£137 Cheap Flights from Montreal (YUL) to San Juan (SJU)

View £137 flight on Wed, 23 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £137 for one-way flights and £311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, 28 Nov - Mon, 7 Dec
YUL
Montreal
SJU
San Juan
£311 Return, found 2 days ago
£311
Return
found 2 days ago
Select Air Canada flight, departing Sat, 28 Nov from Montreal to San Juan, returning Mon, 7 Dec, priced at £311 found 2 days ago
Air Canada
Sat, 26 Sept - Sat, 3 Oct
YUL
Montreal
SJU
San Juan
£315 Return, found 3 days ago
£315
Return
found 3 days ago
Select Air Canada flight, departing Sat, 26 Sept from Montreal to San Juan, returning Sat, 3 Oct, priced at £315 found 3 days ago
Air Canada
Sat, 26 Sept - Sat, 3 Oct
YUL
Montreal
SJU
San Juan
£321 Return, found 3 days ago
£321
Return
found 3 days ago
Select Air Canada flight, departing Sat, 26 Sept from Montreal to San Juan, returning Sat, 3 Oct, priced at £321 found 3 days ago
Arajet
Fri, 12 Jun - Sun, 21 Jun
YUL
Montreal
SJU
San Juan
£323 Return, found 4 days ago
£323
Return
found 4 days ago
Select Arajet flight, departing Fri, 12 Jun from Montreal to San Juan, returning Sun, 21 Jun, priced at £323 found 4 days ago
Air Canada
Fri, 13 Nov - Fri, 20 Nov
YUL
Montreal
SJU
San Juan
£327 Return, found 5 days ago
£327
Return
found 5 days ago
Select Air Canada flight, departing Fri, 13 Nov from Montreal to San Juan, returning Fri, 20 Nov, priced at £327 found 5 days ago
Air Canada
Fri, 13 Nov - Fri, 20 Nov
YUL
Montreal
SJU
San Juan
£347 Return, found 5 days ago
£347
Return
found 5 days ago
Select Air Canada flight, departing Fri, 13 Nov from Montreal to San Juan, returning Fri, 20 Nov, priced at £347 found 5 days ago
Air Canada
Sun, 15 Nov - Sun, 22 Nov
YUL
Montreal
SJU
San Juan
£356 Return, found 5 days ago
£356
Return
found 5 days ago
Select Air Canada flight, departing Sun, 15 Nov from Montreal to San Juan, returning Sun, 22 Nov, priced at £356 found 5 days ago
Air Canada
Sat, 28 Nov - Mon, 7 Dec
YUL
Montreal
SJU
San Juan
£386 Return, found 2 days ago
£386
Return
found 2 days ago
Select Air Canada flight, departing Sat, 28 Nov from Montreal to San Juan, returning Mon, 7 Dec, priced at £386 found 2 days ago
WestJet
Sat, 14 Nov - Sat, 21 Nov
YUL
Montreal
SJU
San Juan
£435 Return, found 5 days ago
£435
Return
found 5 days ago
Select WestJet flight, departing Sat, 14 Nov from Montreal to San Juan, returning Sat, 21 Nov, priced at £435 found 5 days ago
Porter Airlines
Sat, 14 Nov - Sat, 21 Nov
YUL
Montreal
SJU
San Juan
£464 Return, found 5 days ago
£464
Return
found 5 days ago
Select Porter Airlines flight, departing Sat, 14 Nov from Montreal to San Juan, returning Sat, 21 Nov, priced at £464 found 5 days ago

Frequently asked questions

How much does a flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) cost?
One-way flights typically cost between $632 and $2,668 and return flights often range between $1,429 and $7,987. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
May is typically the cheapest month to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.), with average round-trip fares around 1202 CAD. This is about 17% lower than the average price throughout the year. May often sees lower prices as it's just before the peak summer travel season, meaning less demand and better deals. Other cheap months to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) include April and November.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
To find a cheap flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
The best airline to fly with from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) will differ from traveler to traveler. If you like to fly early, AC offers early morning flights. If price is the most important factor, TS typically offers the lowest fares. AC offers the most daily flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
When looking for the best time to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.), it's a balance between price and popularity. Based on booking data from the past year, you'll find the cheapest flights in May and April, with average prices around 1202 CAD for a round-trip. However, the most popular months for this route are January and February, which means plenty of flight options but potentially higher prices. If you're prioritizing savings, aim for spring, but if you want the most choice, early winter is when most people travel.*Prices based on flights available on Expedia in the last year.
How many flights per day from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
There are approximately 48 connecting flights per day from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.). Some common connection points include Pearson Intl. (YYZ), Philadelphia Intl. (PHL), and Billy Bishop Toronto City (YTZ).
What is the earliest flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
The earliest flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) typically departs at approximately 5:00 AM local time, operated by Air Canada. This is a seasonal service active in January, February, April, November, and December. An early departure like this can help maximize 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
You'll find the most flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) on a Thursday, with around 41 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Air Canada, United Airlines, and American Airlines. Thursdays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
The most popular departure times for flights from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) are in the early morning, from 6am to 9am. This accounts for around 50% of total traffic. Many major carriers, including American Airlines, United Airlines and Air Transat, offer flights during this window. Many travelers prefer these times as they allow for an early arrival at your destination, giving you more time to enjoy your trip.
How long does it take to fly from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
A nonstop flight from YUL to SJU typically takes around 4 hours 30 minutes, covering approximately 1,919 miles. Connecting flights on this route usually add 6 hours to your travel time. 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
Select the "Business class" and "First class" filters when looking for YUL to SJU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
A non-stop, one-way business class flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) is usually around 2,404 CAD - 2,930 CAD. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight with Expedia?
It's easy to earn miles on a Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin 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 San Juan from Pierre Elliott Trudeau Intl. (YUL)?
From Pierre Elliott Trudeau Intl. (YUL), you can fly into Luis Munoz Marin Intl. (SJU) to reach San Juan. Some flights may connect through major hubs like Pearson Intl. (YYZ), Orlando Intl. (MCO), Billy Bishop Toronto City (YTZ) before reaching San Juan. 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) at the last minute?
Typically, booking a last minute flight from Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package?
Securing a Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin 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 Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
If you booked your Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) to San Juan (SJU-Luis Munoz Marin 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
Pierre Elliott Trudeau Intl.
Destination airport
Luis Munoz Marin Intl.
Return price
£310
Distance
3070 km

Book with confidence

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

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

The easiest way to view the best deals on flights from Montreal to San Juan 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 Pierre Elliott Trudeau Intl. to Luis Munoz Marin Intl. start at just £311 and range up to £464.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Pierre Elliott Trudeau Intl. to Luis Munoz Marin 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 Montreal to San Juan easily and book with confidence

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*Available to Expedia members.