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Pierre Elliott Trudeau Intl

$185+ Cheap flights from San Francisco (SFO) 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YUL
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Montreal Pierre Elliott Trudeau Intl are usually found in February or March, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from San Francisco to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$354
(Kiwi.com)

One-way from

$185
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$474

Good round-trip deal

$545 or less

Good one-way deal

$254 or less
Provider with most accurate pricing for San Francisco-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Montreal Pierre Elliott Trudeau Intl flights.
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From San Francisco to Montreal Pierre Elliott Trudeau Intl
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One-way flight from San Francisco to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 10% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Francisco to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from San Francisco to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from San Francisco to Pierre Elliott Trudeau Intl

Cheapest flights from San Francisco to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from San Francisco to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:15 amSFO - YUL
1 stop27h 12mMultiple Airlines
Tue 11/46:45 amYUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 9/28$354
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:15 amSFO - YUL
3 stops28h 25mMultiple Airlines
Mon 11/36:45 amYUL - SFO
2 stops29h 45mMultiple Airlines
Deal found 9/27$355
This Mytrip deal was found by Cheapflights users on 9/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:15 amSFO - YUL
3 stops28h 25mMultiple Airlines
Wed 11/54:15 pmYUL - SFO
3 stops20h 15mMultiple Airlines
Deal found 9/28$359
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:15 amSFO - YUL
3 stops28h 25mMultiple Airlines
Sun 11/25:45 amYUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 9/27$368
This Trip.com deal was found by Cheapflights users on 9/26. 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.
Tue 11/41:00 pmSFO - YUL
1 stop23h 12mMultiple Airlines
Sat 11/86:45 amYUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 9/26$380
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:45 amSFO - YUL
2 stops15h 42mMultiple Airlines
Mon 10/276:45 amYUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 9/27$385
This Booking.com deal was found by Cheapflights users on 9/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:40 amSFO - YUL
Nonstop5h 25mAir Canada
Fri 10/248:05 amYUL - SFO
Nonstop6h 06mAir Canada
Deal found 9/27$388
This Booking.com deal was found by Cheapflights users on 9/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:30 amSFO - YUL
Nonstop5h 30mAir Canada
Sat 10/258:05 amYUL - SFO
Nonstop6h 06mAir Canada
Deal found 9/28$389
This Trip.com deal was found by Cheapflights users on 9/27. 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.
Sat 10/1811:35 amSFO - YUL
1 stop10h 01mMultiple Airlines
Fri 10/246:45 amYUL - SFO
1 stop8h 38mMultiple Airlines
Deal found 9/27$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 2,558,603 searches. Data last updated September 29, 2025.
Use the filters below to find and compare flights from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

San Francisco

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 10/13

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

6:30 pm-9:40 pm

Nonstop6h 10m

$514

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 10/13

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Thu 10/23

6:30 pm-9:40 pm

Nonstop6h 10m

$514

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 10/12

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:30 pm-9:40 pm

Nonstop6h 10m

$514

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 10/14

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

6:30 pm-9:40 pm

Nonstop6h 10m

$514

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sat 10/11

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:30 pm-9:40 pm

Nonstop6h 10m

$514

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 10/14

11:25 pm-1:09 pm

1 stop10h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:30 pm-9:40 pm

Nonstop6h 10m

$524

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 10/13

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

6:30 pm-9:40 pm

Nonstop6h 10m

$568

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 10/14

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:30 pm-9:40 pm

Nonstop6h 10m

$579

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 10/12

11:45 pm-8:16 am

Nonstop5h 31m

Montreal Pierre Elliott Trudeau Intl

Thu 10/16

6:30 pm-9:40 pm

Nonstop6h 10m

$579

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sat 12/13

10:15 am-12:43 am

2 stops35h 28m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/26

Showing 1-10 of 19 results
1
2

Compare providers for flights from San Francisco to Pierre Elliott Trudeau Intl

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 San Francisco to Pierre Elliott Trudeau Intl in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust 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 San Francisco-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Montreal Pierre Elliott Trudeau Intl Airport 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 San Francisco-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Francisco to Montreal Pierre Elliott Trudeau Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Montreal Pierre Elliott Trudeau Intl Airport trip
Airports
SFO

For a smooth departure, use the AirTrain to navigate SFO's terminals and reach your gate efficiently.

Read more about SFOby Harriet Baskas
YUL

Take the Line 747 bus for an affordable ride to downtown Montreal, with frequent departures every 10 to 15 minutes.

Read more about YULby John Walton
Our travel experts
John Walton

John Walton

Expert on YUL

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Best time to book a flight from San Francisco to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from San Francisco 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 San Francisco to Montreal Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Pierre Elliott Trudeau Intl. Price data was last updated on September 26, 2025.

The price you pay for your flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from San Francisco 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.

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

Find hourly flight availability from San Francisco to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

It’s typically best to fly out from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. Doing so could potentially save you 66% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Pierre Elliott Trudeau Intl. Price data was last updated on September 28, 2025.

Travelers seeking maximum savings on their San Francisco to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated September 29, 2025.
Get a feel of what it's like to fly with Porter Airlines, United Airlines, and Air Canada from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
370 reviews

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
370 reviews
Porter Airlines
7.9
Good
370 reviews

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,924 reviews
Porter Airlines
7.9
Good
370 reviews

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
370 reviews

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 San Francisco to Montreal Pierre Elliott Trudeau Intl?

    For a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 7 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. 3 airlines have flights to Montreal Pierre Elliott Trudeau Intl from San Francisco on a regular basis.

  • How long is the flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

    A quick flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport can take about 5h 31m. United Airlines provides one of the quickest options available for as low as $514. Airlines will cover a distance of 2531 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Currently priced at $147, Porter Airlines will fly you from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $209 and $300, respectively. These flights start at 70% lower than the current average price 3 months from now.

  • What are the most reliable airlines from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

    Consider Air Canada (75%), United Airlines (71%) or Brussels Airlines (71%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport.

  • What are the cheapest flights from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

    The cheapest flight price from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport is $183. On average you can expect to pay $1,131. The most popular route, (San Francisco - Montreal Pierre Elliott Trudeau Intl), can usually be booked for $334.

  • Can I find deals for flights from San Francisco to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on San Francisco to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco 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 San Francisco to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from San Francisco to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from San Francisco 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 San Francisco to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from San Francisco 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.

See more FAQs

Traveling 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
Longueuil
Brossard
Sherbrooke
Dorval

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Alternative routes for San Francisco to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from San Francisco to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from San Francisco to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$147Average$312FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$209Average$541FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$300Average$572FlexibilityNo cancel feeOn-time69%

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