$162 Cheap Flights from Montreal (YUL) to San Juan (SJU)

View $162 flight on Sat, Aug 23, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)

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

Prices were available within the past 7 days and start at $162 for one-way flights and $293 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Aug 31 - Wed, Sep 10
YUL
Montreal
SJU
San Juan
$293 Roundtrip, found 3 days ago
$293
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 31 from Montreal to San Juan, returning Wed, Sep 10, priced at $293 found 3 days ago
American Airlines
Tue, Nov 11 - Tue, Nov 25
YUL
Montreal
SJU
San Juan
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 11 from Montreal to San Juan, returning Tue, Nov 25, priced at $295 found 5 days ago
American Airlines
Sat, Oct 25 - Wed, Nov 5
YUL
Montreal
SJU
San Juan
$318 Roundtrip, found 6 days ago
$318
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 25 from Montreal to San Juan, returning Wed, Nov 5, priced at $318 found 6 days ago
American Airlines
Sun, Nov 23 - Tue, Dec 2
YUL
Montreal
SJU
San Juan
$330 Roundtrip, found 10 hours ago
$330
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Nov 23 from Montreal to San Juan, returning Tue, Dec 2, priced at $330 found 10 hours ago
United
Sun, Aug 31 - Fri, Sep 5
YUL
Montreal
SJU
San Juan
$330 Roundtrip, found 3 days ago
$330
Roundtrip
found 3 days ago
Select United flight, departing Sun, Aug 31 from Montreal to San Juan, returning Fri, Sep 5, priced at $330 found 3 days ago
Arajet
Mon, Aug 25 - Wed, Sep 10
YUL
Montreal
SJU
San Juan
$332 Roundtrip, found 6 days ago
$332
Roundtrip
found 6 days ago
Select Arajet flight, departing Mon, Aug 25 from Montreal to San Juan, returning Wed, Sep 10, priced at $332 found 6 days ago
United
Tue, Dec 9 - Tue, Dec 23
YUL
Montreal
SJU
San Juan
$336 Roundtrip, found 5 days ago
$336
Roundtrip
found 5 days ago
Select United flight, departing Tue, Dec 9 from Montreal to San Juan, returning Tue, Dec 23, priced at $336 found 5 days ago
American Airlines
Tue, Aug 26 - Wed, Sep 10
YUL
Montreal
SJU
San Juan
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Aug 26 from Montreal to San Juan, returning Wed, Sep 10, priced at $338 found 6 days ago
Air Canada
Sat, Dec 6 - Tue, Dec 23
YUL
Montreal
SJU
San Juan
$385 Roundtrip, found 5 days ago
$385
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Dec 6 from Montreal to San Juan, returning Tue, Dec 23, priced at $385 found 5 days ago
Delta
Wed, Nov 26 - Wed, Dec 3
YUL
Montreal
SJU
San Juan
$387 Roundtrip, found 10 hours ago
$387
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Nov 26 from Montreal to San Juan, returning Wed, Dec 3, priced at $387 found 10 hours ago

Find the cheapest month to fly from Montreal (YUL) to San Juan (SJU)

May is typically the cheapest month to fly

From $219 - $515 per traveler.

Graph displaying average flight prices per month

Flights from Montreal (YUL) to San Juan (SJU)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
Air Canada, Air Transat, American Airlines, Delta, United, WestJet
Roundtrip price
$293
Distance
1918 mi

Montreal to San Juan Flights

The cheapest times to fly from Montreal to San Juan

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

 

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

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

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 Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 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 Juan 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 Juan 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU) cost?
Discover the latest flight deals from YUL to SJU 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 YUL to SJU?
The cheapest flights from YUL to SJU 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
When departing from Pierre Elliott Trudeau Intl. Airport (YUL), you can jump on a nonstop flight to Luis Munoz Marin Intl. Airport (SJU) with Air Canada.
What is the cheapest airline that flies from YUL to SJU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from YUL to SJU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
On average, you can take your pick of 2 nonstop flights departing from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU) each week. If you can't see one that suits your schedule, think about taking a flight with a layover. Filter your search on Expedia to include one or two stops and opt for the next best alternative.
What are the most popular departure times for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
The 8 AM departures from YUL to SJU are the most sought after. Greater demand means you'll likely pay more for these departures. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from YUL to SJU?
Sunday offers the most flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU). Consider traveling on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
Pierre Elliott Trudeau Intl. Airport (YUL)'s earliest flight to Luis Munoz Marin Intl. Airport (SJU) departs at approximately 8:00AM UTC-5. With a travel time of 4h 30m, you'll arrive at around 1:30PM UTC-4.
How long does it take to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
It takes roughly 4 hours and 32 minutes to fly the 1,900 mi from YUL to SJU.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
To arrive at Luis Munoz Marin Intl. Airport (SJU) without delays, pick a flight that leaves from Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Juan from Pierre Elliott Trudeau Intl. Airport (YUL)?
If you're on a direct flight from Pierre Elliott Trudeau Intl. Airport (YUL) to San Juan, Luis Munoz Marin Intl. Airport (SJU) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Booking your plane ticket from YUL to SJU shortly before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Luis Munoz Marin Intl. Airport (SJU)?
In most instances, you can cancel or modify your YUL to SJU flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, head to our Customer Service portal.

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