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Pierre Elliott Trudeau Intl

$806+ Cheap flights from Santa Rosa (STS) to Pierre Elliott Trudeau Intl (YUL)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — YUL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Santa Rosa to Pierre Elliott Trudeau Intl

Cheapest flights from Santa Rosa to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Santa Rosa to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1712:57 pmSTS - YUL
2 stops20h 23mAmerican Airlines
Thu 12/257:08 amYUL - STS
2 stops32h 21mAmerican Airlines
Deal found 12/10$1,081
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1712:57 pmSTS - YUL
2 stops20h 23mAmerican Airlines
Fri 12/263:59 pmYUL - STS
2 stops23h 30mAmerican Airlines
Deal found 12/10$1,189
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1712:57 pmSTS - YUL
2 stops23h 09mAmerican Airlines
Sat 12/277:30 amYUL - STS
2 stops31h 59mAmerican Airlines
Deal found 12/10$1,296
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/184:21 pmSTS - YUL
2 stops27h 18mAmerican Airlines
Tue 12/237:30 amYUL - STS
2 stops11h 21mAmerican Airlines
Deal found 12/10$1,404
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1912:59 pmSTS - YUL
2 stops23h 12mAmerican Airlines
Thu 12/257:08 amYUL - STS
2 stops32h 21mAmerican Airlines
Deal found 12/10$1,436
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/184:21 pmSTS - YUL
2 stops19h 45mAmerican Airlines
Sat 12/277:30 amYUL - STS
2 stops31h 59mAmerican Airlines
Deal found 12/10$1,511
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/194:21 pmSTS - YUL
2 stops19h 50mAmerican Airlines
Fri 12/263:59 pmYUL - STS
2 stops23h 30mAmerican Airlines
Deal found 12/10$1,544
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/194:21 pmSTS - YUL
2 stops27h 37mAmerican Airlines
Sat 12/277:30 amYUL - STS
2 stops31h 59mAmerican Airlines
Deal found 12/10$1,651
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1712:57 pmSTS - YUL
2 stops20h 23mAmerican Airlines
Wed 12/2412:59 pmYUL - STS
2 stops50h 30mAmerican Airlines
Deal found 12/10$1,937
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/184:21 pmSTS - YUL
2 stops27h 37mAmerican Airlines
Wed 12/2412:59 pmYUL - STS
2 stops50h 30mAmerican Airlines
Deal found 12/10$2,292

Find flight deals from Santa Rosa to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Pierre Elliott Trudeau Intl (YUL). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$745
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$620
Provider with most accurate pricing for San Francisco-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Montreal (YMQ) flights.
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From Santa Rosa Sonoma County to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Pierre Elliott Trudeau Intl 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 12, 2025.
Use the filters below to find and compare flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Santa Rosa

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Sun 1/25

4:23 pm-3:08 pm

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

3:50 pm-12:25 pm

2 stops23h 35m

$806

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Fri 3/20

4:23 pm-12:19 pm

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

4:00 pm-12:26 pm

2 stops23h 26m

$886

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 3/18

4:23 pm-12:24 pm

2 stops17h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

7:12 am-3:53 pm

2 stops11h 41m

$886

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Thu 3/19

4:23 pm-3:08 pm

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

7:12 am-3:53 pm

2 stops11h 41m

$886

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 3/18

4:23 pm-3:08 pm

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

2:25 pm-12:26 pm

2 stops25h 01m

$936

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Thu 3/19

12:58 pm-3:08 pm

2 stops23h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

2:25 pm-12:26 pm

2 stops25h 01m

$936

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Thu 5/21

12:18 pm-4:25 pm

2 stops25h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 5/24

4:05 pm-11:41 am

1 stop22h 36m

$958

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Fri 3/20

4:23 pm-1:45 pm

2 stops18h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

7:12 am-3:53 pm

2 stops11h 41m

$1,001

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 5/20

4:17 pm-12:15 pm

2 stops16h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 5/24

7:35 am-3:35 pm

2 stops11h 00m

$1,119

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 5/20

4:17 pm-1:40 pm

2 stops18h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 5/25

7:35 am-3:35 pm

2 stops11h 00m

$1,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 11 results
1
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Best time to book a flight from Santa Rosa to Pierre Elliott Trudeau Intl

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

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

Currently, June is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of $165). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of $351). 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 Pierre Elliott Trudeau Intl. 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 Montreal Pierre Elliott Trudeau Intl?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from Santa Rosa, you will be flying from 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 Sonoma County to Montreal Pierre Elliott Trudeau Intl per day from 0 different airlines.

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

    For as low as $806, American Airlines can have you in Montreal Pierre Elliott Trudeau Intl Airport from Santa Rosa in 19h 45m. The distance between Santa Rosa and Montreal Pierre Elliott Trudeau Intl Airport is about 2523 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of $165). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of $351). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Dorval

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