-12:01 pm

1 stop23h 17m

Santa Rosa Sonoma County

Sun 11/2

12:37 pm-12:15 pm

2 stops20h 38m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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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 27h 05m. 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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