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Cheap flights from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport from C$ 172

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YUL
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Montreal Pierre Elliott Trudeau Intl are usually found in March or February, booked 66 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from San Francisco to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 28 January 2026.

Tue 24/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Fri 10/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Deal found 26/1C$ 414
Mon 2/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Thu 5/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Deal found 28/1C$ 431
Mon 16/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Tue 24/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Deal found 27/1C$ 446
Mon 27/46:45 p.m.
SFO
-
YUL
1 stop18h 42m
Multiple Airlines
Thu 30/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Multiple Airlines
Deal found 27/1C$ 447
Thu 9/41:45 p.m.
SFO
-
YUL
1 stop7h 50m
Porter Airlines
Mon 13/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Porter Airlines
Deal found 27/1C$ 451
Thu 4/66:05 p.m.
SFO
-
YUL
1 stop9h 55m
Multiple Airlines
Sun 7/66:45 a.m.
YUL
-
SFO
1 stop8h 35m
Multiple Airlines
Deal found 27/1C$ 452
Mon 2/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Fri 6/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Deal found 26/1C$ 454
Mon 16/31:45 p.m.
SFO
-
YUL
1 stop7h 47m
Porter Airlines
Fri 20/36:45 a.m.
YUL
-
SFO
1 stop8h 57m
Porter Airlines
Deal found 26/1C$ 455
Tue 24/37:32 p.m.
SFO
-
YUL
2 stops26h 06m
Multiple Airlines
Fri 10/46:45 a.m.
YUL
-
SFO
1 stop9h 00m
Multiple Airlines
Deal found 26/1C$ 461
Sat 6/66:05 p.m.
SFO
-
YUL
1 stop9h 55m
WestJet
Thu 11/66:45 a.m.
YUL
-
SFO
2 stops12h 55m
WestJet
Deal found 27/1C$ 465

Find 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 28 January 2026.

Round-trip from

C$ 414

One-way from

C$ 172

Popular in

December

Cheapest in

March

Average price

C$ 701

Good one-way deal

C$ 198 or less
Porter Airlines
  • Porter Airlines
  • 24/3-10/4
  • 2 total stops
  • 16h 47m total
  • San Francisco to Montreal
Search Deals
22/4
  • 22/4
  • 1 total stop
  • 18h 42m total
  • San Francisco to Montreal
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from San Francisco to Montreal Pierre Elliott Trudeau Intl.
Search Deals

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 629,999 searches. Data last updated 28 January 2026.
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

Thu 5/3

1:45 p.m.-12:32 a.m.

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

7:30 p.m.-12:10 p.m.

1 stop19h 40m

C$ 498

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 2/3

1:45 p.m.-12:32 a.m.

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

6:45 a.m.-12:42 p.m.

1 stop8h 57m

C$ 521

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 8/6

6:05 p.m.-7:00 a.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

8:00 p.m.-12:00 p.m.

1 stop19h 00m

C$ 528

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 8/6

6:05 p.m.-7:00 a.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

7:15 a.m.-4:40 p.m.

1 stop12h 25m

C$ 528

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 29/4

1:00 p.m.-12:40 a.m.

2 stops32h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

12:15 p.m.-9:55 p.m.

2 stops12h 40m

C$ 532

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 16/4

1:45 p.m.-12:35 a.m.

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:45 a.m.-9:34 p.m.

2 stops17h 49m

C$ 540

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 12/4

10:15 a.m.-4:55 p.m.

2 stops27h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

6:45 a.m.-12:45 p.m.

1 stop9h 00m

C$ 543

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 2/3

1:45 p.m.-12:32 a.m.

1 stop7h 47m

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

6:45 a.m.-12:42 p.m.

1 stop8h 57m

C$ 549

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 4/6

6:05 p.m.-7:00 a.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

7:25 p.m.-12:00 p.m.

2 stops19h 35m

C$ 551

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 7/6

1:20 p.m.-12:37 a.m.

1 stop8h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

8:00 p.m.-12:00 p.m.

1 stop19h 00m

C$ 573

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 21 results
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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 23 January 2026.

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 66 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, April is the cheapest month in which you can book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 215). Flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 447). 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 28 January 2026.

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

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 28 January 2026.
See what other customers who have flown with Porter Airlines and Air Canada from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Crew

8.6

Entertainment

6.9

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Crew

8.6

Entertainment

6.9

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,666 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Food

7.5

Boarding

8.2

Crew

8.6

Entertainment

6.9

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 19.0 km from the centre of San Francisco. There are 3 flights from San Francisco to Montreal Pierre Elliott Trudeau Intl per day from 2 different airlines.

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

    There are many flights that can get you from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport in 7h 47m. Fly via Porter Airlines or WestJet to get the fastest option. Airlines will cover a distance of 4073 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Our cheapest airline available from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport is Air Canada. Our recent data shows that you can find tickets from as low as C$ 269 on this airline. An additional option worth looking into is Porter Airlines, starting at C$ 397. Air Canada is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 176. Air Canada flights start at C$ 236 while deals on United Airlines start at C$ 237 one-way.

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

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from San Francisco, check out the most reliable airlines to get you to your destination on time: Air Canada (88%), Brussels Airlines (88%), United Airlines( 88%).

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

    On average you can expect to pay C$ 680 for a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 198 while the most popular route, (San Francisco - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 414.

  • 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, April is the cheapest month in which you can book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 215). Flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 447). 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
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from San Francisco to Pierre Elliott Trudeau Intl

Discover the top 2 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 629,999 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 269AverageC$ 697FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 397AverageC$ 769FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Pierre Elliott Trudeau Intl?

Cheapflights makes it easy to find San Francisco to Pierre Elliott Trudeau Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Pierre Elliott Trudeau Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Pierre Elliott Trudeau Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Francisco to Pierre Elliott Trudeau Intl with no change fees?

Yes! Cheapflights helps users easily find flights from San Francisco to Pierre Elliott Trudeau Intl with no change fees.

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

Not ready to book yet? You can track prices for flights from San Francisco to Pierre Elliott Trudeau Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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