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Cheap flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport from C$ 1,262

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STS — YUL
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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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 28 October 2025.

Sun 12/44:17 p.m.STS - YUL
2 stops27h 33mAmerican Airlines
Tue 14/412:30 p.m.YUL - STS
2 stops30h 17mAmerican Airlines
Deal found 25/10C$ 1,262

Cheap 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 28 October 2025.

Round-trip from

C$ 1,262

Popular in

December

Cheapest in

April

Average price

C$ 713
American Airlines
  • American Airlines
  • 12/4-14/4
  • 4 total stops
  • 57h 50m total
  • Santa Rosa to Montreal
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Highest demand for flights based on searches. 10% potential increase in price (C$ 121 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
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Average for round-trip flights in October 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 629,999 searches. Data last updated 28 October 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 12/4

4:17 p.m.-10:50 p.m.

2 stops27h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

12:30 p.m.-3:47 p.m.

2 stops30h 17m

C$ 1,262

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

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, October is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 186). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 491). 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?

    Santa Rosa Sonoma County (STS), located 11.5 km from the city centre, is the airport you fly out of when you book flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Sonoma County to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Santa Rosa Sonoma County to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

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

    American Airlines can get you from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in just under 27h 33m. Your travel time can differ by up to . Santa Rosa and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 4060 km.

  • 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, October is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 186). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 491). 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

Travelling 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
Dorval
Cornwall
Sherbrooke
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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How does Cheapflights help users find flights from Santa Rosa to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Santa Rosa to Pierre Elliott Trudeau Intl with no change fees?

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Can Cheapflights notify me if prices for flights from Santa Rosa to Pierre Elliott Trudeau Intl become cheaper?

Yes! Start tracking prices for Santa Rosa to Pierre Elliott Trudeau Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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