$125 Cheap Flights from San Juan (SJU) to Montreal (YUL)

View $125 flight on Thu, May 8, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Montreal (SJU-YUL)

Prices were available within the past 7 days and start at $125 for one-way flights and $314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Apr 26 - Mon, May 5
SJU
San Juan
YUL
Montreal
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 26 from San Juan to Montreal, returning Mon, May 5, priced at $314 found 3 days ago
United
Sat, Apr 26 - Tue, May 6
SJU
San Juan
YUL
Montreal
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 26 from San Juan to Montreal, returning Tue, May 6, priced at $314 found 2 days ago
American Airlines
Thu, May 15 - Mon, May 19
SJU
San Juan
YUL
Montreal
$324 Roundtrip, found 8 hours ago
$324
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, May 15 from San Juan to Montreal, returning Mon, May 19, priced at $324 found 8 hours ago
United
Sat, Apr 26 - Wed, May 7
SJU
San Juan
YUL
Montreal
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 26 from San Juan to Montreal, returning Wed, May 7, priced at $364 found 3 days ago
United
Sat, Apr 26 - Thu, May 8
SJU
San Juan
YUL
Montreal
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 26 from San Juan to Montreal, returning Thu, May 8, priced at $364 found 2 days ago
American Airlines
Thu, May 15 - Mon, May 19
SJU
San Juan
YUL
Montreal
$370 Roundtrip, found 8 hours ago
$370
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, May 15 from San Juan to Montreal, returning Mon, May 19, priced at $370 found 8 hours ago
American Airlines
Fri, May 2 - Mon, May 5
SJU
San Juan
YUL
Montreal
$371 Roundtrip, found 4 days ago
$371
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, May 2 from San Juan to Montreal, returning Mon, May 5, priced at $371 found 4 days ago
Delta
Wed, May 7 - Wed, May 14
SJU
San Juan
YUL
Montreal
$386 Roundtrip, just found
$386
Roundtrip
just found
Select Delta flight, departing Wed, May 7 from San Juan to Montreal, returning Wed, May 14, priced at $386 just found
JetBlue Airways
Wed, May 21 - Sun, May 25
SJU
San Juan
YUL
Montreal
$396 Roundtrip, found 5 hours ago
$396
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Wed, May 21 from San Juan to Montreal, returning Sun, May 25, priced at $396 found 5 hours ago
Air Transat
Sun, Dec 21 - Tue, Jan 6
SJU
San Juan
YUL
Montreal
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Select Air Transat flight, departing Sun, Dec 21 from San Juan to Montreal, returning Tue, Jan 6, priced at $413 found 2 days ago
Flights from San Juan (SJU) to Montreal (YUL)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, Air Transat, American Airlines, Delta, United, WestJet
Roundtrip price
$313
Distance
1918 mi

San Juan to Montreal Flights

The cheapest times to fly from San Juan 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 Juan to Montreal are during the month of April. You can find some of the cheapest flights from San Juan to Montreal with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from San Juan 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 Juan 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 Juan to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 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 Juan 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 Juan 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 Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Discover the latest flight deals from SJU 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 SJU to YUL?
The cheapest flights from SJU 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.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
When jetting out of Luis Munoz Marin Intl. Airport (SJU), you can catch a direct flight to Pierre Elliott Trudeau Intl. Airport (YUL) with Air Canada.
What is the cheapest airline that flies from SJU to YUL?
Jet off from SJU to YUL with Air Canada. This airline currently has the cheapest one-way fare on this route, starting at $878. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on April 26 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
On average you can take your pick of 2 direct flights every week from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL). To expand your choices, consider a flight with a layover. Enter your details on Expedia and then filter your search to show one or two stops.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The 2 PM departures from SJU to YUL are typically the busiest. These flights can come with a higher price due to their popularity. If you’re looking to save, pick a less crowded time to fly.
What day of the week has the most flights from SJU to YUL?
Sunday has the most flights from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL). Consider traveling on this day and you’ll have the best chance of finding a schedule that works for you.
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The first flight of the day departing from Luis Munoz Marin Intl. Airport (SJU) is at around 2:35PM UTC-4. Board this plane and you’ll arrive at Pierre Elliott Trudeau Intl. Airport (YUL) at approximately 6:10PM UTC-5. The total flight duration is 4h 35m.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
It usually takes 4 hours and 40 minutes to travel the 1,900 mi from SJU to YUL.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL) route, fly before 3 PM. Later flights are 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.
What airports do you fly into for Montreal from Luis Munoz Marin Intl. Airport (SJU)?
Pierre Elliott Trudeau Intl. Airport (YUL) is the only airport in Montreal with direct flights from Luis Munoz Marin Intl. Airport (SJU). Browse your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Booking your ticket from SJU to YUL shortly before your trip is usually more expensive. However, if you’re flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SJU to YUL flight and hotel package?
Opting for a SJU to YUL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Generally, it’s possible to cancel or reschedule your SJU to YUL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.