£133 Cheap Flights from San Francisco (SFO) to Montreal (YUL)

View £133 flight on Sun, 16 Aug 2026Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Trudeau International Airport (YUL)

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Cheap Flights from San Francisco (SFO) to Montreal (YUL)

Prices were available within the past 7 days and start at £133 for one-way flights and £296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Tue, 25 Aug - Wed, 23 Sept
SFO
San Francisco
YUL
Montreal
£296 Return, found 4 days ago
£296
Return
found 4 days ago
Select Porter Airlines flight, departing Tue, 25 Aug from San Francisco to Montreal, returning Wed, 23 Sept, priced at £296 found 4 days ago
Porter Airlines
Sat, 22 Aug - Sun, 20 Sept
SFO
San Francisco
YUL
Montreal
£300 Return, found 4 days ago
£300
Return
found 4 days ago
Select Porter Airlines flight, departing Sat, 22 Aug from San Francisco to Montreal, returning Sun, 20 Sept, priced at £300 found 4 days ago
WestJet
Tue, 25 Aug - Wed, 23 Sept
SFO
San Francisco
YUL
Montreal
£305 Return, found 4 days ago
£305
Return
found 4 days ago
Select WestJet flight, departing Tue, 25 Aug from San Francisco to Montreal, returning Wed, 23 Sept, priced at £305 found 4 days ago
WestJet
Tue, 25 Aug - Wed, 23 Sept
SFO
San Francisco
YUL
Montreal
£315 Return, found 4 days ago
£315
Return
found 4 days ago
Select WestJet flight, departing Tue, 25 Aug from San Francisco to Montreal, returning Wed, 23 Sept, priced at £315 found 4 days ago
WestJet
Thu, 13 Aug - Tue, 25 Aug
SFO
San Francisco
YUL
Montreal
£321 Return, found 1 day ago
£321
Return
found 1 day ago
Select WestJet flight, departing Thu, 13 Aug from San Francisco to Montreal, returning Tue, 25 Aug, priced at £321 found 1 day ago
Porter Airlines
Tue, 25 Aug - Wed, 23 Sept
SFO
San Francisco
YUL
Montreal
£322 Return, found 4 days ago
£322
Return
found 4 days ago
Select Porter Airlines flight, departing Tue, 25 Aug from San Francisco to Montreal, returning Wed, 23 Sept, priced at £322 found 4 days ago
WestJet
Thu, 13 Aug - Tue, 25 Aug
SFO
San Francisco
YUL
Montreal
£327 Return, found 1 day ago
£327
Return
found 1 day ago
Select WestJet flight, departing Thu, 13 Aug from San Francisco to Montreal, returning Tue, 25 Aug, priced at £327 found 1 day ago
Air Canada
Sun, 17 May - Sun, 24 May
SFO
San Francisco
YUL
Montreal
£344 Return, found 5 days ago
£344
Return
found 5 days ago
Select Air Canada flight, departing Sun, 17 May from San Francisco to Montreal, returning Sun, 24 May, priced at £344 found 5 days ago
American Airlines
Tue, 9 Jun - Tue, 16 Jun
SFO
San Francisco
YUL
Montreal
£349 Return, found 4 days ago
£349
Return
found 4 days ago
Select American Airlines flight, departing Tue, 9 Jun from San Francisco to Montreal, returning Tue, 16 Jun, priced at £349 found 4 days ago
Delta
Tue, 9 Jun - Tue, 16 Jun
SFO
San Francisco
YUL
Montreal
£349 Return, found 4 days ago
£349
Return
found 4 days ago
Select Delta flight, departing Tue, 9 Jun from San Francisco to Montreal, returning Tue, 16 Jun, priced at £349 found 4 days ago

Alternative airports near Montreal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pierre Elliott Trudeau Intl. YUL. Cheapest and Closest option available. Average driving time to city centre is 17 minutes. Flights from £344
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city centre17 min
Flights from £344

Find the cheapest month to fly from San Francisco (SFO) to Montreal (YUL)

May is typically the cheapest month to fly

From £276 - £527 per traveller.

Frequently asked questions

What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
September is typically the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), with average return fares of approximately £354. This is about 16% lower than the average price throughout the year. September often sees lower prices as the peak summer travel season ends and demand decreases. Other cheap months to fly from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) include April and May.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Enter SFO to YUL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) will differ from traveller to traveller. If you like to fly early, AC offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Based on booking data from the past year, the cheapest months to fly from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) are typically September and April, with average prices around £354 for a return flight. While October is the most popular month for this route, offering plenty of flight options, it's not one of the cheapest. If you're looking for the best value, aiming for September or April will help you find lower fares.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
When flying from San Francisco International (SFO) to Montreal, QC (YUL), you'll find approximately 2 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 148 connecting flights daily. Some common connection points include O'Hare Intl. (ORD), Los Angeles Intl. (LAX), and Vancouver Intl. (YVR).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The earliest flight from San Francisco International Airport (SFO) to Pierre Elliott Trudeau International Airport (YUL) typically departs at approximately 12:05 AM local time, operated by United Airlines and Air Canada. This is a seasonal service active in April. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
You'll typically find the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) on a Thursday, with around 63 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Delta Air Lines, and American Airlines. When looking at the overall week, Thursday offers notably more flight options compared to other days.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The most popular departure times for flights from San Francisco International Airport (SFO) to Pierre Elliott Trudeau International Airport (YUL) are in the early morning, from 6am to 9am. Approximately 33% of passengers prefer this time window. Many major carriers, including Air Canada and United Airlines, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive at your destination with plenty of time.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Direct flights from SFO to YUL usually take about 5 hours 30 minutes, traveling roughly 2,533 miles. If you opt for a connecting flight, expect to add around 3 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Select the "Business class" and "First class" filters when looking for SFO to YUL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Montreal from San Francisco Intl. (SFO)?
From San Francisco Intl. (SFO), you can fly directly into Pierre Elliott Trudeau Intl. (YUL) to reach Montreal. Some flights may connect through major hubs like Los Angeles Intl. (LAX), Vancouver Intl. (YVR), Denver Intl. (DEN) before reaching Montreal. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, Porter Airlines, United, WestJet
Return price
£296
Distance
4052 km
Average flight time
8 hours 45 mins

Book with confidence

Compare flights from San Francisco to Montreal easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Montreal. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Pierre Elliott Trudeau Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Pierre Elliott Trudeau Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Pierre Elliott Trudeau Intl. (YUL)

The easiest way to view the best deals on flights from San Francisco to Montreal today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Pierre Elliott Trudeau Intl. start at just £296 and range up to £349.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Montreal
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Montreal flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Pierre Elliott Trudeau Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Francisco to Montreal easily and book with confidence

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*Available to Expedia members.