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Cheap flights from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport from C$ 256

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YUL
26 Nov — 3 Dec1
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 February or March, booked 65 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 27 October 2025.

Round-trip from

C$ 473

One-way from

C$ 256

Popular in

December

Cheapest in

February

Average price

C$ 719

Good round-trip deal

C$ 578 or less

Good one-way deal

C$ 248 or less
4/12-8/12
  • 4/12-8/12
  • 5 total stops
  • 45h 25m total
  • San Francisco to Montreal
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10/12
  • 10/12
  • 3 total stops
  • 30h 53m total
  • San Francisco to Montreal
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Highest demand for flights based on searches. 7% potential increase in price (C$ 83 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
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Average for round-trip flights in October 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

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 27 October 2025.

Thu 4/1210:15 a.m.SFO - YUL
3 stops28h 25mMultiple Airlines
Mon 8/127:30 p.m.YUL - SFO
2 stops17h 00mMultiple Airlines
Deal found 26/10C$ 473
Sun 30/1110:15 a.m.SFO - YUL
1 stop27h 12mMultiple Airlines
Thu 4/126:45 a.m.YUL - SFO
2 stops16h 18mMultiple Airlines
Deal found 26/10C$ 514
Thu 11/1210:15 a.m.SFO - YUL
1 stop27h 12mMultiple Airlines
Thu 18/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 27/10C$ 515
Thu 4/121:00 p.m.SFO - YUL
1 stop15h 05mWestJet
Mon 8/127:30 p.m.YUL - SFO
1 stop19h 42mWestJet
Deal found 26/10C$ 543
Thu 4/121:00 p.m.SFO - YUL
1 stop15h 05mMultiple Airlines
Sun 7/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 26/10C$ 544
Mon 8/128:43 a.m.SFO - YUL
2 stops28h 44mMultiple Airlines
Fri 12/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 25/10C$ 549
Tue 2/1210:15 a.m.SFO - YUL
2 stops17h 50mMultiple Airlines
Thu 11/127:30 p.m.YUL - SFO
1 stop19h 42mMultiple Airlines
Deal found 24/10C$ 551
Tue 2/121:00 p.m.SFO - YUL
1 stop15h 05mWestJet
Thu 11/127:30 p.m.YUL - SFO
1 stop19h 42mWestJet
Deal found 24/10C$ 553

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 27 October 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

Thu 27/11

10:15 a.m.-5:40 p.m.

3 stops28h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

10:35 a.m.-9:30 a.m.

3 stops25h 55m

C$ 605

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 3/4

1:00 p.m.-12:38 a.m.

2 stops32h 38m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

6:45 a.m.-12:10 p.m.

2 stops32h 25m

C$ 733

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 16/1

11:20 p.m.-3:16 p.m.

1 stop12h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

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

Nonstop6h 32m

C$ 733

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 15/1

12:47 a.m.-1:42 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

12:54 p.m.-11:27 p.m.

1 stop13h 33m

C$ 754

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 7/1

11:59 p.m.-1:28 p.m.

2 stops10h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

9:15 a.m.-11:59 p.m.

2 stops17h 44m

C$ 775

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 27/11

10:15 a.m.-5:40 p.m.

3 stops28h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

7:20 p.m.-12:12 p.m.

3 stops43h 52m

C$ 803

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 1/2

12:47 a.m.-1:42 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

12:50 p.m.-9:48 p.m.

1 stop11h 58m

C$ 835

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sat 15/11

12:43 a.m.-5:10 p.m.

1 stop13h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

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

Nonstop6h 32m

C$ 840

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 23/11

12:43 a.m.-5:10 p.m.

1 stop13h 27m

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

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

Nonstop6h 32m

C$ 854

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Wed 3/12

4:49 p.m.-7:45 a.m.

1 stop11h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

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

Nonstop6h 32m

C$ 854

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 23 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 24 October 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, 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$ 220). Flying from San Francisco 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.

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 27 October 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 64% 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 27 October 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
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Food

7.6

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Food

7.6

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
8,999 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Food

7.6

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
10,367 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.6

Food

7.6

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 4 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 9h 55m. Fly via WestJet, Delta, or United Airlines 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$ 293 on this airline. Additional options worth looking into are Porter Airlines and United Airlines, starting at C$ 401 and C$ 611 round-trip. Air Canada is 57% 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 (81%), Brussels Airlines (77%), Air New Zealand( 68%).

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

    On average you can expect to pay C$ 712 for a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 243 while the most popular route, (San Francisco - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 473.

  • 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$ 220). Flying from San Francisco 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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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 629,999 searches. Data last updated 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 293AverageC$ 809FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 401AverageC$ 469FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 611AverageC$ 1,238FlexibilityNo 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.

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