Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport from C$ 243

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Francisco to Montreal Pierre Elliott Trudeau Intl are usually found in February or March, booked 15 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

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 11 September 2025.

Round-trip from

C$ 500

One-way from

C$ 243

Popular in

December

Cheapest in

February

Average price

C$ 608

Good round-trip deal

C$ 955 or less

Good one-way deal

C$ 473 or less
Air Canada
  • Air Canada
  • 6/10-15/10
  • 2 total stops
  • 36h 48m total
  • San Francisco to Montreal
Search Deals
WestJet
  • WestJet
  • 3/10
  • 2 total stops
  • 32h 37m total
  • San Francisco to Montreal
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from San Francisco to Montreal Pierre Elliott Trudeau Intl.
Search Deals

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 11 September 2025.

Mon 6/102:45 p.m.SFO - YUL
2 stops30h 42mMultiple Airlines
Wed 15/108:05 a.m.YUL - SFO
Nonstop6h 06mMultiple Airlines
Deal found 11/9C$ 500
Tue 14/1012:50 p.m.SFO - YUL
3 stops27h 30mMultiple Airlines
Thu 23/106:55 p.m.YUL - SFO
1 stop17h 35mMultiple Airlines
Deal found 9/9C$ 503
Fri 3/1012:50 p.m.SFO - YUL
2 stops32h 37mWestJet
Sun 5/106:45 a.m.YUL - SFO
2 stops34h 12mWestJet
Deal found 11/9C$ 509
Sat 11/1012:50 p.m.SFO - YUL
1 stop8h 51mMultiple Airlines
Sat 18/106:45 a.m.YUL - SFO
1 stop8h 38mMultiple Airlines
Deal found 10/9C$ 510
Fri 21/111:40 p.m.SFO - YUL
1 stop8h 10mPorter Airlines
Fri 28/116:45 a.m.YUL - SFO
1 stop8h 55mPorter Airlines
Deal found 10/9C$ 511
Wed 1/1012:50 p.m.SFO - YUL
1 stop8h 51mMultiple Airlines
Sat 4/106:45 a.m.YUL - SFO
1 stop8h 38mMultiple Airlines
Deal found 10/9C$ 513
Wed 8/108:00 a.m.SFO - YUL
2 stops13h 37mMultiple Airlines
Wed 15/106:45 a.m.YUL - SFO
1 stop8h 38mMultiple Airlines
Deal found 10/9C$ 514
Wed 1/101:25 p.m.SFO - YUL
1 stop8h 12mPorter Airlines
Wed 8/106:45 a.m.YUL - SFO
1 stop8h 38mPorter Airlines
Deal found 10/9C$ 516
Tue 14/1012:50 p.m.SFO - YUL
1 stop8h 51mWestJet
Fri 17/107:00 a.m.YUL - SFO
1 stop17h 24mWestJet
Deal found 10/9C$ 518
Thu 13/115:45 a.m.SFO - YUL
2 stops15h 58mMultiple Airlines
Wed 19/116:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 11/9C$ 520
Sat 11/1011:40 a.m.SFO - YUL
Nonstop5h 25mAir Canada
Fri 17/108:05 a.m.YUL - SFO
Nonstop6h 06mAir Canada
Deal found 10/9C$ 521

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 11 September 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

Tue 11/11

10:15 a.m.-4:27 p.m.

1 stop27h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

6:45 a.m.-8:53 a.m.

2 stops29h 08m

C$ 510

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 12/11

8:00 a.m.-12:35 a.m.

2 stops13h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 543

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 12/11

8:00 a.m.-12:35 a.m.

2 stops13h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 543

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 7/10

10:15 a.m.-7:17 p.m.

1 stop30h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

6:45 a.m.-12:23 p.m.

1 stop8h 38m

C$ 561

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 13/11

1:40 p.m.-12:35 a.m.

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 571

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 12/11

1:40 p.m.-12:35 a.m.

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 571

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 10/11

1:40 p.m.-12:35 a.m.

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 576

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 10/11

1:40 p.m.-12:35 a.m.

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 576

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sat 28/2

8:25 a.m.-8:18 p.m.

1 stop8h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

5:50 p.m.-9:22 p.m.

Nonstop6h 32m

C$ 578

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 16/2

12:40 a.m.-1:49 p.m.

1 stop10h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

4:55 p.m.-10:47 p.m.

1 stop8h 52m

C$ 599

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 23 results
1
2
3

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 29 August 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 15 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, October is the cheapest month in which you can book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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 11 September 2025.

When flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 62% versus a flight in the morning.

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 11 September 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andAir 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
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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?

    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 8 flights from San Francisco to Montreal Pierre Elliott Trudeau Intl per day from 3 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 55m. Fly via Porter Airlines to get the fastest option. Airlines will cover a distance of 4073 km.

  • 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 Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 220 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at C$ 304 and C$ 328 round-trip. Porter Airlines is 68% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 (74%), United Airlines (74%), Brussels Airlines( 71%).

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

    On average you can expect to pay C$ 1,190 for a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 261 while the most popular route, (San Francisco - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 410.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.
Los Angeles to Pierre Elliott Trudeau Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Jose to Pierre Elliott Trudeau Intl flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Sacramento to Pierre Elliott Trudeau Intl flights
Oakland to Pierre Elliott Trudeau Intl flights
Burbank to Pierre Elliott Trudeau Intl flights
Fresno to Pierre Elliott Trudeau Intl flights
Long Beach to Pierre Elliott Trudeau Intl flights
Tijuana to Pierre Elliott Trudeau Intl flights
Santa Barbara to Pierre Elliott Trudeau Intl flights
Monterey to Pierre Elliott Trudeau Intl flights
Medford to Pierre Elliott Trudeau Intl flights
Santa Rosa to Pierre Elliott Trudeau Intl flights

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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 220AverageC$ 450FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 304AverageC$ 714FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 328AverageC$ 1,226FlexibilityNo cancel feeOn-time69%
Search United 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.