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Santa Rosa

$363+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STS
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap 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 February 20, 2026.

This Trip.com deal was found by Cheapflights users on 2/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:15 am
YUL
-
STS
2 stops17h 07m
Multiple Airlines
Sun 6/77:59 am
STS
-
YUL
2 stops20h 06m
Multiple Airlines
Deal found 2/17$549
This American Airlines deal was found by Cheapflights users on 2/18. 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 7/812:30 pm
YUL
-
STS
2 stops27h 05m
American Airlines
Sun 7/121:05 pm
STS
-
YUL
2 stops23h 12m
American Airlines
Deal found 2/18$642
This American Airlines deal was found by Cheapflights users on 2/18. 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 7/77:29 am
YUL
-
STS
2 stops31h 56m
American Airlines
Mon 7/131:05 pm
STS
-
YUL
2 stops41h 46m
American Airlines
Deal found 2/18$657
This American Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 4/37:30 am
YUL
-
STS
2 stops11h 23m
American Airlines
Fri 4/104:23 pm
STS
-
YUL
2 stops16h 21m
American Airlines
Deal found 2/16$925
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 6/47:51 am
YUL
-
STS
2 stops10h 59m
American Airlines
Sun 6/71:00 pm
STS
-
YUL
1 stop22h 44m
American Airlines
Deal found 2/17$1,012
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 7/67:29 am
YUL
-
STS
2 stops15h 48m
American Airlines
Mon 7/136:20 am
STS
-
YUL
2 stops13h 33m
American Airlines
Deal found 2/18$2,467
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 7/67:29 am
YUL
-
STS
2 stops15h 48m
American Airlines
Sun 7/126:20 am
STS
-
YUL
2 stops13h 33m
American Airlines
Deal found 2/18$2,624

Find 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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$549
(Trip.com)

One-way from

$363
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$401
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Santa Rosa Sonoma County flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Santa Rosa Sonoma County flights.
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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. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 20, 2026.
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

Thu 6/4

7:15 am-9:22 pm

2 stops17h 07m

Santa Rosa Sonoma County

Sun 6/7

7:59 am-7:05 am

2 stops20h 06m

$549

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Wed 7/8

12:30 pm-12:35 pm

2 stops27h 05m

Santa Rosa Sonoma County

Sun 7/12

1:05 pm-3:17 pm

2 stops23h 12m

$642

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

12:30 pm-12:35 pm

2 stops27h 05m

Santa Rosa Sonoma County

Mon 7/13

1:05 pm-2:41 pm

1 stop22h 36m

$657

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Wed 7/8

5:44 pm-12:35 pm

2 stops21h 51m

Santa Rosa Sonoma County

Mon 7/13

1:05 pm-2:41 pm

1 stop22h 36m

$657

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Fri 4/3

7:30 am-3:53 pm

2 stops11h 23m

Santa Rosa Sonoma County

Fri 4/10

4:23 pm-11:44 am

2 stops16h 21m

$925

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Thu 6/4

7:51 am-3:50 pm

2 stops10h 59m

Santa Rosa Sonoma County

Sun 6/7

1:00 pm-2:44 pm

1 stop22h 44m

$1,012

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Mon 7/6

7:29 am-8:17 pm

2 stops15h 48m

Santa Rosa Sonoma County

Mon 7/13

6:20 am-10:53 pm

2 stops13h 33m

$2,467

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Mon 7/6

7:29 am-8:17 pm

2 stops15h 48m

Santa Rosa Sonoma County

Sun 7/12

6:20 am-10:53 pm

2 stops13h 33m

$2,624

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

3:45 pm-12:26 pm

2 stops23h 41m

$363

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Tue 3/31

3:45 pm-12:26 pm

2 stops23h 41m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 13 results
1
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Compare providers for flights from Pierre Elliott Trudeau Intl to Santa Rosa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Santa Rosa in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Santa Rosa 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 Montreal Pierre Elliott Trudeau Intl Airport-Santa Rosa 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 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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa (average of $167). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa in December is currently the most expensive (average of $321). 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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa (average of $167). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa in December is currently the most expensive (average of $321). 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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Ukiah

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