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Cheap flights from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport from C$ 1,112

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
STS — YUL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Santa Rosa to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 17/1212:57 p.m.STS - YUL
2 stops20h 23mAmerican Airlines
Thu 25/127:08 a.m.YUL - STS
2 stops32h 21mAmerican Airlines
Deal found 10/12C$ 1,491
Wed 17/1212:57 p.m.STS - YUL
2 stops20h 23mAmerican Airlines
Fri 26/123:59 p.m.YUL - STS
2 stops23h 30mAmerican Airlines
Deal found 10/12C$ 1,640
Wed 17/1212:57 p.m.STS - YUL
2 stops23h 09mAmerican Airlines
Sat 27/127:30 a.m.YUL - STS
2 stops31h 59mAmerican Airlines
Deal found 10/12C$ 1,787
Thu 18/124:21 p.m.STS - YUL
2 stops19h 45mAmerican Airlines
Fri 26/1212:59 p.m.YUL - STS
2 stops26h 30mAmerican Airlines
Deal found 10/12C$ 1,936
Fri 19/1212:59 p.m.STS - YUL
2 stops23h 12mAmerican Airlines
Thu 25/127:08 a.m.YUL - STS
2 stops32h 21mAmerican Airlines
Deal found 10/12C$ 1,980
Thu 18/124:21 p.m.STS - YUL
2 stops19h 45mAmerican Airlines
Sat 27/127:30 a.m.YUL - STS
2 stops31h 59mAmerican Airlines
Deal found 10/12C$ 2,084
Fri 19/124:21 p.m.STS - YUL
2 stops19h 50mAmerican Airlines
Fri 26/123:59 p.m.YUL - STS
2 stops23h 30mAmerican Airlines
Deal found 10/12C$ 2,129
Fri 19/124:21 p.m.STS - YUL
2 stops27h 37mAmerican Airlines
Sat 27/127:30 a.m.YUL - STS
2 stops31h 59mAmerican Airlines
Deal found 10/12C$ 2,277
Wed 17/1212:57 p.m.STS - YUL
2 stops20h 23mAmerican Airlines
Wed 24/1212:59 p.m.YUL - STS
2 stops50h 30mAmerican Airlines
Deal found 10/12C$ 2,671
Thu 18/124:21 p.m.STS - YUL
2 stops27h 37mAmerican Airlines
Wed 24/1212:59 p.m.YUL - STS
2 stops50h 30mAmerican Airlines
Deal found 10/12C$ 3,161

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 12 December 2025.

Round-trip from

C$ 1,112

Popular in

December

Cheapest in

April

Average price

C$ 855
American Airlines
  • American Airlines
  • 25/1-1/2
  • 4 total stops
  • 43h 20m total
  • Santa Rosa to Montreal
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
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 629,999 searches. Data last updated 12 December 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 25/1

4:23 p.m.-3:08 p.m.

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

3:50 p.m.-12:25 p.m.

2 stops23h 35m

C$ 1,112

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Fri 20/3

4:23 p.m.-12:19 p.m.

2 stops16h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

4:00 p.m.-12:26 p.m.

2 stops23h 26m

C$ 1,222

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 18/3

4:23 p.m.-12:24 p.m.

2 stops17h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

7:12 a.m.-3:53 p.m.

2 stops11h 41m

C$ 1,222

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Thu 19/3

4:23 p.m.-3:08 p.m.

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

7:12 a.m.-3:53 p.m.

2 stops11h 41m

C$ 1,222

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 18/3

4:23 p.m.-3:08 p.m.

2 stops19h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

2:25 p.m.-12:26 p.m.

2 stops25h 01m

C$ 1,291

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Thu 19/3

12:58 p.m.-3:08 p.m.

2 stops23h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

2:25 p.m.-12:26 p.m.

2 stops25h 01m

C$ 1,291

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Thu 21/5

12:18 p.m.-4:25 p.m.

2 stops25h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

4:05 p.m.-11:41 a.m.

1 stop22h 36m

C$ 1,321

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Fri 20/3

4:23 p.m.-1:45 p.m.

2 stops18h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

7:12 a.m.-3:53 p.m.

2 stops11h 41m

C$ 1,380

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Sun 21/12

12:59 p.m.-3:24 p.m.

2 stops23h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 25/12

7:08 a.m.-12:29 p.m.

2 stops32h 21m

C$ 1,491

Santa RosaMontreal

STS - YUL

STSYUL

Santa Rosa Sonoma County

Wed 20/5

4:17 p.m.-12:15 p.m.

2 stops16h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

7:35 a.m.-3:35 p.m.

2 stops11h 00m

C$ 1,543

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 11 results
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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 C$ 228). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 484). 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 19h 45m. 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, June is the cheapest month in which you can book a flight from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 228). Flying from Santa Rosa to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 484). 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
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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

When you search for this flight from Santa Rosa to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Yes, we can. To see specific flights from Santa Rosa to Pierre Elliott Trudeau Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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