In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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

Our data shows that April tends to be the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Santa Rosa. Users have commonly found prices around $529 for the month, but tickets can be as low as $188. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from STS to YUL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

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 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.

$541+ Flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport

Q: How far in advance should I book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport?

To save on the cost of your flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport, book at least 56 days before your planned departure. Booking around this time can save you about 96% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $444 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $800.

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Cheap flight deals from Santa Rosa to Pierre Elliott Trudeau Intl

Round-trip from	$695 (American Airlines)
One-way from	$541 (American Airlines)
Popular in	December
Cheapest in	April
Average price	$587

From Santa Rosa Sonoma County to Montreal Pierre Elliott Trudeau Intl

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One-way flight from Santa Rosa Sonoma County to Montreal Pierre Elliott Trudeau Intl

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Highest demand for flights based on searches. 14% potential increase in price ($89 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find 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 July 29, 2025.

Tue 9/94:19 pmSTS - YUL

2 stops38h 39mAmerican Airlines

Fri 9/1912:31 pmYUL - STS

2 stops26h 58mAmerican Airlines

Deal found 7/28

$695

Best flights from Santa Rosa to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Santa Rosa to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 9/94:19 pmSTS - YUL

2 stops38h 39mAmerican Airlines

Fri 9/1912:31 pmYUL - STS

2 stops26h 58mAmerican Airlines

Deal found 7/28

$695

One-way flights from Santa Rosa to Pierre Elliott Trudeau Intl
Search for one-way flight options from Santa Rosa to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 8/54:16 pmSTS - YUL

2 stops17h 00mAmerican Airlines

Deal found 7/29

$541

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Tue 9/9

4:19 pm-9:58 am

2 stops38h 39m

Montreal Pierre Elliott Trudeau Intl

Fri 9/19

12:31 pm-12:29 pm

2 stops26h 58m

$695

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Tue 8/5

4:16 pm-12:16 pm

2 stops17h 00m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, January is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

Related info for your journey

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.
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, January is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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.

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$541+ Cheap flights from Santa Rosa (STS) to Pierre Elliott Trudeau Intl (YUL)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santa Rosa to Pierre Elliott Trudeau Intl with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Santa Rosa to Pierre Elliott Trudeau Intl

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Find flight deals from Santa Rosa to Pierre Elliott Trudeau Intl

Cheapest flights from Santa Rosa to Pierre Elliott Trudeau IntlExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

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.

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?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I 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?

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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

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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 July 29, 2025.