In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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

Our data shows that February tends to be the cheapest month to fly to Santa Rosa from Montreal Pierre Elliott Trudeau Intl Airport. Users have commonly found prices around $418 for the month, but tickets can be as low as $243. Due to multiple factors, prepare for potentially higher prices in December.

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

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

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 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.

$337+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa

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

To save up to 78% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa from $366 1-2 weeks out and tickets from $747 for flights departing within the next 72 hours.

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Cheap flight deals from Pierre Elliott Trudeau Intl to Santa Rosa

Round-trip from	$496 (Trip.com)
One-way from	$337 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$482

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 ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 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 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 July 3, 2025.

Wed 10/17:00 amYUL - STS

2 stops15h 12mMultiple Airlines

Wed 10/87:00 amSTS - YUL

2 stops45h 07mMultiple Airlines

Deal found 7/1

$496

Wed 10/17:50 amYUL - STS

2 stops10h 58mAmerican Airlines

Wed 10/812:31 pmSTS - YUL

1 stop23h 23mAmerican Airlines

Deal found 7/1

$747

Best flights from Pierre Elliott Trudeau Intl to Santa Rosa
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 10/17:00 amYUL - STS

2 stops15h 12mMultiple Airlines

Wed 10/87:00 amSTS - YUL

2 stops45h 07mMultiple Airlines

Deal found 7/1

$496

Wed 10/17:50 amYUL - STS

2 stops10h 58mAmerican Airlines

Wed 10/812:31 pmSTS - YUL

1 stop23h 23mAmerican Airlines

Deal found 7/1

$747

One-way flights from Pierre Elliott Trudeau Intl to Santa Rosa
Search for one-way flight options from Pierre Elliott Trudeau Intl to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 7/83:10 pmYUL - STS

2 stops26h 15mMultiple Airlines

Deal found 7/1

$337

Mon 9/13:44 pmYUL - STS

1 stop22h 53mAmerican Airlines

Deal found 7/1

$381

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

7:00 am-7:12 pm

2 stops15h 12m

Santa Rosa Sonoma County

Wed 10/8

7:00 am-7:07 am

2 stops45h 07m

$496

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

7:50 am-3:48 pm

2 stops10h 58m

Santa Rosa Sonoma County

Wed 10/8

12:31 pm-2:54 pm

1 stop23h 23m

$747

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Tue 7/8

3:10 pm-2:25 pm

2 stops26h 15m

$337

MontrealSanta Rosa

YUL - STS

YULSTS

Montreal Pierre Elliott Trudeau Intl

Mon 9/1

3:44 pm-11:37 am

1 stop22h 53m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

Reviews of airlines servicing Santa Rosa

Read reviews from past customers who have flown American Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Related info for your journey

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.
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.

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$337+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from Pierre Elliott Trudeau Intl to Santa Rosa

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Find flight deals from Pierre Elliott Trudeau Intl to Santa Rosa

Cheapest flights from Pierre Elliott Trudeau Intl to Santa RosaExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

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?

Reviews of airlines servicing Santa Rosa

Read reviews from past customers who have flown American Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I 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?

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

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

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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 July 3, 2025.