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Cheap flights from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport from C$ 257

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YUL
16 Nov — 23 Nov1
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 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 17 October 2025.

Round-trip from

C$ 470

One-way from

C$ 257

Popular in

December

Cheapest in

February

Average price

C$ 722

Good one-way deal

C$ 370 or less
Porter Airlines
  • Porter Airlines
  • 6/12-10/12
  • 3 total stops
  • 29h 40m total
  • San Francisco to Montreal
Search Deals
28/11
  • 28/11
  • 1 total stop
  • 21h 32m total
  • San Francisco to Montreal
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 17 October 2025.

Sun 7/1210:15 a.m.SFO - YUL
1 stop27h 12mMultiple Airlines
Thu 11/126:45 a.m.YUL - SFO
2 stops18h 18mMultiple Airlines
Deal found 16/10C$ 466
Sat 29/1110:15 a.m.SFO - YUL
2 stops25h 57mMultiple Airlines
Fri 5/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 14/10C$ 472
Sat 29/1110:15 a.m.SFO - YUL
2 stops25h 57mMultiple Airlines
Tue 2/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 14/10C$ 479
Mon 24/111:40 p.m.SFO - YUL
1 stop7h 55mMultiple Airlines
Mon 8/127:30 p.m.YUL - SFO
1 stop19h 42mMultiple Airlines
Deal found 14/10C$ 484
Sun 7/1210:15 a.m.SFO - YUL
1 stop27h 12mMultiple Airlines
Tue 9/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 16/10C$ 487
Thu 27/1110:15 a.m.SFO - YUL
1 stop27h 12mMultiple Airlines
Fri 5/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 14/10C$ 489
Mon 24/111:40 p.m.SFO - YUL
1 stop7h 55mMultiple Airlines
Thu 4/126:45 a.m.YUL - SFO
2 stops18h 18mMultiple Airlines
Deal found 14/10C$ 490
Fri 28/111:00 p.m.SFO - YUL
2 stops24h 27mMultiple Airlines
Tue 2/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 14/10C$ 491
Tue 25/111:40 p.m.SFO - YUL
1 stop7h 55mMultiple Airlines
Mon 8/127:30 p.m.YUL - SFO
1 stop19h 42mMultiple Airlines
Deal found 14/10C$ 493
Thu 27/1110:15 a.m.SFO - YUL
1 stop27h 12mMultiple Airlines
Tue 2/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 14/10C$ 496
Fri 28/111:00 p.m.SFO - YUL
1 stop21h 32mMultiple Airlines
Fri 5/126:45 a.m.YUL - SFO
1 stop8h 55mMultiple Airlines
Deal found 14/10C$ 497

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 17 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

Sat 8/11

6:00 a.m.-11:21 p.m.

2 stops14h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

7:10 a.m.-11:55 p.m.

2 stops19h 45m

C$ 720

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 11/11

6:00 a.m.-11:42 p.m.

2 stops14h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

6:00 a.m.-10:53 p.m.

2 stops19h 53m

C$ 720

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 7/11

6:00 a.m.-11:21 p.m.

2 stops14h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

12:50 p.m.-8:56 a.m.

2 stops23h 06m

C$ 720

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

Tue 25/11

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

1 stop8h 55m

C$ 725

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$ 725

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 16/11

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

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

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

1 stop8h 55m

C$ 734

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 7/11

6:00 a.m.-11:21 p.m.

2 stops14h 21m

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

6:00 a.m.-2:15 p.m.

1 stop11h 15m

C$ 741

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 7/11

10:57 p.m.-12:02 p.m.

1 stop10h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

7:10 a.m.-11:55 p.m.

2 stops19h 45m

C$ 741

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 10/11

9:30 p.m.-6:40 p.m.

2 stops18h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

6:00 a.m.-10:53 p.m.

2 stops19h 53m

C$ 750

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Fri 7/11

6:00 a.m.-11:21 p.m.

2 stops14h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

9:26 a.m.-12:13 a.m.

2 stops17h 47m

C$ 750

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/10

Showing 1-10 of 22 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 10 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$ 493). 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 17 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 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 17 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
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

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
381 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

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
8,982 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

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
10,307 reviews
Porter Airlines
8.0
Very good
381 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Boarding

8.2

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 9 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 Delta or Porter 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 Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 223 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at C$ 294 and C$ 333 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 (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$ 838 for a flight from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 244 while the most popular route, (San Francisco - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 424.

  • 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$ 493). 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

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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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 223AverageC$ 790FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 294AverageC$ 743FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 333AverageC$ 1,242FlexibilityNo 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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