$132 Cheap Flights from San Antonio (SAT) to Montreal (YUL)

View $132 flight on Wed, May 7, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Montreal–Trudeau Intl. Airport (YUL)

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Find available prices by choosing your travel dates.

Cheap Flights from San Antonio to Montreal (SAT-YUL)

Prices were available within the past 7 days and start at $132 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, May 8 - Mon, May 19
SAT
San Antonio
YUL
Montreal
$299 Roundtrip, found 4 hours ago
$299
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, May 8 from San Antonio to Montreal, returning Mon, May 19, priced at $299 found 4 hours ago
Delta
Fri, May 9 - Sun, May 11
SAT
San Antonio
YUL
Montreal
$300 Roundtrip, found 1 hour ago
$300
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, May 9 from San Antonio to Montreal, returning Sun, May 11, priced at $300 found 1 hour ago
United
Tue, May 6 - Tue, May 13
SAT
San Antonio
YUL
Montreal
$305 Roundtrip, found 1 day ago
$305
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 6 from San Antonio to Montreal, returning Tue, May 13, priced at $305 found 1 day ago
American Airlines
Tue, May 6 - Tue, May 13
SAT
San Antonio
YUL
Montreal
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 6 from San Antonio to Montreal, returning Tue, May 13, priced at $311 found 1 day ago
United
Sun, Jun 1 - Sat, Jun 14
SAT
San Antonio
YUL
Montreal
$322 Roundtrip, just found
$322
Roundtrip
just found
Select United flight, departing Sun, Jun 1 from San Antonio to Montreal, returning Sat, Jun 14, priced at $322 just found
United
Fri, May 9 - Sun, May 11
SAT
San Antonio
YUL
Montreal
$324 Roundtrip, found 1 hour ago
$324
Roundtrip
found 1 hour ago
Select United flight, departing Fri, May 9 from San Antonio to Montreal, returning Sun, May 11, priced at $324 found 1 hour ago
United
Tue, May 6 - Tue, May 13
SAT
San Antonio
YUL
Montreal
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 6 from San Antonio to Montreal, returning Tue, May 13, priced at $327 found 1 day ago
Delta
Fri, Sep 26 - Thu, Oct 2
SAT
San Antonio
YUL
Montreal
$328 Roundtrip, found 5 hours ago
$328
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, Sep 26 from San Antonio to Montreal, returning Thu, Oct 2, priced at $328 found 5 hours ago
United
Fri, May 9 - Sun, May 11
SAT
San Antonio
YUL
Montreal
$330 Roundtrip, found 1 hour ago
$330
Roundtrip
found 1 hour ago
Select United flight, departing Fri, May 9 from San Antonio to Montreal, returning Sun, May 11, priced at $330 found 1 hour ago
Air Canada
Tue, May 27 - Fri, May 30
SAT
San Antonio
YUL
Montreal
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, May 27 from San Antonio to Montreal, returning Fri, May 30, priced at $338 found 1 day ago
Flights from San Antonio (SAT) to Montreal (YUL)
Origin airport
San Antonio Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$288
Distance
1733 mi

San Antonio to Montreal Flights

The cheapest times to fly from San Antonio to Montreal

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 San Antonio to Montreal are during the month of May. You can find some of the cheapest flights from San Antonio to Montreal with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from San Antonio to Montreal: 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 San Antonio to Montreal

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 San Antonio to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $132 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 San Antonio to Montreal 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 San Antonio to Montreal 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.

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Discover the latest flight deals from SAT to YUL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SAT to YUL?
The cheapest flights from SAT to YUL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SAT to YUL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SAT to YUL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL)?
There aren’t any daily nonstop flights available from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from SAT to YUL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Opt for a flight from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Booking your flight from SAT to YUL right before your getaway is typically more expensive. But if there’s some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SAT to YUL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAT to YUL flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you booked your SAT to YUL 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 purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.