$182 Cheap Flights from Montreal (YUL) to San Francisco (SFO)

View $182 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)

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

Prices were available within the past 7 days and start at $182 for one-way flights and $310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Dec 3 - Sat, Dec 6
YUL
Montreal
SFO
San Francisco
$310 Roundtrip, found 7 hours ago
$310
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Wed, Dec 3 from Montreal to San Francisco, returning Sat, Dec 6, priced at $310 found 7 hours ago
Air Canada
Thu, Oct 30 - Sun, Nov 9
YUL
Montreal
SFO
San Francisco
$316 Roundtrip, just found
$316
Roundtrip
just found
Select Air Canada flight, departing Thu, Oct 30 from Montreal to San Francisco, returning Sun, Nov 9, priced at $316 just found
Air Canada
Thu, Sep 25 - Fri, Sep 26
YUL
Montreal
SFO
San Francisco
$322 Roundtrip, found 6 days ago
$322
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Sep 25 from Montreal to San Francisco, returning Fri, Sep 26, priced at $322 found 6 days ago
Air Canada
Wed, Feb 11 - Wed, Feb 18
YUL
Montreal
SFO
San Francisco
$322 Roundtrip, found 12 hours ago
$322
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Wed, Feb 11 from Montreal to San Francisco, returning Wed, Feb 18, priced at $322 found 12 hours ago
WestJet
Mon, Apr 6 - Sun, Apr 26
YUL
Montreal
SFO
San Francisco
$324 Roundtrip, found 22 hours ago
$324
Roundtrip
found 22 hours ago
Select WestJet flight, departing Mon, Apr 6 from Montreal to San Francisco, returning Sun, Apr 26, priced at $324 found 22 hours ago
Air Canada
Sun, Nov 23 - Mon, Dec 1
YUL
Montreal
SFO
San Francisco
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Nov 23 from Montreal to San Francisco, returning Mon, Dec 1, priced at $324 found 6 days ago
Air Canada
Thu, Nov 6 - Mon, Nov 10
YUL
Montreal
SFO
San Francisco
$325 Roundtrip, found 12 hours ago
$325
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Thu, Nov 6 from Montreal to San Francisco, returning Mon, Nov 10, priced at $325 found 12 hours ago
United
Thu, Oct 30 - Sun, Nov 9
YUL
Montreal
SFO
San Francisco
$331 Roundtrip, just found
$331
Roundtrip
just found
Select United flight, departing Thu, Oct 30 from Montreal to San Francisco, returning Sun, Nov 9, priced at $331 just found
Porter Airlines
Tue, Dec 2 - Wed, Dec 3
YUL
Montreal
SFO
San Francisco
$334 Roundtrip, found 7 hours ago
$334
Roundtrip
found 7 hours ago
Select Porter Airlines flight, departing Tue, Dec 2 from Montreal to San Francisco, returning Wed, Dec 3, priced at $334 found 7 hours ago
American Airlines
Thu, Oct 30 - Sun, Nov 9
YUL
Montreal
SFO
San Francisco
$335 Roundtrip, just found
$335
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 30 from Montreal to San Francisco, returning Sun, Nov 9, priced at $335 just found

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

October is typically the cheapest month to fly

From $242 - $407 per traveler.

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO) cost?
Snag a cheap one-way flight from $182 or cheap return flight from $310 from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
The cheapest month to fly from YUL to SFO is December, when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
When jetting out of Pierre Elliott Trudeau Intl. Airport (YUL), you can hop on a nonstop flight to San Francisco Intl. Airport (SFO) with Air Canada.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from YUL to SFO. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
On average, Pierre Elliott Trudeau Intl. Airport (YUL) only offers 1 nonstop flight to San Francisco Intl. Airport (SFO) per day. To explore more options, try Expedia's easy-to-use filter tool. Enter your travel details, then select "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
More people fly between YUL and SFO at 6 PM than at any other time of day. Prefer a quieter experience? Consider flying outside peak hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from YUL to SFO?
Depart on a Friday if you're looking for the best selection of flights from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
The first flight of the day leaving Pierre Elliott Trudeau Intl. Airport (YUL) is at around 6:20PM UTC-5. Catch this flight and you'll arrive at San Francisco Intl. Airport (SFO) at approximately 9:51PM UTC-8. The entire trip takes 6h 31m.
How long does it take to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
Typically, it takes 6 hours and 31 minutes to travel the 2,500 mi from YUL to SFO.
What airline has the least delays from YUL to SFO?
With 86% of journeys typically landing on schedule, United Airlines has the best on-time performance for direct flights from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO). To check your flight status and receive notifications about any changes, use the Expedia App.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
To land at San Francisco Intl. Airport (SFO) on time, book a flight that leaves from Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Pierre Elliott Trudeau Intl. Airport (YUL)?
San Francisco Intl. Airport (SFO) is the only airport in San Francisco with direct flights from Pierre Elliott Trudeau Intl. Airport (YUL). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute bookings from YUL to SFO are usually more expensive. To secure the cheapest rates, start searching for flights ahead of time. That said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book a YUL to SFO flight and hotel package?
You'll generally save money by booking a YUL to SFO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your preferred flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to San Francisco Intl. Airport (SFO)?
If you booked your YUL to SFO flight in the last 24 hours, you may be able to cancel or modify it without 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, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, American Airlines, Delta, Porter Airlines, United, WestJet
Roundtrip price
$310
Distance
2532 mi
Average flight time
3 hours 7 mins

Book with confidence

Book with confidence

Montreal to San Francisco Flights

The cheapest times to fly from Montreal to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to San Francisco are during the month of December. You can find some of the cheapest flights from Montreal to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to San Francisco

Sunday is one of the best days to book for cheap flights from Montreal to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $182 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Montreal to San Francisco Flights

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*Available to One Key members.